Explaining Primary Science: A Guide to Theory and Practice
Second Edition
Small ball bearing from different heights
In this experiment you will see a small ball dropping in the sand from different heights. The equipment you will need for this experiment includes:
- Bowl with sand
- Ruler
- Small metal ball
- A stopwatch
Method:
- Drop the ball in the sand from 25cm height and record the time it takes to fall
- Once it drops, remove the ball and smooth down the sand
- Change height to 50cm and drop the ball in the sand and record the time it takes to fall
- Once it drops, remove the ball and smooth down the sand
- Change height to 75cm and drop the ball in the sand and record the time it takes to fall
- Once it drops, remove the ball and smooth down the sand
- Change height to 100cm and drop the ball in the sand and record the time it takes to fall
- Once it drops, remove ball and smooth down the sand