Life on Earth

Front

What is the habitable zone?

Back

A zone with the correct distance away from the Sun where conditions are suitable for life.

Front

Which planet in our solar system has an atmosphere that is not suitable for life?

Back

Venus.

Front

What is the main source of energy for life on Earth?

Back

The Sun.

Front

Why is the proximity of the Sun important for life on Earth?

Back

It helps regulate temperature.

Front

What are the three main factors that allow life to exist on Earth?

Back

Proximity of the Sun, presence of water, and composition of the atmosphere.

Front

What is the role of water in supporting life on Earth?

Back

Water is essential for all known forms of life; it acts as a solvent, regulates temperature, and is involved in biochemical reactions.

Front

How does the atmosphere protect life on Earth?

Back

The atmosphere filters harmful solar radiation and helps maintain a stable climate.

Front

What is photosynthesis?

Back

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

Front

Why is biodiversity important for ecosystems?

Back

Biodiversity contributes to ecosystem resilience, productivity, and stability.

Front

What is the greenhouse effect?

Back

The greenhouse effect is the warming of Earth’s surface due to the trapping of heat by greenhouse gases in the atmosphere.