Weather Study Notes

The earth's _____________ is the envelope of gases that surround the planet.

78% of gases in dry air is ___________.

The amount of oxygen in dry air is ______.

What percent of air is made up of nitrogen and oxygen?

A nitrogen molecule has ______ nitrogen atoms.

Nitrogen is a ____.

Nitrogen makes up more of the air than any other gas. True or False?

_________ is needed to release energy from food.

Oxygen may form ______ when it interacts with lightning.

Carbon dioxide is not essential to life. (True or False)

_____________ is given off by animals and plants as a waste product.

Carbon dioxide alone makes up 1% of the air. T OR F

The ___ contains particles such as dust, smoke, salt, and other chemicals.

Water in the form of gas is called ____________.

Water vapor is not the same as steam. T OR F

Water vapor plays a role in the ____________, by condensing cloud out of air to form tiny droplets of water or ice.

How does the atmosphere make conditions on Earth suitble for living things.

Things in _______________ include Neon, Helium, Methane, Krypton, hydrogen, dust, smoke, salt, and water vapor.

Plants and animals give it off as a waste product. Burning fuels release it-

gases that only a small amount of them are present.

Burning fuels and plants and animals to release energy from their food. are 2 sources that use _________

The atmosphere isn't always the same. T OR F

What does the percentage of oxygen in the air do as u go up in the atmosphere