Energy
T or F. Energy cannot be created or destroyed
True
Fill in the blank. When you rub your hands together you convert mechanical energy into _______ energy.
What is heat/thermal energy.
What are the three forms of heat transfer?
What is conduction, convection, and radiant.
What type of gases help trap heat in the atmosphere?
Greenhouse Gases
Turn on a light switch.
Electrical -> Radiant/thermal
What is it called when energy changes from one form to another.
Energy Transformation.
What is electric.
Fill in the blank. _______ is the transfer of heat from one object (solid) to another through direct contact.
Conduction.
The amount of greenhouse gases in the atmosphere can trap heat making the earth ________________.
What would the energy transformation be:
A fire burning coal to cook hotdogs, and someone eats the hotdog.
Chemical -> Thermal/Radiant -> Chemical
List 2 types of renewable energy resources.
Wind, Solar, Water(Hydroelectric)
Fill in the blank.
The breaking of chemical bonds. Food, fuel, and batteries are examples of _______ energy.
What is chemical.
Fill in the blank. The movement of heat through fluid(liquid or gases) where warm air particles rise and cooler particles sink is called ____________.
Convection
Fill in the blank.
The earth is ___________ heated by the sun, which causes weather and climate changes.
Unequally
What would the energy transformation be:
A musician playing a guitar.
Mechanical -> Sounds
What are the 3 types of fossil fuels.
This energy can be potential or kinetic, it has to do with movement and usually has moving parts.
Mechanical energy.
Heat energy that is transferred through waves.
Radiation
The earth has an atmosphere that traps ________ energy.
Radiant
What would the energy transformation be:
Someone eating a hamburger -> Running a race
Chemical -> Mechanical/Thermal
Where does all energy originate from?
The Sun
The energy carried by waves and is the only energy that we can visibly seen.
Radiant energy
What type of heat transfer causes clouds to form?
The suns radiant energy is either __________ or radiated by the earth surface.
Absorbed
What would the energy transformation be:
A wind mill generating electricity.
Sun -> Wind -> Wind Mill -> Power Stations
Radiant -> Thermal -> Mechanical -> Electrical