Light from the sun comes in many different colors including colors we can see and some colors we can’t see. And just like sound waves or waves on the water, light travels in waves as well.
Molecules are formed by atoms bonding together, and there are many different types of molecules that you interact with every day. For example, water and sugar are both molecules.
Gelatin is the basis of what makes a gummy bear a gummy bear, but we first start with sugar, corn syrup and water. Gelatin is thermoreversible, meaning that heat can turn it back into a liquid.
Milk can make many products because of its complex chemistry and history. Early humans used milk and had to experiment with various means to preserve it and its nutrition content over time.
When living creatures produce and emit light it’s called bioluminescence. The main reason fireflies glow is to find a mate, though they can also light up under other situations as a warning to others.