Exploring Earth and the Solar System

How long does it take for Earth to complete one orbit around the sun?

• 30 days

• 24 hours

• 365 days

• 12 months

What causes the change between day and night on Earth?

• Earth's orbit around the sun

• Earth's spin on its axis

• The moon's orbit around Earth

• The sun's movement

What is the main reason for the different seasons on Earth?

• Earth's tilt on its axis

• The sun's temperature changes

• Earth's distance from the sun

• The moon's phases

Which of the following is NOT a continent on Earth?

• Antarctica

• Greenland

• Europe

• Asia

What is the third planet from the sun?

• Earth

• Jupiter

• Venus

• Mars

What is the primary component of Earth's surface?

• Water

• Ice

• Land

• Desert

Why is Earth the only known planet to support life?

• It has air and water

• It has a strong magnetic field

• It has the most land

• It is closest to the sun

What is the outermost layer of Earth called?

• Outer core

• Inner core

• Mantle

• Crust

What does it mean for a satellite to orbit Earth?

• To land on Earth

• To travel around Earth

• To stay stationary above Earth

• To move away from Earth

Which layer of Earth is directly beneath the crust?

• Upper mantle

• Lower mantle

• Outer core

• Inner core