Atmosphere (Earth's Insulator) 1

It is the thin envelope of gas that surrounds the planet.

• atmosphere

• hydrosphere

• geosphere

• biosphere

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

The atmosphere protects the planet from harmful solar radiation and keeps the planet's temperature within a range that allows life to exist.

• True

• False

The most abundant gases found in the atmosphere are nitrogen and oxygen.

• True

• False

Nitrogen makes up about ________ percent of the air we breathe.

• 21

• 45

• 78

• 97

Oxygen is essential for animal life, and makes up about ______ percent of the atmosphere's gases.

• 21

• 42

• 78

• 99

The remaining one percent of the gases in our atmosphere consists of trace, or very small amounts of argon, carbon monoxide, methane, and ozone.

• True

• False

Burning fuels can increase the amount of carbon dioxide in the air.

• True

• False

Tags

NGSS.MS-ESS3-5

Water vapor cannot be seen, but when it condenses into tiny droplets of liquid water or frozen ice, it forms the clouds we see in the sky.

• True

• False

Tags

NGSS.MS-ESS2-4

The density of air decreases at higher altitudes because there is less pressure forcing the air molecules together.

• True

• False

Each molecule of gases in the atmosphere doesn't exert a small amount of force when it collides with other particles or a surface.

• True

• False

Tags

NGSS.MS-PS2-5