Forces And Energy Ok

Question 1

Boiling point

Answer 1

the temperature at which a liquid changes into a gas

Question 2

Melting point

Answer 2

the temperature at which a solid turns into a liquid

Question 3

Freezing point

Answer 3

the temperature at which a liquid turns into a solid

Question 4

Celsius

Answer 4

the metric temperature scale: Water boils at 100 degrees Celsius, and it freezes at 0 degrees Celsius.

Question 5

Fahrenheit

Answer 5

the customary temperature scale in the United States: Water boils at 212 degrees Fahrenheit, and it freezes at 32 degrees Fahrenheit

Question 6

convection (heat)

Answer 6

the transfer of heat through a fluid

Question 7

Radiant energy

Answer 7

energy that does not need matter to travel; light

Question 8

Thermal energy

Answer 8

energy in the form of heat

Question 9

Electron

Answer 9

a subatomic particle with a negative charge

Question 10

Negative charge

Answer 10

an electrical charge in which there is a build up of electrons; the opposite of a positive charge

Question 11

Positive charge

Answer 11

An electric charge with more protons than electrons; the opposite of a negative charge

Question 12

Magnetic

Answer 12

having the properties of a magnet; having the ability to be attracted to or by a magnet

Question 13

Work

Answer 13

a force applied to an object over a distance

Question 14

Conservation energy

Answer 14

Energy cannot be created out of nothing, nor can it be completely destroyed. Energy can only change its form.

Question 15

Conduction

Answer 15

the transfer of heat energy within an object, or between objects that are directly touching each other, due to collisions between the particles in the objects