Science CH3

Question 0

Atmosphere:

Answer 0

The envelope of gases that surrounds the planet.

Question 1

Weather:

Answer 1

The condition of earths atmosphere at a particular time and place.

Question 2

Water Vapor

Answer 2

Water in the form of a gas.

Question 3

Density:

Answer 3

The amount of mass in a given volume of air

Question 4

Air Pressure:

Answer 4

The result of the weight of a column of air pushing on an area.

Question 5

Barometer:

Answer 5

An instrument that is used to measure air pressure.

Question 6

Mercury Barometer:

Answer 6

Consists of a long glass tube that is closed at one end and open at the other.

Question 7

Aneroid Barometer:

Answer 7

An airtight metal chamber.

Question 8

Altitude:

Answer 8

Also known as, elevation, is the distance above sea level.

Question 9

Troposphere:

Answer 9

The layer of the atmosphere in which Earths weather occurs.

Question 10

Stratosphere

Answer 10

The second layer of the atmosphere and contains the ozone layer

Question 11

Mesosphere

Answer 11

The layer of the atmosphere that protects the Earths surface from being hit by most meteoroids.

Question 12

Thermosphere:

Answer 12

The outermost layer of earths atmosphere.

Question 13

Ionosphere:

Answer 13

Lower layer of thermosphere.

Question 14

Exosphere:

Answer 14

The outer layer

Question 15

Electromagnetic Waves:

Answer 15

A form of energy that can move through the vacuum of space.

Question 16

Radiation:

Answer 16

The direct transfer of energy by electromagnetic waves.

Question 17

Infrared Radiation:

Answer 17

Electromagnetic waves with wavelengths that are longer than visible light but shorter than microwaves.

Question 18

Ultraviolet Radiation:

Answer 18

An invisible form of energy with wavelengths that are shorter than wavelengths for violet light.

Question 19

Scattering:

Answer 19

Dust-size particles and gases in the atmosphere disperse light in all directions.

Question 20

Greenhouse Effect:

Answer 20

Gases in turn hold heat in earths atmosphere.

Question 21

Thermal Energy:

Answer 21

Measures the total energy of motion in the particles of a substance.

Question 22

Thermometer:

Answer 22

A device that measures temperature.

Question 23

Heat:

Answer 23

Thermal energy that is transferred from a hotter object to a cooler one.

Question 24

Convection:

Answer 24

The transfer of heat by the movement of a fluid.

Question 25

Conduction:

Answer 25

The transfer of heat between two substances that are in direct contact.

Question 26

Convection Currents:

Answer 26

The upwards movement of warm air and the downward movement of cool air.

Question 27

Wind:

Answer 27

The horizontal movement of air from an area of high pressure to an area of lower pressure.

Question 28

Anemometer:

Answer 28

An instrument used to measure wind speed.

Question 29

Windchill Factor:

Answer 29

A measure of cooling combining temperature and wind speed.

Question 30

Local Winds:

Answer 30

Winds that blow over short distances.

Question 31

Sea Breeze:

Answer 31

The flow of cooler air from over an ocean or lake toward land.

Question 32

Land Breeze:

Answer 32

The flow of air from land to a body of water.

Question 33

Global Winds:

Answer 33

Winds that blow steadily from specific directions over long distances.

Question 34

Coriolis Effect

Answer 34

The effect of Earth’s rotation on the direction of winds and currents.

Question 35

Latitude:

Answer 35

The distance in degrees north or south of the equator.

Question 36

Global Winds:

Answer 36

Winds that blow steadily from specific directions over long distances.