Life on Other Planets

Front

Compared to other planets, what makes Earth special? Options: water, life, oxygen, an atmosphere

Back

life

Front

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

Back

life

Front

As far as we know, what is the only planet that has life? Options: Venus, Jupiter, Earth, Saturn

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? Options: the Sun, plants, fossil fuels, electricity

Back

the Sun

Front

Earth's orbit around the Sun is in a "sweet spot" because ___

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