Earth Science Quiz

Which of the following layers is the outer layer of the Earth?

• Core

• Mantle

• Crust

• Asthenosphere

What is the main reason for plate tectonics?

• Ocean currents

• Moon's gravity

• Convection currents in the mantle

• Erosion

What type of rocks are formed from the cooling and solidification of magma or volcanic lava?

• Igneous rock

• Sedimentary rock

• Metamorphic rock

• Basaltic

Which gas makes up most of the Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Argon

The process by which plants produce oxygen and glucose from sunlight, water, and carbon dioxide is called:

• Evaporation

• Photosynthesis

• Respiration

• Precipitation

Explain the rock cycle in your own words.

Answer explanation

The rock cycle describes how rocks change from one type to another over time. Igneous rocks form from cooled magma, sedimentary rocks from compressed sediments, and metamorphic rocks from heat and pressure, all continuously transforming.

What is the impact of global warming and mention one way it affects the Earth's climate.

Name describing two types of weathering.

What is the difference between renewable and non-renewable resources? Provide an example of each.

Describe how the rotation and revolution of the Earth affect the seasons.