Characteristics to Support Life on Earth

Characteristics to Support Life on Earth

Assessment

Flashcard

Science

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the role of the ozone layer in Earth's atmosphere?

Back

The ozone layer shields Earth from ultraviolet radiation, protecting living organisms from harmful effects.

2.

FLASHCARD QUESTION

Front

Why is Earth's distance from the Sun important for supporting life?

Back

Earth's distance (150 million km) allows for a temperature range that supports liquid water, essential for life.

3.

FLASHCARD QUESTION

Front

Which two elements make up most of Earth's atmosphere?

Back

Nitrogen and Oxygen.

4.

FLASHCARD QUESTION

Front

What is one requirement that is NOT necessary for life to exist on a planet?

Back

Just the right period of rotation.

5.

FLASHCARD QUESTION

Front

What is ultraviolet radiation?

Back

Ultraviolet radiation is a type of electromagnetic radiation that comes from the sun and can be harmful to living organisms.

6.

FLASHCARD QUESTION

Front

How does temperature affect the possibility of life on a planet?

Back

If a planet's temperature is too cold, it may not support liquid water, which is essential for life.

7.

FLASHCARD QUESTION

Front

What is the significance of water for life on Earth?

Back

Water is essential for all known forms of life; it serves as a solvent, a temperature regulator, and a medium for biochemical reactions.

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