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Modules

CLIL: Science 5 7

Project Do an experiment!
U s e t h e w o r k s h ee t b e l o w .
Use the worksheet below.
SCIENCE EXPERIMENT WORKSHEET

QUESTION
How fast do di ferent materials biodegrade

4 COMPOSTING ITEMS:
a piece of
MATERIALS newspaper a plastic cup
You will need: soil
scissors
a large glass jar water scissors a banana a cardboard
with a lid skin box
METHOD

STEP 1 STEP 2 STEP 3 STEP 4 STEP 5
2
Put your Using the Leave the jar Stop to think: Check your compost
composting scissors, near a window What do you jar once a week
items (or make a and, every now think will (for ive weeks) to
pieces of hole in the and then, add happen? Which see whether any
them) in the lid. Then more water and items will of the items have
shake the jar
put the lid on
glass jar. Fill the © MM Publications changed. Go to the
biodegrade
jar with soil. Make the jar. Pour a gently. . irst and which Observation box.
gently
sure you can still small amount of ones last? Go to
see all the items water through the Hypothesis STEP 6
from the outside. the hole. box. What did you
learn from this
experiment? Go to
HYPOTHESIS the Conclusion box.

What do you think will happen? Which items will biodegrade irst
and which ones last? Complete the hypothesis.
I think that the will biodegrade irst, the
second, the third and the last.

OBSERVATION
What did you see? When you check your compost jar, make a note of any changes you see. Do the
items change colour or shape? Do you see anything else interesting? Complete the table.
Date started
Item 1 week 2 weeks 3 weeks 4 weeks 5 weeks
1.
2.
3.
4.

CONCLUSION

What did you learn from this experiment?
I learnt that
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