2nd Semester Earth Science Final Review

What causes air pollution (check all that apply)?

• Cars burning gasoline

• Trucks burning diesel

• Refineries burning oil

• Power plants burning coal

• Walking to school

Altitude is

• the distance above sea level

• the result of the weight of a column of air pushing down

• the cause of pollution

• what protects Earth from meteors

What two components interact to make smog?

• chemicals in the air and sunlight

• chemicals in the air and oxygen

• sunlight and dust

• acid and sulfur

Earth’s atmosphere layers are divided and classified by...

• temperature changes and altitude

• amount of water vapor and oxygen

• the distance from the Earth's surface

• amount of meteor activity

The ozone layer protects living things on Earth from

• visible light

• infrared rays

• ultraviolet radiation

• carbon dioxide

Earth’s atmosphere traps energy from the sun, which

• allows water to exist as a liquid

• allows ozone to form easily

• causes meteors to burn up

Tags

NGSS.MS-ESS2-4

Atmosphere air is

• 78% nitrogen and 21% oxygen

• 78% oxygen and 21% nitrogen

• 50% oxygen and 50% carbon dioxide

• 75% oxygen and 25% water vapor

The atmosphere is...

• the layer in which weather occurs

• the layer that contains the ozone layer

• the layer of water in the oceans

• the layer of gases that surround Earth

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

_______ are remains of plants and animals that have existed only for a limited geologic period. They are used to narrow down the age of the rock containing them and correlate rock layers across different locations.

• Index fossil

• Fossil succession

• Uniform fossils

• Half life fossils

Tags

NGSS.MS-LS4-1

The time it takes for one half of the atoms in a sample of a radioactive element to decay is called the element’s ____________________.

• element

• radioactive decay

• half life

Tags

NGSS.HS-PS1-8