Exploring Earth's History and Science

What is mostly made up of water?

• Earth

• The sun

• The moon

• Mars

What forms when protons and neutrons are happily married?

• Atoms

• Molecules

• Quarks

• Cells

What is the basic building block of the universe according to the text?

• Planets

• Quarks

• Stars

• Electrons

What did the quarks form groups of three to become?

• Molecules

• Galaxies

• Protons or Neutrons

• Atoms

What is the world described as when electrons join in?

• A plasma state

• A liquid form

• A solid mass

• A bunch of gas in space

What happens when stars burn out and die?

• They turn into planets

• They disappear

• They form black holes

• They create new stars

What was the Earth's surface like according to the 'weather update'?

• Oceanic

• Covered in lava

• Frozen

• Desert

What did the microscopic speck in the ocean use to make food?

• Oxygen

• Sunlight

• Chemical soup

• Minerals

What was a revolutionary technique mentioned in the text?

• Running

• Flying

• Breathing underwater

• Using sunlight to make food

What did the animals need to learn to go on land?

• How to breathe air

• How to swim

• How to fly

• How to walk