Some things float on water and some sink. At Splash Lagoon, Year 1 scientists predict and test — and discover that it isn’t just about being heavy or light. Shape matters too!
Apa yang akan dipelajari anak anda
- Predict whether an object will float or sink
- Know that shape as well as weight affects floating
- Know which materials are good for making boats
- Test ideas fairly and talk about results
Not just heavy or light
A huge log floats, but a tiny metal paperclip sinks. Whether something floats depends on what it is made of and its shape. A lump of clay sinks, but shape the same clay into a boat and it floats, because the boat shape pushes lots of water out of the way.
Contoh soalan
Berikut ialah beberapa soalan seperti dalam misi pertama. Bolehkah anda menjawabnya?
1. What happens to a ping-pong ball in water?
- It disappears
- It sinks
- It floats
- It melts
Tunjuk jawapan
Jawapan: It floats. A ping-pong ball is full of air, so it floats.
2. Does a coin float or sink?
🪙- Sink
- Float
Tunjuk jawapan
Jawapan: Sink. Metal coins sink.
3. Does a wooden stick float or sink?
- Float
- Sink
Tunjuk jawapan
Jawapan: Float. Wood floats on water.
Tip untuk orang dewasa
- At bath time, predict and test: float or sink?
- Make boats from foil and see how many coins they carry before sinking.
- Try an orange with and without its peel — the result is surprising!