ff2 review 1

The Earth spins around its axis from: a) East to west b) North to south c) West to East

4. Any substance that damages the environment is called: a) Ecosystem b) Slow change c) Pollution

1. Which event would cause an ecosystem to change quickly? a) Climate change b) An earthquake c) A lake drying up

Beavers are famous for building dams, which type of change is this: a) Fast change b) Slow change c) Change due to organism.

The path an object takes as it revolves around a star , moon or a planet is known as : a) Orbit b) Axis c) Planet

Earth completes one full cycle around its axis in a) 24 hours b) 48 hours c) 365 days

Which event can cause an ecosystem to change very slowly: a) Earthquake b) Tornado c) Seasonal change.

The imaginary line that the Earth spins around is known as: a) Revolution b) Axis c) Planet