Earth and Life Quiz 古生物館

About how old is the Earth?

• 4,500 years old

• 4.5 million years old

• 4.5 billion years old

What was early Earth like?

• Calm and full of animals

• Hot, with volcanoes and no life

• Cold and full of ice

What covered Earth before land formed?

• Forests

• Oceans of lava and water

• Mountains only

What important gas helps us breathe today and was not always on Earth?

• Carbon dioxide

• Nitrogen

• Oxygen

What were the first forms of life on Earth?

• Dinosaurs

• Tiny cells in water

• Trees

What does “evolution” mean?

• Life travels to space

• Life changes and grows over time

• Animals never change

How many major mass extinctions happened in Earth’s history?

• 2

• 5

• 10

What caused the dinosaur extinction?

• A big flood

• An asteroid hit Earth

• They got too old

Which dinosaur had three horns on its head?

• T. rex

• Triceratops

• Stegosaurus

Which dinosaur was known as a fast hunter with sharp claws?

• Velociraptor

• Brontosaurus

• Brachiosaurus