Introduction - Section 1
Completion requirements
Where is light found in our world?
1. Where is light found in our world? (sun, electric lights, objects that glow)
1.1 What objects emit their own light? What objects need a light source to be seen?
1.2 How is looking at the sun or bright light dangerous?
Light can come from places where you might not always expect it. A special type of fish called an angler fish carries its own light source with it as way to lure its prey. Light that is produced by plants and animals is called bioluminescence.