A force is a push or a pull. Forces make things start moving, stop, speed up, slow down or change direction. Magnets are special because they can pull some metals without touching them.
Apa yang akan dipelajari anak anda
- Describe forces as pushes and pulls
- Explain how friction slows things down
- Know which materials are magnetic
- Know that like poles repel and opposite poles attract
Attract and repel
Every magnet has a north pole and a south pole. Opposite poles (north and south) attract — they pull together. Like poles (north and north) repel — they push apart. Magnets attract iron and steel, but not all metals: aluminium cans and copper coins are not magnetic.
Contoh soalan
Berikut ialah beberapa soalan seperti dalam misi pertama. Bolehkah anda menjawabnya?
1. Opening a drawer is a…
- push
- jump
- twist
- pull
Tunjuk jawapan
Jawapan: pull. You pull a drawer towards you.
2. What slows a box sliding across the carpet?
- Friction
- Light
- Sound
- Magnetism
Tunjuk jawapan
Jawapan: Friction. Friction is a force between surfaces that slows things down.
3. Which object would a magnet attract?
🧲- An iron nail
- A plastic spoon
- A wooden block
- A rubber
Tunjuk jawapan
Jawapan: An iron nail. Magnets attract iron and steel.
Tip untuk orang dewasa
- Test objects around the house with a fridge magnet — which ones stick?
- Roll a toy car down a ramp onto carpet, then onto a smooth floor. Which goes further?