Year 2 science · A.14 · Waves and light
Sound is fast
Sound travels slowly through air. It takes time to go from one place to another, especially over distance.
See worked examples
If Hana yells at the school gate, how long does it take for the sound to get to their friend?
- One second
- Instantly
- A few seconds (right)
When Hana runs to the school gate and shouts, how soon does Lena hear it?
- A few seconds later (right)
- Immediately
- In one second
When Felix claps once, how long does it take the sound to reach a classmate 50 feet away?
- Instantly
- One second
- A few seconds (right)
Tip: Sound travels slowly through air. It takes time to go from one place to another, especially over distance.
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