Ch 22 Holt Earth Science - Atmosphere

Question 1

Where solar radiation makes ions & free electrons; Auroras form here; in the lower thermosphere

Accepted Answer

ionosphere

Question 2

The highest layer of the atmosphere; it's the hottest, and it's hard to find the outer edge

Accepted Answer

thermosphere

Question 3

Water changes temperature more slowly than air.

Accepted Answer

TRUE

Question 4

Most of the atmospheric pressure is found here

Accepted Answer

at low elevations

Question 5

Air rises or falls because of its density, which is related to its temperature

Accepted Answer

convection

Question 6

The sun’s rays hit the equator at a 90° angle; it hits the poles _

Accepted Answer

at a lower angle

Question 7

Land and sea breezes are different because water stores heat differently than land.

Accepted Answer

TRUE

Question 8

The force per unit area, exerted on a surface by the weight of the atmosphere

Accepted Answer

atmospheric pressure

Question 9

The layer of the atmosphere that is the 2nd highest elevation; most of the ozone layer is here

Accepted Answer

stratosphere

Question 10

The mix of gases surrounding a planet

Accepted Answer

atmosphere

Question 11

The N. and S. Hemispheres get equal amounts of sun at all times, because the axis is tilted.

Accepted Answer

FALSE

Question 12

Why is the sky blue?

Accepted Answer

airborne molecules scatter radiation

Question 13

When the atmosphere warms because gases absorb and re-radiate infrared radiation

Accepted Answer

greenhouse effect

Question 14

This absorbs harmful ultraviolet (UV) rays from the sun

Accepted Answer

Ozone layer

Question 15

The process of transferring energy (as heat) through a material

Accepted Answer

conduction

Question 16

A tool that measures air pressure

Accepted Answer

barometer

Question 17

The 3rd highest layer of the atmosphere; it's the coldest; most meteors burn up here.

Accepted Answer

mesosphere

Question 18

Which of these gasses occurs the least in our atmosphere?

Accepted Answer

helium

Question 19

An object’s path curves because of Earth's rotation

Accepted Answer

Coriolis effect

Question 20

What are particulates?

Accepted Answer

solid particles in the air

Question 21

How long can tiny particulates stay in the air?

Accepted Answer

months

Question 22

The layer of the atmosphere that is closest to Earth, where most weather happens

Accepted Answer

troposphere

Question 23

The energy that reaches Earth from the sun is in the form of _.

Accepted Answer

electromagnetic radiation

Question 24

What are the most common gasses in our atmosphere?

Accepted Answer

nitrogen, oxygen, argon

Question 25

Narrow bands of high-speed winds that blow in the upper troposphere / lower stratosphere

Accepted Answer

jet stream

Question 26

When a layer of warm air traps a layer of cold air and causes smog

Accepted Answer

Temperature Inversion

Question 27

A gas made up of 3 oxygen atoms

Accepted Answer

Ozone

Question 28

An area near the equator where the wind is weak and variable

Accepted Answer

doldrums

Question 29

What is found in the atmosphere?

Accepted Answer

gas, solids, compounds

Question 30

The three kinds of prevailing winds:

Accepted Answer

trade winds, easterlies, westerlies

Question 31

Seasons are caused by the angle of the sun's rays when they hit Earth.

Accepted Answer

FALSE

Question 32

All forms of energy that travel through space as waves are called _.

Accepted Answer

radiation

Question 33

The measure of solar radiation that’s reflected by the surface of an object

Accepted Answer

albedo

Ch 22 Holt Earth Science - Atmosphere

Questions 33

Ch 22 Holt Earth Science - Atmosphere

Questions 33