Vocabulary 1
The process through which air or liquid is continually warmed and circulated
Convection current
Lower
How does heat travel by conduction?
Heat travels by conduction when two objects are touching
________ is the temperature at which energy cannot get any lower.
Absolute zero
The Fahrenheit temperature scale is used ___________
Only in the United States.
The transfer of heat by electromagnetic waves
Radiation
A/an ___________ is any material that energy cannot be easily transferred through.
Insulator
In what states of matter does convection happen?
Convection happens in liquids and gases.
_____________ always moves from a warmer object to a colder object.
Heat
Water boils at __________ degrees and freezes at _____________ degrees.
212 degrees
32 degrees
The transfer of heat by moving warm air or liquid
Convection
Energy that transfers from one object to another because of a temperature difference is called ______.
Heat
How is radiation different from conduction and convection?
Radiation is different because it does not involve the movement of matter.
Particles in a __________ have a high amount of kinetic energy and a high temperature.
Gas
Water boils at 100 degrees _________
Celsius
The transfer of energy from one object to another through direct contact.
Conduction
Temperature is a measure of the average _________ energy of the particles in a substance.
Kinetic
Even objects that exists below __________, particles are moving and have kinetic energy.
Freezing
What happens to a liquid or gas as it is heated?
When a liquid or gas is heated, it expands and rises.
The sun heats by ____________
Radiation
Any material that energy can be easily transferred through
Conductor
Atoms and molecules in a substance are always ___________
moving
Atoms and molecules in a substance are always ___________
moving
Answers will vary.
The ______________ temperature scale is used in the United States.
Fehrenheit