Earth in Space

Where are asteroids found?

• Between Mars and Jupiter

• In the Kuiper Belt

• In the Oort Cloud

• Near the Sun

What happens when an asteroid collides with a planet or a moon?

• It produces an impact crater

• It creates a new asteroid

• It causes a solar flare

• It has no effect

What is the giant-impact hypothesis?

• A theory about the Moon's formation

• A theory about asteroid collisions

• A theory about the formation of stars

• A theory about the extinction of dinosaurs

What evidence supports the giant-impact hypothesis?

• Identical rock composition of the Moon and Earth

• The Moon's orbit

• The spin of the Earth

• All of the above

Where do stars form?

• In nebulae

• In asteroid belts

• In black holes

• In the core of planets

What is the primary composition of asteroids?

• Rock and metal

• Gas and ice

• Liquid water

• Plasma

What role do asteroids play in the solar system?

• They are the main source of solar energy

• They are the largest celestial bodies

• They are remnants from the solar system's formation

• They are responsible for creating black holes

How do scientists believe the Moon's surface was shaped?

• By tectonic movements

• By erosion from solar winds

• By asteroid impacts

• By volcanic activity