Exploring Our Planet Earth

What is the largest ocean on Earth?

• Arctic Ocean

• Indian Ocean

• Atlantic Ocean

• Pacific Ocean

Which layer of the Earth is liquid?

• Crust

• Outer core

• Inner core

• Mantle

What is the term for the movement of tectonic plates?

• Plate tectonics

• Geological uplift

• Seafloor spreading

• Continental drift

Which planet is known as the 'Blue Planet'?

• Mars

• Earth

• Neptune

• Venus

What is the main gas found in the Earth's atmosphere?

• Nitrogen

• Oxygen

• Carbon Dioxide

• Argon

What is the process by which plants make their food called?

• Transpiration

• Digestion

• Photosynthesis

• Respiration

Which continent is the Sahara Desert located on?

• Australia

• South America

• Africa

• Asia

The Earth revolves around the Sun in approximately ___ days.

• 400 days

• 365 days

• 360 days

• 365.25

The Earth's atmosphere is composed mainly of ___ and oxygen.

• carbon dioxide

• helium

• argon

• nitrogen

The process of water cycle includes evaporation, condensation, and ___.

• filtration

• precipitation

• distillation

• sublimation