heat ands temp. quiz

The temperature scale at which water freezes at 0 degrees

Celsius

the temperature scale used for scientific work

Celsius

The temperature scale commonly used in the U.S.

Fahrenheit

the temperature scale in which water boils at 212 degrees

Fahrenheit

the amount of heat needed to raise the temperatur of 1 gram of water by 6 degrees celsius is

6 calories

a measure of the average motion of the molecules in a substance

TEMPERATURE

a substance commonly used in antifreeze

alcohol

the part of a steam engine that changes water to steam

boiler

The temperature at which a substance changes to a gas

boiling point

water water does at 100 degress Celsius

boils

The amount of heat needed to raise the temperature of 1 gram of water 1 degree C Celcius

calorie

that frost on your window is an example of

condensation

The flow of heat energy through matter by molecules bumping into each other

conduction

Copper is an example of a __ because heat can easily travel through it

conductor

To become smaller in size

contract

when particles in matter move more slowly, the matter usually

contracts

Warm liquids rise as a result of

convection

to change to F to C or vise verse you must

convert

A unit of measurement on a temperature scale

degree

the unit for measuring temperature

degree

what is the heat source for a tosaster

electricity

heat is a form of

energy

To change from a liquid to a gas

evaporate

water _______ when you boil it

evaporates

matter generally _____ when you heat it

expands

water _____ when it becoms ice

expands

the reaction that occurs when an atom splits

fission

water water does at 32 degrees Fahrenheit

freezes

The temperature at which a liquid to a solid

freezing point

the melting point of a subsatance is the same as its

freezing point

the nuclear reaction that occurs when atoms are joined together

fusion

molecules in a ______ move more freely then in a liquid

gas

results from a change at the boiling point

gas

the bathroom walls are covered with water after you shower

gas to a liquid

rubbing your ______ together produces heat

hands

A form of energy resulting from the motion of particles in matter

heat

a form of energy resulting from the motion of particleds in matter

heat

a type of energy caused by motion of molecules

heat

a place were heat energy comes from

heat source

________ gases make's a cars engine work

hot

as the temperature of an object increases, the amount of heat in an object

increases

A material that does not warm up or cool down quickly is called an _______

insulator

results from a change at the melting point

liquid

the rain puddle is getting smaller

liquid to a gas

the water is bubbling in the tea kettle

liquid to a gas

a can of a soft drink (soda) in the freezer bursts

liquid to a solid

Temperature at which a solid changes to a liquid

melting point

the temperature at which a solid changes into a liquid

melting point

a liquid metal sometimes used in thermometers

mercury

the freezing point or boiling point of a substance can be change by

mixing the substances wit another substane

heat results from the ____ of atoms and molecules

motion

when frozen water melts and then evaporates, heat energy has caused the water molecules to

move faster and move farther apart

The reaction occurring when the nucleus of an atom splits

nuclear fission

The reaction occurring when atoms are joined together

nuclear fusion

Heat energy can be produced by______

nuclear, chemical, and electrical energy

Energy from the sun reaches us by

radiation

what state a substance becomes a freezing point

solid

the ice cream is running down the cone

solid to liquid

_____ shine because their atoms release nuclear energy

stars

a machine that uses heat water to operate

steam engine

in the _____ months a metal bridge is likely to expand

summer

the earth's most important heat source

sun

A measure of how fast an objects particles are moving

temperature

A device that measures temperature

thermometer

a device that measures temperature

thermometer

the size of the particles whose movement creates heat

tiny

the first steam engine was used as a

toy

A _______is space without matter

vacuum

bubbles in boiling water is made up of water _____

vapor

one familiar material that does not contract when it gets cold is

water

cold air cannot hold as much ________ as warm air

water vapor