Exploring Our Planet Earth

What is the third planet from the Sun in our solar system?

• Mars

• Earth

• Venus

• Jupiter

What is the shape of the Earth?

• Perfect sphere

• Flat

• Oblate spheroid

• Cube

Approximately how much of Earth's surface is covered by water?

• 50%

• 70%

• 30%

• 90%

What is the Earth's largest continent by land area?

• Africa

• Europe

• Asia

• Antarctica

Which layer of the Earth is liquid?

• Crust

• Mantle

• Outer core

• Inner core

What is the main gas in Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

What is the term for the movement of Earth's tectonic plates?

• Erosion

• Plate tectonics

• Sedimentation

• Weathering

Which of the following is NOT a layer of the Earth?

• Crust

• Mantle

• Atmosphere

• Lithosphere

What is the Earth's natural satellite?

• Sun

• Mars

• Moon

• Venus

What is the process by which plants make their food using sunlight?

• Respiration

• Photosynthesis

• Digestion

• Fermentation