The National Student Research Center

E-Journal of Student Research: Science

Volume 5, Number 1, November, 1996


The National Student Research Center is dedicated to promoting student research and the use of the scientific method in all subject areas across the curriculum, especially science and math.

For more information contact:

John I. Swang, Ph.D.
Founder/Director
National Student Research Center
2024 Livingston Street
Mandeville, Louisiana 70448
U.S.A.
E-Mail: nsrcmms@communique.net
http://youth.net/nsrc/nsrc.html


TABLE OF CONTENTS


  1. Dark & Light Plant Experiment
  2. Effect Of Gender On The Amount Of Time It Takes A Gerbil To Get Through A Maze
  3. What Color Of Light Makes Plants Grow Taller?
  4. Tasting The Difference Between Regular and Fat Free Foods
  5. Growth of Carrot Tops
  6. The Effect of High Protein Food on the Weight of Mice
  7. The Effect Of Numerous Variables On The Growth Of Plants
  8. The Effects of Chemicals in Shampoos on Human Hair
  9. Which Concentration Of BioSolve Is Most Effective?
  10. The Effect of Music on How People Respond to Math Problems
  11. The Effect of Different Soil Types on Where Night Crawlers Will Choose To Live


TITLE:  Dark & Light Plant Experiment

STUDENT RESEARCHERS:  Amanda Betts, Matt Armstrong, Stevie 
Downey. Arthur Hockenberry, Nyera Smith, Abby Cole, Carl Lupo, 
Natasia Richardson, April Bradford, Elizabeth Ginzery

SCHOOL:  Enfield Elementary School
         20 Enfield Main Road
         Ithaca, N.Y.  14850
         ( e-mail: afox@lakenet.org )
GRADE:  2
TEACHERS:  Mrs. Leahy & Mrs. Sweet


I.  STATEMENT OF PURPOSE AND HYPOTHESIS:

We wanted to find out how plants grow with different amounts of 
light.  We thought that a plant that did not get light would 
die.

II.  METHODOLOGY:

We put one plant in the light and one in the dark.

III.  ANALYSIS OF DATA:

We looked at the plants every day to see how they were doing.

IV.  SUMMARY AND CONCLUSION:

Every day the plants in the sun grew a little and the plant in 
the dark died a little.  We decided that plants grow better in 
the sun than they do in the dark.

V.  APPLICATION:

If everybody put their plants in the dark we wouldn't have any 
vegetables or fruit to eat.  This could help make our gardens 
better.  To make your plants grow even better you could give 
them light at night.



TITLE:  The Effect Of Gender On The Amount Of Time It Takes A
        Gerbil To Get Through A Maze.

STUDENT RESEARCHERS:  Chris Frey and Mike Norwood
SCHOOL ADDRESS:  Great Falls Middle School
                 Montague, MA  01351
                 (jkenney@k12s.phast.umass.edu)
GRADE:    7
TEACHER:  Mr. Kenney


I.  STATEMENT OF PURPOSE AND HYPOTHESIS

We wanted to do a research project to see if the gender of the 
gerbil had an effect on how long it would take to go through a 
maze.  Our hypothesis stated that the female gerbils would take 
the least amount of time to get through the maze.

II.  METHODOLOGY

First, we wrote a statement of purpose, reviewed the 
literature, and developed our hypothesis.  Then we made a data 
collection sheet and a list of materials.  Next, we made a maze 
(35" x 47").  We then put some food in a few places to make a 
trap.  Then we put one of the gerbils in the maze and let it 
try to get to the end.  (We made sure that we timed how long it 
took the gerbil to get to there.)  We recorded in our data 
table the amount of time it took the gerbil to get to the 
finish.  Then we wrote our analysis of the data, summary, and 
conclusion and applied our findings to the real world.

III.  ANALYSIS OF DATA

We found that female gerbil #1 had taken an average time of 5 
minutes 12 seconds to get through the maze, while female gerbil 
#2 had taken an average time of 6 minutes 11 seconds to get 
through the maze.  Male gerbil #1 had taken an average time of 
8 minutes 8 seconds to get through the maze and male gerbil #2 
had an average time of 9 minutes 48 seconds to get through the 
maze.

V. SUMMARY AND CONCLUSION

In our study, we found out that the two female gerbils took the 
least amount of time to get through the maze and the two male 
gerbils took the most time to get through the maze.  Therefore, 
we accept our hypothesis which stated the female gerbils would 
take the least amount of time to get through the maze, and the 
male gerbils would take the most time to get through the maze. 

V. APPLICATION

Now that we know female gerbils are a little smarter than 
males, based on the investigation, we know not to buy male 
gerbils.



TITLE:  What Color Of Light Makes Plants Grow Taller?   

STUDENT RESEARCHER:  Evan Rinehart
SCHOOL:  Mandeville Middle School
         Mandeville, Louisiana
GRADE:  6
TEACHER:  John I. Swang, Ph.D.


I.  STATEMENT OF PURPOSE AND HYPOTHESIS:

I want to find out what color of light will make a plant grow 
taller.  My hypothesis states that the plants growing in full 
spectrum (clear) light will grow taller than the plants growing 
in red and violet light.

II.  METHODOLOGY:

First, I wrote a statement of purpose.  Second, I conducted my 
review of the literature on the electromagnetic spectrum, 
photon, wavelength, and photosynthesis.  Then I developed a 
hypothesis.  After that, I wrote my methodology to test the 
hypothesis.  Then I conducted my experiment.  I took three 
boxes of the same size.  I put duct tape on any holes in the 
boxes to make sure that normal lighting did not enter the box.  
The top of the boxes were open.  On the control box, I covered 
the top with clear plastic wrap.  On the first experimental 
box, I covered the top with red plastic wrap.  On the second 
experimental box, I covered the top with violet plastic wrap.  
Then I planted the same amount of rye grass seeds in each of 
three identical pots which contained the same amount of soil.  
Then I put the pots in each box and put the different colored 
plastic wrap over each box.  I fastened the wrap with rubber 
bands.  Each pot received the same amount of light.  Each day I 
watered the plants with the same amount of water by momentarily 
taking the plastic wrap off for not more than 10 seconds.  Then 
I recorded the height of the plants for two weeks.

III.  ANALYSIS OF DATA:

In my experiment, the red and violet light made the plants grow 
taller than the plants in the clear light.  In the beginning, 
the plants in the clear light looked like they were going to 
grow the tallest.  By the ninth day of the experiment, the 
experimental plants in the red and violet light were taller 
than the control plants in the clear light.  At the end of the 
study, the control plants were an average of 17.5 cm tall.  The 
plants growing in red light were an average of 20 cm tall.  The 
plants growing in the violet light were an average of 19 cm 
tall.

IV.  SUMMARY AND CONCLUSION:

My conclusion is that the red and violet light made the plants 
grow taller.    Therefore, I reject my hypothesis which stated 
that the plants growing in full spectrum (clear) light will 
grow taller than the plants growing in red and violet light.  

V.  APPLICATION:

This information can be used to make plants grow taller.  If 
somebody has a plant store and needs plants to grow taller, 
they can use red or violet colored light bulbs.



TITLE:  Tasting The Difference Between Regular and Fat Free
        Foods

STUDENT RESEARCHER:  Jamie Ritzcovan 
SCHOOL ADDRESS:  Fox Lane Middle School
                 Bedford, New York 10506
GRADE:  8th
TEACHER:  Mrs.  Russo


I.  STATEMENT OF PURPOSE AND HYPOTHESIS:

I wanted to know if people could really taste the difference 
between fat free and regular foods.  Some foods are made with 
no fat in them and others are made with fat.  If they are the 
same food, can people tell the difference?  If there is no 
difference in taste, why not eat the fat free foods instead.  
My first hypothesis stated that more than half of the people 
will not be able to taste the difference between the fat free 
mayonnaise and regular mayonnaise.  My second hypothesis stated 
the majority of people will not be able to taste the difference 
between fat free brownies and regular brownies.  My third 
hypothesis stated that more than half of the people will not be 
able to taste the difference between the fat free ice cream and 
the regular ice cream.

II.  METHODOLOGY:

First, I wrote a proposal, made a graph and chart, and stated 
my problem to my teacher.  After she checked it, I was ready to 
start.  The night before I was going to test, I bought fat free 
and regular mayonnaise, fat free and regular ice cream, and 
made fat free and regular brownies.  I tested twenty people, 
and fed them one sample of each food.  They told me which one 
they thought had fat and I recorded the data on my data chart.  
After I tested all twenty people, I recorded my information on 
a graph.  Lastly, I checked my hypothesis with the actual data.

III.  ANALYSIS OF DATA:

More than half of the people did know the difference between 
the fat free and regular brownies, ice cream, and mayonnaise.  
Seventeen of the twenty people knew the difference between the 
fat free and regular brownies.  Twelve of the twenty people 
knew the difference between the fat free and regular ice cream.  
Thirteen of the twenty people knew the difference between the 
fat free and regular mayonnaise.

IV.  SUMMARY AND CONCLUSION:

I fed twenty people each the same amount of regular and fat 
free food.  The majority of the people I tested could tell the 
difference between the regular and fat free foods.  Therefore, 
I reject all three of my hypotheses.  

V.  APPLICATION:

I was not able to taste the difference between the fat free and 
regular foods, even though the majority of the people in my 
study could.  So now when my mom goes food shopping I will tell 
her to buy the fat free foods.  Personally, I don't think there 
is a big taste difference between fat free and regular foods.  
So I think everyone should be buying fat free foods instead of 
foods full of fat.  People should do this because they have to 
watch their weight and stay healthy.  It is very important to 
have a good nutrition to maintain your health.



TITLE:  Growth of Carrot Tops

STUDENT RESEARCHER:  Jaclyn Maggio and Karen Hirshbien
SCHOOL ADDRESS:  Bedford Central School
                 Bedford, NY   10506
GRADE:  7
TEACHER:  Ms.  Russo


I.  STATEMENT OF PURPOSE AND HYPOTHESIS:

We wanted to find out more about what substances carrot tops 
would grow better in: soil, sand, gravel, or water.  Our 
hypothesis stated that the carrot tops would grow better in 
soil because it has more minerals and nutrients.

II.  METHODOLOGY:

We conducted this experiment with 50 ml of each substance, a 
syringe, sunlight, and mini plastic cups.  First, we planted 40 
carrot tops, 10 in each substance and watered them every three 
days with 5 cc of water.  We added 3 cc of water to the group 
growing in water because we wanted to control how far the 
carrot top was under the water  Then we measured the growth of 
the roots everyday.

III.  ANALYSIS OF DATA:

Our data indicated that the carrot tops in the water had the 
best results out of the four substances.  Ten out of 10 carrot 
tops grew in the water and the tallest one was 13.2 cm.  Seven 
out of 10 carrot tops grew in the gravel and the tallest one 
was 12.7 cm.  Nine out of 10 grew in the sand and the tallest 
one was 9.5 cm.  Ten out of 10 grew in the soil and the tallest 
one was l2.7 cm.

IV.  SUMMARY AND CONCLUSION:

In conclusion, we discovered that water was the best medium for 
growing carrot tops.  We rejected our hypothesis which stated 
that the soil would be the best environment for growing the 
carrot tops.  One short comings in this study was that when we 
put the carrot tops out in front of the window there wasn't 
that much sunlight, even though they all had an equal amount of 
sunlight, which may have stunted the growth of some of the 
carrot tops.

V.  APPLICATION:

We could apply our findings to everyday life by making an 
assumption that some plants might grow better or faster if they 
started growing in water first and were then transplanted to 
soil.  This would be a good topic for a future research 
project.



TITLE:  The Effect of High Protein Food on the Weight of Mice

STUDENT RESEARCHERS:  Eugene Kornel and Matt Fallon 
SCHOOL ADDRESS:  Fox Lane Middle School
                 Bedford, NY 10506
GRADE:  6
TEACHER:  Ms.  Russo

I.   STATEMENT OF PURPOSE AND HYPOTHESIS:

We wanted to find out what effect high protein mouse food would 
have on a mouse's weight.  Our hypothesis was that the mice 
with the high protein food and exercise would weigh the most.  
The reason for this hypothesis was simple.  We know that when 
you exercise, you lose fat, but you gain muscle.  Muscle weighs 
more that fat, so that is the reason for our hypothesis.

II.   METHODOLOGY:

We bought 6 mice.  We divided them into 3 groups, each 
containing 2 mice.  Two of the mice got regular mouse food, the 
control mice.  Two mice got high protein food.  Two got high 
protein food and exercise.  Each mouse was fed once a day.  
They got exactly 50 grams of food.  They got the same amount of 
water and were located in the same room.  The exercise mice got 
a little exercise wheel.  We weighed the mice at about 6 p.m. 
every night.  We weighed them by putting them in a cage and 
recording the weight.  Then I subtracted the 46 grams that the 
cage weighed.  I did the same thing with the food.  Last, we 
would go to our computers and insert the data.

III.   ANALYSIS OF DATA:

At the end of the experiment we found that the mouse that 
weighed the most out of all was the high protein, exercise 
mouse.  We thought this meant that our hypothesis was accepted.  
Then we saw something that we had not realized before.  It was 
that the high protein exercise mouse started out weighing the 
most.  The ones that gained the most weight were the control 
mice, which went from 12 grams to 25 grams.  The high protein 
exercise mouse, started at 24 grams and ended at 28.  So, the 
hypothesis was not accepted.

IV.   SUMMARY AND CONCLUSION:

We found out that the ones that gained the most weight were the 
control mice.  The others tied, because there was one mouse 
from each of the other two groups that gained the same amount.

There were a few minor shortcomings to this project and there 
was one major one.  The major one was that one of our cats ate 
4 mice.  Two of them he ate on the 14th day of the experiment, 
and 2 of them he ate on the 16th day of the experiment.  
Another problem that occurred was that we did not have a large 
enough sample size.  We would have needed more in a group to 
have been able to really understand the experiment.  We might 
do it over, because we put so much hard work into it.

V.   APPLICATION:

There is only one way to really apply this to modern life.  If 
you want to go onto a diet, you would want to eat high protein 
food and exercise as much as you can.



TITLE:  The Effect Of Numerous Variables On The Growth Of
        Plants

STUDENT RESEARCHERS:  Shaun Jurgens and Logan Middleton
SCHOOL ADDRESS:  Fox Lane Middle School
                 Bedford, New York
GRADE: 7
TEACHERS: Ms.  Russo


I.  STATEMENT OF PURPOSE AND HYPOTHESIS:

We wanted to know more about the effects of different liquids 
on plant growth.  We also wanted to know how northern and 
southern exposure affected plant growth.  We were also 
interested in how the temperature of soil affected plant 
growth.  Finally, we wanted to find out what effect different 
types of soil had on the growth of plants.  

We were curious if seltzer or Pepsi would make the plants grow 
faster.  Our hypothesis was that Pepsi would not help the 
growth but seltzer would.  For the experiment on northern and 
southern exposure, we predicted that the plant in southern 
exposure would grow better.  For the warmth of soil experiment, 
we predicted that black plastic would have the greatest warming 
effect on soil and that the clear plastic would be second best.  
On the last experiment which dealt with plants growing in sand 
or soil, we predicted that the soil would have a positive 
effect on the growth and that the sand would have a negative 
effect.

II.   METHODOLOGY:

First we wrote our proposal.  Second we planted the seeds 
(spinach and snap peas).  Then every day for three weeks and 
two days we collected data and recorded the plant heights on 
our data sheets.  Then we graphed our data that we had 
collected.

For the experiment which consisted of testing the effect of 
different liquids on plant growth, we experimented with 
spinach.  We gave one of the spinach plants seltzer, one Pepsi, 
and the other water.  For the northern and southern exposure 
experiment, we put one snap pea plant in southern exposure and 
the other snap pea plant in northern exposure.  For the warmth 
of soil experiment, we grew one snap pea plant and one spinach 
plant under clear plastic, one snap pea plant and one spinach 
plant under black plastic under, and one snap pea plant and one 
spinach plant without a plastic cover.  And for the richness of 
soil experiment we put snap peas in sand and rich soil and we 
put spinach in sand and rich soil.

III.   ANALYSIS OF DATA:

For the experiment with different liquids and their effect on 
plant growth, the spinach given seltzer grew 10 cm, the spinach 
given water grew 9 cm, and the spinach given Pepsi grew 0 cm.  
For the northern and southern exposure experiment, the final 
height of the snap peas that were given northern exposure was 
10.5 cm.  The final height of the snap peas placed in southern 
exposure was 11 cm.  For the warmth of soil experiment, the 
snap peas which were grown under clear plastic grew 7.9 cm, the 
snap peas grown under black plastic were 10.2 cm and for the 
snap peas in the regular soil the final height was 7 cm.  The 
spinach under clear plastic grew to be 6.6 cm, the spinach 
under black plastic had a final height of 2.6 cm and the final 
height of spinach grown in regular soil was 4.3 cm.  The last 
experiment on the richness of soil had interesting results.  
The final height of snap peas in sand was 7 cm and for snap 
peas in soil was 7 cm.  The final height of spinach in sand was 
4.7 cm and for spinach in soil was 4.3 cm.

IV.   SUMMARY AND CONCLUSION:

Our hypothesis in the experiment with different liquids was 
accepted because we were expecting the seltzer and water to 
have good results and the Pepsi to be horrible.  Something went 
wrong for the spinach under the black plastic.  Besides the 
mistake with the spinach under black plastic our predictions 
were very accurate with the temperature of soil experiment.  we 
was shocked to see that the spinach in sand actually grew 
taller than the spinach in soil and that the snap peas were 
dead even for height.  We were extremely off in our prediction 
that the rich soil would have a much better effect on the 
growth.  Our prediction was right for the northern and southern 
exposure experiment.

V.   APPLICATION:

In the experiment in which we tested different liquid's effects 
on plant growth, we learned that seltzer is the best liquid 
when growing spinach.  We were shocked when we found out this 
information.  We also learned that Pepsi is not a good liquid 
to give plants for growth because it kills the plants.  Another 
key fact we learned is that southern exposure is helpful when 
growing plants because southern exposure provides the most 
sunlight.  In the experiment with the warmth of soil we learned 
that black plastic helps the growth of plants because it keeps 
the soil warm and the moisture is retained.   However, make 
sure that the black plastic is not fully covering the pot so 
the plant gets sunlight.



TITLE:   The Effects of Chemicals in Shampoos on Human Hair

STUDENT RESEARCHERS:   Lauren Miller and Lesley Darbonne
SCHOOL ADDRESS:   Academy of the Sacred Heart
                  Grand Coteau, Louisiana
                  (castille@ash10.net-connect.net)
GRADE:   10
TEACHER:   Anne Castille


I.   STATEMENT OF PURPOSE AND HYPOTHESIS:

The purpose of this study is to learn the effects of chemicals 
in shampoos on the hair and to discover which brand of shampoo 
is actually better for a "normal" hair type.  The hypothesis is 
that there really is no difference in the effects of varying 
brands of shampoos on normal hair.

II.   METHODOLOGY:

A sample of freshly cut human hair was divided into five 
separate locks and banded together.  They were then labeled A 
through E and designated: A - water, B - Head & Shoulders, C - 
Pert Plus, D - Pantene Pro-V, E - Biolage.  A preliminary 
observation was made of the hair under the micro-scope before 
actually washing it.  Then each sample was washed with its 
designated shampoo, with the exception of the control, sample 
A, which was washed with water.  Each sample was wet, lathered, 
rinsed, and then allowed to "air dry."  Observations were then 
made on each sample by the eye and the microscope.

III.   ANALYSIS OF DATA:

The hair under the microscope before washing appeared very 
healthy.  The vertical edges were black, the inner color was 
light brown, and there were thin gray lines throughout.  After 
washing, sample A (water) was not tangled, was straight, and 
felt dry.  Under the microscope, it had more gray lines and the 
center was darker.  Sample B (Head & Shoulders) was very 
tangled, felt brittle, and the microscope showed it to have 
dark brown in the center.  Sample C (Pert Plus) was somewhat 
tangled, not as severe as B, and under the microscope there was 
no center line and it was lighter in color.  Sample D (Pantene 
Pro-V) was not tangled at all, and was much darker under the 
microscope.  Sample E (Biolage) was the best conditioned, and 
was barely brown with a thick outer line under the microscope, 
most like the original healthy hair sample.

IV.   SUMMARY AND CONCLUSION:

All of the samples were cleaned and rinsed to the same degree.  
Yet, the extra ingredients in each shampoo left obvious 
differences to the hair as seen by the naked eye and under the 
microscope.  Each sample was clearly different, and could 
easily be distinguished from the others.  No two samples had 
the same results.  The hypothesis was rejected.

V.   APPLICATION:

This experiment helps one to become a more educated consumer 
and learn which products are actually effective.  One can take 
these results and use them to purchase the best and most 
effective shampoo - Biolage - or a shampoo with similar 
ingredients.



TITLE:  Which Concentration Of BioSolve Is Most Effective?

STUDENT RESEARCHER:  Olivia LeDee and Kara Spatz
SCHOOL ADDRESS:  Academy of the Sacred Heart
                 Grand Coteau,  Louisiana,
                 (castille@ash10.net-connect.net)
GRADE:  10 and 11
TEACHER:  Anne Castille

I. STATEMENT OF PURPOSE AND HYPOTHESIS:

The following experiment involves the use of BioSolve, an 
inoculate bacteria, and its effect on different types of oil.  
BioSolve is a water-based biodegradable concentrate related to 
Lactobacillus Salivarius.  Because BioSolve aids biological 
degradation and renders hydrocarbons inflammable, it is used as 
a clean-up agent.  Our hypothesis is that the greater the 
concentration of BioSolve, the more effectively the BioSolve 
will act on five types of oil by reducing odor, pH, and 
flammability.  The purpose of this experiment is to determine 
which concentration of BioSolve is most effective in reducing 
these factors.

II. METHODOLOGY:

Five series of six cups were filled with 10 ml of different 
types of oil including: sewing oil, 5W-30 motor oil, 10W-40 
motor oil, vegetable oil, and mineral oil.  The ratios of the 
concentration of water to BioSolve were 4 ml to 1 ml, 3.75 ml 
to 1.25 ml, 3.3 ml to 1.6 ml, 2.5 ml to 2.5 ml, and 0 ml to 5  
ml.  After allowing the samples of oil mixed with the differing 
concentrations of BioSolve to stand in a controlled environment 
for a period of eight days, the pH, flammability, and odor were 
tested and the results were recorded.

III. ANALYSIS OF DATA:

The pH of all the oils increased at least three levels from a 
control of six to, at the highest concentration of BioSolve, a 
pH of nine.  The odor became more pleasant as the concentration 
of BioSolve increased.  The flammability decreased for each oil 
as the concentration increased.  At the highest concentration 
of BioSolve, flammability was nonexistent.

IV. SUMMARY AND CONCLUSION:

Our hypothesis proved to be correct in the areas of odor and 
flammability. Both experienced greater reduction as the 
concentration of BioSolve increased. Our hypothesis proved to 
be wrong in the area of pH.  The pH increased as the 
concentration of BioSolve increased.

V. APPLICATION:

BioSolve is very beneficial for use in extinguishing fires and 
preventing oil spill fires.  BioSolve is also beneficial in 
reducing sewage odor and in clarifying grease traps.  BioSolve 
is a very safe agent which can be beneficial to humans and the 
environment.  The only threat which BioSolve poses to humans is 
the high pH it creates in some concentrations.
 


TITLE:  The Effect of Music on How People Respond to Math
        Problems

STUDENT RESEARCHER(S):  Susan Fama, Jenni Golembeski, Jillian
                        Arsenault
SCHOOL ADDRESS:  Great Falls Middle School
                 Montague, MA  01351
                 (jkenney@k12s.phast.umass.edu)
GRADE:  7th
TEACHER:  Mr.  Kenney


I.  STATEMENT OF PURPOSE AND HYPOTHESIS:

We wanted to do a research project to see if kids worked better 
on math problems with or without music.  Our hypothesis was 
that the students would work better with music. 
           
II. METHODOLOGY:

First, we gathered up all of the items we needed: math paper, a 
CD, 40 students, CD player, pencils, paper, and the survey for 
the teacher.  Next, we gave the survey to the teacher to be 
filled out after class started.  We then had students in the 
first class fill out the worksheet without music.  When that 
class was over, we collected all of the papers that the 
students had done.  Finally, we did everything the same with 
the next class except we put on music for them to listen to 
while working. 

III.   ANALYSIS OF DATA:

We found that the students that had music did better on their 
paper.  

IV.  SUMMARY AND CONCLUSION:

In our study, we found that it is easier to complete our math 
homework and get a better grade, while listening to music.

V.  APPLICATION:

Now we know to listen to music with our math homework so we 
will get a better grade in math.



TITLE:  The Effect of Different Soil Types on Where Night
        Crawlers Will Choose To Live

STUDENT RESEARCHER:  Stephanie Pollen
SCHOOL ADDRESS:  Great Falls Middle School
                 Montague, MA  01351
                 (jkenney@k12s.phast.umass.edu)
GRADE:  7
TEACHER: Mr. Kenney


I.  STATEMENT OF PURPOSE AND HYPOTHESIS:

The topic of my investigation was night crawlers.  I wanted to 
find out if different kinds of soils had an effect on where 
they choose to live.  My hypothesis stated that the night 
crawlers would choose to live in the loam. They had a choice 
between sand and loam. 

II.  METHODOLOGY:

First, I gathered the following materials: one ten gallon 
aquarium, one forty pound bag of loam, one fifty pound bag of 
sand, Martison coffee grounds, and thirty-two living night 
crawlers.  The second thing I did was I dumped some loam on one 
half of the aquarium.  The third thing I did was I dumped some 
sand on the other half of the aquarium.  I then spread the 
thirty-two night crawlers along the center of the two soils.  
The fifth step was to sprinkle 1/2 cup of coffee grounds and 
1/2 cup of water across the top of the two soils.  Every other 
day, late in the afternoon, I found the night crawlers, and 
record what soil they were in.  I gathered data for six days 
(every other day).  After 6 days of recording where the night 
crawlers were, I averaged the numbers for each type of soil. 

III.  ANALYSIS OF DATA:

I found that when I did my first trials with the night 
crawlers, and average of twenty-six of them went to the loam 
and only six went to the sand.  After the first four trials, 
more and more night crawlers moved to the sand.  At the end, an 
average of twenty-four were in the loam and eight were in the 
sand. so My hypothesis was supported by the data. 

IV.  SUMMARY AND CONCLUSION:

I found that at the end of my investigation, an average of 
twenty- four night crawlers were in the loam, and only eight in 
the sand.

V.  APPLICATION:

Now I know, because of my study, that if I wanted to go 
fishing, or start a night crawler farm, I could just find a 
place to dig in where there is soft loam and no sand.  This 
information could be helpful to other people, because if they 
needed night crawlers for fishing or something, they would know 
where to find them.

© 1996 John I. Swang, Ph.D.