Life on Earth

Front

What contains 99.8% of the mass in our solar system?

Back

The Sun

Front

What is the process called where energy is transferred by circulation of a liquid or gas?

Back

Convection

Front

Which molecule represents ozone gas?

Back

O₃

Front

What is the role of Earth's magnetic field?

Back

Earth's magnetic field protects the planet from harmful solar radiation and charged particles.

Front

What does the ozone layer protect us from?

Back

UV rays (Ultraviolet rays)

Front

What is the primary gas in the Earth's atmosphere?

Back

Nitrogen (approximately 78%)

Front

What is photosynthesis?

Back

The process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Front

What is the water cycle?

Back

The continuous movement of water on, above, and below the surface of the Earth.

Front

What is biodiversity?

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What is an ecosystem?

Back

A community of living organisms and their interactions with their environment.