Ch.5 Thermal energy and heat

Question 0

Fahrenheit scale

Answer 0

To measure temperature.

Question 1

Temperature

Answer 1

Is a measure of how hot or cold something is compared to a reference point.

Question 2

Celsius scale

Answer 2

You can use an equation to convert between scales, but it’s simpler to estimate using thermometer.

Question 3

Kelvin scale

Answer 3

Celsius and Fahrenheit scales are divided into degrees.

Question 4

Absolute zero

Answer 4

Is the lowest temperature possible.

Question 5

Heat

Answer 5

Is the transfer of thermal energy from warmer objects to cooler objects.

Question 6

Convection

Answer 6

Is a type of heat transfer that occurs only in fluid.

Question 7

Convection currents

Answer 7

Convection current in air cause wind and weather change.

Question 8

Radiation

Answer 8

The transfer of energy by electromagnetic waves.

Question 9

Conductor

Answer 9

Metal such as silver are good conductors.

Question 10

Insulators

Answer 10

Are material that do not conduct heat well

Question 11

Specific heat

Answer 11

The amount of energy required to raise the temperature of 1 kilogram of a material by 1 kelvin

Question 12

Thermal expansion

Answer 12

The expanding of matter when it is heated