La nascita della terra

How old is the universe according to scientists?

• About 4.5 billion years old.

• About 13 billion years old.

• About 1 million years old.

• About 4 billion years old.

What happened to the Earth's surface about 4 billion years ago?

• It became a huge fiery mass.

• It started to spin around the Sun.

• It cooled down and formed the Earth's crust.

• It was covered by oceans.

What was the name of the single supercontinent that existed 180 million years ago?

• Pangea

• Gondwana

• Laurasia

• Panthalassa

What process describes the slow movement of continental blocks that formed the current continents?

• Plate tectonics

• Continental drift

• Erosion

• Volcanic activity