Take 2 cans of coke (diet and normal) or ask your teacher
for it. Don’t drink them! Leave them closed.
Take two buckets of water or fill the sink with water. Put
both cans in the water.
What happens? Why does it happen like that? Write it all down
in the Forum and discuss the things you’ve seen.
Float or sink
You’ve already predicted what happens with different
objects. Now try it in real life.
Use these objects:
Bar of soap
Put every object in the sink or in a bucket with water and
discover it sinking or floating.
Write down in the Forum what
happens with the objects. Why does it happen?
Discuss with your fellow in the Forum about when object sink
and when they float
Try to make a rule for objects to predict when it sinks or
float. Write it in the Forum in
a topic with the name “our
rule” with your names.