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Point source

physical science Maturity 9-11

A tiny spot can be a source. It can send out light or heat. A star looks like a small dot. It can also send out sound. This helps us study the world.

Nagasakibomb.jpg
Nagasakibomb.jpg
Can you find a small light?

40 words
🖼️ Images & Media (2)
File:Geiger counter in use.jpg
Geiger counter in use.jpg
File:Nagasakibomb.jpg
Nagasakibomb.jpg
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📚 Content adapted from Wikipedia | Readability: FK 14.6 | Vital Level 5