Forces, motion and magnets
Answers are for parents and teachers.
1
Write two pushes and two pulls that you see at home.
Answers differ. For example: push a door, push a swing; pull a drawer, pull a curtain.
2
A ball flies to the right and hits a wall. What happens to its motion?
The wall pushes the ball, so it changes direction and goes back to the left, or it stops.
3
A pendulum with a 60 cm string swings 9 times in 15 seconds. With a 15 cm string it swings 18 times. How many more swings is that?
18 − 9 = 9 more swings.
4
With a grown-up, test four things at home with a magnet. Write which ones were attracted.
Answers differ. Things made of iron or steel are attracted.
5
Why must magnets be kept away from phones and bank cards?
A magnet can damage them.