Earth: Making of a Planet Pt. 2

What caused the 15 million year ice age known as ‘snowball earth’ to end?

• The Sun
• Volcanoes erupting
• A meteor
• Gas frozen in the ocean

Where could you find the first plants and animals on earth?

• Inside volcanoes
• In rivers and lakes
• In snow and ice
• In the ocean

Trilobites are the ancestors of what species we have today?

• Lobsters
• Fish
• Scallops
• Cats

Why couldn’t life move from the ocean to land for so long?

• It was too cold on land
• It was too hot on land
• They were afraid
• They couldn't see without water

What was the first type of animal to walk on land?

• A fish
• A frog
• A bug
• A reptile

Why were seeds so important for spreading plants?

• Before they were just spores
• They couldn't be eaten
• They could survive for a long time without water
• They became trees

What type of creature was the first to fly?

• A dragonfly
• A bird
• A reptiles
• A butterfly

What did reptiles do that hadn’t been done before?

• Lay eggs that tasted good
• Walk on land
• Fly
• Lay eggs on land

What is the sedimentary rock, coal, formed from? 

• Dead plants
• Dead animals
• Dinosaur bones
• Dead bugs

What do some scientists think caused the Permian Extinction? (That they talked about in the video)

• A meteor
• Aliens
• Illuminati
• Volcanic eruptions