Download Light energy- form of energy that travels in

Light energy- form of energy that travels in waves and visible with the eye
Heat energy- form of energy created by motion of molecules, also called thermal
Solar energy- energy from the sun, contains light and heat
Heat transfer- transition of thermal energy from a heated item to a cooler item
Sun- a star that produces energy in the form of sunlight
Solar collector- device for extracting the energy from the sun into a more usable or
storable form
Absorb- to soak up and keep
Geothermal- heat that comes from within the Earth
Electrical energy- form of energy created by charged particles, can flow in a circuit or
can be static
Sound energy- energy that travels in waves and is created by a vibration, detected by the
ear
Mechanical energy- made up of two types- potential and kinetic
Potential- energy that is stored in an object
Kinetic- the energy of motion
Shadow- is the dark area created by an object that blocks light
Reflect- the bouncing back of light waves when they hit a surface
Refract- bending of light when it passes from one substance to another
Green house effect- the process of Earth’s atmosphere trapping heat near Earth’s surface
Seasons- four natural divisions of the year, fall, winter, spring, summer
Fossil fuel- a non-renewable fuel formed from decayed remains of plants and animals
(coal, oil, natural gas)- a form of chemical energy
Renewable- a resource which can be easily reproduced by nature
Non-renewable- a resource that is not easily reproduced or replaced
Fuel cell- an object that stores chemical energy that can be converted into other forms
Atmosphere- the air that surrounds the earth, made of many different gases
Compass- a tool which uses the magnetic poles to find direction
Thermometer- a tool used to measure temperature
Hydro- having to do with water
Corona- shining outer layer around the edges of the sun
Orientation- where an object is positioned