Quiz 1 - Module 1 - Planet Earth

What zone where Earth orbits and receives enough energy to allow water to exist as a liquid on its surface?

• Solar System

• Goldilocks

• Magnetic field

• Ozone layer

What is the best unique about Earth from other planets in the Solar System?

• Atmosphere

• Temperature

• Shape

• Life

When Earth is too far from the Sun, the water became ________.

• water

• ice

• cloud

• gas

What field protects the planet from harmful solar radiation?

• Electromagnetic

• Magnetic

• Static

• Atmospheric

Ancient plant-like organisms gave off oxygen. What layer of oxygen was created which shielded early man's species from harmful radiation?

• Carbon

• Oxygen

• Ozone

• Water

Which one of these stabilizes the Earth's orbital axis?

• Moon

• Sun

• Planet

• Mars

What percentage of Earth's surface is covered by water?

• 60-65%

• 70-75%

• 80-85%

• 90-95%

True or False. Planet Earth is the home of million of species of plants and animals.

• True

• False

Why is Earth a habitable planet?

• It is the smallest planet.

• It is the nearest planet.

• It has the right chemical ingredients of life.

• It has three moons that stabilizes Earth's orbital axis.

What is the possible effect on Earth without its moon?

• Solar Flare

• Tsunami

• Ozone layer

• Radioactive elements