Front

What makes Earth special compared to other planets?

Back

life

Front

Things with the ability to react, grow, reproduce and change are called ___

Back

life

Front

What is the only planet known to have life?

Back

Earth

Front

At the top of the list of things we don't know is the question, "_____"

Back

Are we alone?

Front

What is the basis of all the world's food chains?

Back

the Sun

Front

Why is Earth's orbit around the Sun considered a "sweet spot"?

Back

it allows water to exist mainly in liquid form

Front

Plants take energy from the Sun and turn it into ___

Back

chemical energy

Front

What does life on Earth NOT need to survive? Options: food, methane, water, warmth

Back

methane

Front

A useful material that can be drawn from when needed is called ___

Back

a resource

Front

No matter what aliens look like, their food chains would seem ___

Back

very familiar