Energy is a _________ that makes changes in matter.
What is a force?
Energy at rest.
What is potential energy?
These cause sound to be produced.
What are vibrations?
When light bounces off a shiny surface like glass or a mirror it is__________.
What is reflected?
The main source of natural heat energy of our solar system.
What is the sun?
The tiny particles that make up matter.
What are atoms/molecules?
Energy of motion.
What is kinetic energy?
What is how high or low a sound is?
Light gets ABSORBED and does not go through these types of objects.
What is opaque?
Heat energy moves from ________ to cold objects.
What is hot?
Energy can change from one ______ to another.
What is form?
What is mechanical energy?
Loud volume sounds have ____________ energy.
What is more energy?
Light that bends.
What is refracted?
When heat travels through empty space (like traveling 93 million miles) it's called this.
What is radiation?
When we eat food it has this type of stored or potential energy that our bodies need to use.
What is chemical energy?
TWO types of energy that travel in waves.
What are sound and light energy?
Sound waves that bounce off objects back to the source it came from is called an ________.
What is an echo?
The only type of light wavelengths we can see.
What is the visible spectrum?
Upper levels of buildings becoming hotter from the lower ones (through gas) is an example of _______.
What is convection?
The rule that energy cannot be created or destroyed is known as this ________.
What is the Law of Conservation of Energy?
The sun is a natural source of these TWO types of energy.
What is light and heat?
Low pitch sounds created vibrations that are this speed _________.
What is slow/ low energy?
Light energy travels through these TWO things.
What are matter and space?
Food getting hot inside of a pot on a stove (through solids) is an example of __________.
What is conduction?