Life on Earth

Front

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

Back

The sun.

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS1-6

Front

Why is there no life on the moon despite being in the habitable zone?

Back

All of the following are correct: no liquid water, atmosphere is too thin, exposed to too much solar radiation.

Tags

NGSS.MS-ESS2-4

Front

What would happen if Earth were closer to the Sun?

Back

The conditions would be too hot to support life.

Tags

NGSS.MS-ESS2-6

Front

Why is water important for living organisms on Earth?

Back

It helps regulate temperature.

Tags

NGSS.MS-LS2-1

Front

What makes Earth unique in supporting life?

Back

Its unique combination of factors: proximity to the Sun, presence of water, and composition of the atmosphere.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-3

Front

What is the habitable zone?

Back

The region around a star where conditions may be right for life, particularly the presence of liquid water.

Front

What role does the atmosphere play in supporting life on Earth?

Back

It provides essential gases for respiration and protects living organisms from harmful solar radiation.

Front

How does the greenhouse effect contribute to life on Earth?

Back

It helps maintain the Earth's temperature by trapping heat in the atmosphere.

Front

What is photosynthesis?

Back

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

Tags

NGSS.MS-LS1-6

Front

Why is biodiversity important for ecosystems?

Back

It enhances ecosystem resilience, productivity, and stability.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5