energy
Name a type of energy that we have learned about?
heat, light, sound, electrical, mechanical, magnetic
The more heat energy an object has, the (more, less) movement the molecules have.
more
How does light energy travel?
straight line
Sound energy results when matter ____________.
vibrates
What kind of energy is the movement of electrons along a wire (circuit)?
electrical
How is potential energy different than kinetic energy?
potential is stored energy
kinetic is energy in motion
What units do we measure heat energy?
Fahrenheit
Light energy is white, but can be divided up into its individual colors. What colors make up white light?
red, yellow, orange, green,blue, indigo, violet
Sound travels in ______________.
waves
What type of energy is the attraction of objects made of iron to a magnet?
magnetic
Name an example of potential energy.
roller coaster at the top of a hill
light switch off
toy wound up and ready to move
What tool do we use to measure heat energy?
thermometer
Light can be reflected. What does that mean?
bounced back
Loud volume = (tall, short) waves
tall
All magnets have a ____pole and a _____pole.
north and south
Name an example of kinetic energy.
light switch on
fan running
bowling ball moving down the lane
What is a good conductor of heat energy?
metal and glass
Light can be refracted. What happens when light is refracted?
light is bent
Sound that bounces back is called an _________.
echo
Opposite poles (attract, repel)
attract
Potential and kinetic energy together is called...
mechanical energy
Name an insulator of heat energy.
wood, plastic, Styrofoam, wool
Light can be soaked into an object. What do we call that?
absorbed
Sound is measured in ___________.
decibels
Give an example of an object that uses electrical energy.
light, blender, computer