Terms and concepts

Question 1

what is combustion.

Answer 1

Occurs whenever something reacts with oxygen gas. Combustion reactions are examples of exothermic reactions.

Question 2

What are green house gases

Answer 2

atmospheric gases, like carbon dioxide and methane, that trap heat radiating from Earth’s surface, preventing it from escaping into space which warms the planet.

Question 3

worded equation for photosynthesis

Answer 3

carbon dioxide + water ~> glucose + oxygen

Carbon dioxide + water ( sunlight) ~> glucose + oxygen