science test

Question 1

The moving particles that make up an object have ______ energy.

Answer 1

Kinetic

Question 2

_____ is a measure of the average kinetic energy of all the particles that make up an object

Answer 2

Temperature

Question 3

If the particles that make up an object begin to move quickly, their average kinetic energy ______ and the object’s temperature

Answer 3

increases, rises

Question 4

Thermal energy is the ________ of the particles in a system

Answer 4

total energy

Question 5

_______ is the thermal energy that is transformed from a material with a higher temperature to one with a lower temperature

Answer 5

Heat

Question 6

Which is the most effective thermal conductor

Answer 6

Solid

Question 7

Which would you expect to find in a home with passive solar heating

Answer 7

wall of large windows

Question 8

An ______ is something that transforms radiant energy from the sun into thermal energy

Answer 8

solar collector

Question 9

Thermal energy is the ______ of the particles that make up a system

Answer 9

total energy

Question 10

Which conducts thermal energy most effectively

Answer 10

Solid

Question 11

_____ is the measure of the average kinetic energy of all particles in an object

Answer 11

Temperature

Question 12

Refrigerators use the process of _____ to remove thermal energy from the interiors

Answer 12

evaporation

Question 13

The transfer of energy through matter by the direct contact of particles is called ________

Answer 13

conduction

Question 14

Which is an internal combustion engine

Answer 14

gasoline engine in a car

Question 15

Any material that flows is a

Answer 15

fluid

Question 16

An _____ transforms radiant energy from the sun into thermal energy

Answer 16

solar collector

Question 17

______ is the transfer of energy in the form of electromagnetic waves

Answer 17

radiation

Question 18

which heating systems use fuel to heat a mass of surrounding air that is blown through a series of ducts?

Answer 18

forced air

Question 19

Heat engines convert _____ energy into ______ energy.

Answer 19

thermal, mechanical

Question 20

An _____ is a material that does not allow thermal energy to be transferred

Answer 20

thermal insulator

Question 21

which would be the best material to use for making tea kettles?

Answer 21

copper, specific heat 380

Question 22

All heating systems for homes require

Answer 22

energy

Question 23

when you measure the temperature of an object, you are measuring ______

Answer 23

the average kinetic energy of its particles

Question 24

which of the following substances has the highest specific heat?

Answer 24

water

Question 25

energy is transferred from the sun to earth by

Answer 25

radiation

Question 26

Which of these substances is likely to be the best insulator?

Answer 26

oxygen

Question 27

according to the first law of thermodynamics the increase in thermal energy of a system is equal to _______

Answer 27

the work done on the system plus heat into the system

Question 28

Which is likely to conduct thermal energy most efficiently?

Answer 28

metal

Question 29

Which type of energy transfer does not require matter?

Answer 29

radiation

Question 30

____ is the thermal energy that is transferred from a material with a higher temperature to one with a lower temperature.

Answer 30

heat

Question 31

Which is the result of convection?

Answer 31

rain forests near the equator

Question 32

Which probably has the lowest specific heat?

Answer 32

metal seatbelt buckle

Question 33

A thermos bottle uses a partial vacuum to prevent thermal energy transfers. How much matter does the vacuum contain?

Answer 33

it contains almost no matter

Question 34

The transfer of thermal energy through matter by direct contact of particles is called _____

Answer 34

conduction

Question 35

The transfer of thermal energy by the movement of matter is called _____ .

Answer 35

convection

Question 36

The type of energy transfer that does not require matter is _____ .

Answer 36

radiation

Question 37

Any material in which thermal energy doesn’t flow easily is an _____ .

Answer 37

insulator

Question 38

An _____ _____ engine burns fuels inside chambers called cylinders.

Answer 38

Internal combustion

Question 39

Energy from the sun is _____ _____ .

Answer 39

radiant energy

Question 40

A device on a building that absorbs radiant energy from the sun is _____

Answer 40

Solar collector

Question 41

The thermal energy that is transferred from something with a higher temperature to something with a lower temperature is called _____

Answer 41

heat

Question 42

Thermal energy is converted into mechanical energy by a _____ _____ .

Answer 42

heat engine

Question 43

A _____ _____ moves thermal energy from one location and transfers it to another location at a higher temperature.

Answer 43

heat pump

Question 44

The _____ is related to the average kinetic energy of all the particles in an object.

Answer 44

temperature

Question 45

The total energy of the particles in a material is _____ _____ .

Answer 45

thermal energy

Question 46

The _____ _____ of a material is the amount of thermal energy it takes to raise the temperature of 1 kg of the material 1 kelvin.

Answer 46

specific heat