Science Ch 3 vocab

Question 0

Atmosphere

Answer 0

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

Amount of mass in a given volume of air

Question 4

Air pressure

Answer 4

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

A long glass tube that is closed at one end and open at the other

Question 7

Aneroid barometer

Answer 7

An instrument that measures change in air pressure without liquid

Question 8

Altitude

Answer 8

Distance above sea level

Question 9

Troposphere

Answer 9

The lowest layer of Earth’s atmosphere.

Question 10

Stratosphere

Answer 10

The second-lowest layer of Earth’s atmosphere.

Question 11

Mesosphere

Answer 11

The layer of Earth’s atmosphere immediately above the stratosphere

Question 12

Thermosphere

Answer 12

The outermost layer of Earth’s atmosphere.

Question 13

Ionosphere

Answer 13

The lower part of the thermosphere

Question 14

Exosphere

Answer 14

The outer layer of the thermosphere.

Question 15

Electromagnetic waves

Answer 15

Form of energy that can move through the vacuum of space

Question 16

Radiation

Answer 16

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

Electromagnetic waves with wavelengths that are shorter than visible light but longer than X-rays.

Question 19

Scattering

Answer 19

Reflection of light in all directions.

Question 20

Greenhouse effect

Answer 20

The trapping of heat near a planet’s surface by certain gases in the planet’s atmosphere.

Question 21

Temperature

Answer 21

How hot or cold something is; a measure of the average energy of motion of the particles of a substance.

Question 22

Thermal energy

Answer 22

The total energy of all the particles of an object.

Question 23

Thermometer

Answer 23

An instrument used to measure temperature.

Question 24

Heat

Answer 24

The transfer of thermal energy from one object toanother because of a difference in temperature.

Question 25

Convection

Answer 25

The transfer of thermal energy by the movement of a fluid.

Question 26

Conduction

Answer 26

1. The transfer of thermal energy from one particle of matter to another. 2. A method of charging an object by allowing electrons to flow by direct contact from one object to another object.

Question 27

Convection currents

Answer 27

The movement of a fluid, caused by differences in temperature, that transfers heat from one part of the fluid to another.

Question 28

Wind

Answer 28

Movement of air parallel to Earth's surface

Question 29

Anemometer

Answer 29

An instrument used to measure wind speed.

Question 30

Windchill factor

Answer 30

A measure of cooling combining temperature and wind speed.

Question 31

Local winds

Answer 31

Winds that blow over short distances.

Question 32

Global winds

Answer 32

Winds that blow steadily from specific directions over long distances.

Question 33

Coriolis effect

Answer 33

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

Question 34

Latitude

Answer 34

The distance in degrees north or south of the equator.

Question 35

Sea breeze

Answer 35

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

Question 36

Land breeze

Answer 36

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