Ch 15.1- atmosphere

What is the atmosphere?

• The atmosphere is the layer of gases that surrounds the Earth.
• The atmosphere is a layer of fire surrounding the Earth.
• The atmosphere is a layer of liquid water surrounding the Earth.
• The atmosphere is a layer of solid rock surrounding the Earth.

What are three things the atmosphere provides us with?

What are three properties of the atmosphere?

• Density, Mass, Pressure

• Humidity, Altitude, Heat

• Altitude, Density, Gravity

• Humidity, Temperature, Pressure

What percent of the atmosphere is nitrogen?

• 78%
• 45%
• 60%
• 82%

What percent of the atmosphere is oxygen?

• 30%
• 10%
• 21%
• 15%

What is the term for burning oxygen and fuel

• combustion
• ignition
• oxidation
• blaze

Tags

NGSS.MS-PS1-5

Describe relative humidity

• Relative humidity is the ratio of the amount of sunlight present in the air
• Relative humidity is the ratio of the amount of water vapor present in the air to the maximum amount of water vapor the air can hold at a specific temperature, expressed as a percentage.
• Relative humidity is the percentage of oxygen in the air
• Relative humidity is the measure of the amount of rain in the air

Tags

NGSS.MS-ESS2-4

Why can't the body cool itself efficiently in high humidity?

Tags

NGSS.HS-LS1-3

What happens to water vapor when the air cools?

• Water vapor condenses into liquid water or ice crystals.
• Water vapor turns into solid rock
• Water vapor disappears into thin air
• Water vapor transforms into steam

Tags

NGSS.MS-PS1-4

What is condensation?

• Condensation is the process by which a gas or vapor turns into a liquid.
• Condensation is the process by which a liquid turns into a solid.
• Condensation is the process by which a liquid turns into a gas.
• Condensation is the process by which a solid turns into a gas.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4