Earth

Which planet is ideal for life?

• Mercury

• Venus

• Earth

• Mars

Where did the first organisms that produced their own food appear on Earth?

• mountains

• rivers

• oceans

• valleys

How many species reside on planet Earth?

• between 5 million and 30 million

• between 5 billion and 30 billion

• between 15 million and 30 million

• between 50 million and 3 billion

Which Terrestrial planet has tectonic plates?

• Mercury

• Venus

• Earth

• Mars

What have tectonic plates done to surface features older than 500 million years?

• highlighted them

• erased them

• burnt them up

Where have humans traveled to in our solar system?

• Mercury

• Venus

• Earth

• Mars

• The Moon

Which planet is the moon most similar to?

• Mercury

• Venus

• Earth

• Mars

Which planet is the best known in our solar system, other than Earth?

• Mercury

• Venus

• Earth

• Mars