1. Why is it hard work to
walk through water?

2. Why are fish
the shape
they are?

3. Why are boats
and ships the
shape they
are?

4. The boat is
moving forwards
in this direction.
The man is
pulling the oar
to push the boat
forwards.
The water feels as if
it is pushing you
back. This is water
resistance.

5. What would happen if I dropped a ball of
Blu-tac into these three containers?
Empty Water Wallpaper Paste

6. Container of water
Blu-tac or plasticine
Clock or timer
I want to create a fair test
using this equipment to
find out if the shape of
the blu-tac makes a
difference to the speed at
which it falls through the
water.

7. What we are going to measure:
What we are going to keep the same:
What we are going to change:
What we are going to find out: