Energy 1
____________is sum of kinetic and potential energy of particles that make up an object.
Thermal Energy
The movement of thermal energy from a warmer object to a cooler object is known as _______.
Heat
The average kinetic energy of the particles that make up a material is its ____________.
temperature
___________involves addition of thermal energy.
Heating
Transfer of thermal energy by electromagnetic waves is called _____________
Radiation
Energy sources that are constantly being replenished are called ______________.
Renewable Energy Resources
Name two categories of non renewable energy resources.
Fossil Fuels and Nuclear Energy
_____________is used to measure temperature.
Thermometer
___________involves losing of thermal energy.
Cooling
Material through which thermal energy flows easily is called____________.
Conductor
Name 5 Renewable Energy Resources.
Solar, Wind, Hydroelectric, Biomass, Geothermal
True or False. Heat and thermal energy are the same thing.
False
___________ happens to a material's volume when the temperature increases.
Thermal Expansion
Warm air rises and cold air sinks during ___________.
Convection
Transfer of thermal energy between materials by collision of particles is called___________ .
Conduction
The Three ways thermal energy is transferred are...
Radiation, Conduction, Convection
In order to have heat, an object must have ____________
thermal energy
Inside a room, the air is often warmer near the ceiling than near the floor. Which of the following accounts for this difference in temperature?
Convection
X Rays and Infra Red Rays are ______________
Electromagnetic Waves
Radiation is the only way thermal energy can travel from the sun to the earth. This is because ___________
Space is a Vacuum
____________is transfer of thermal energy by collision between particles.
Conduction
Nuclear __________is used to harness energy in nuclear power plants.
fission
The lowest possible temperature for any material ______Kelvin
Zero
What are the three principles on which a thermometer works.
Thermal Expansion
Thermal Contraction
Thermal Equilibrium
Give three examples of Thermal Expansion
Railroads
Bridges
Thermometer
Electrical Wires