All About Energy
Joules are a unit that measures ______
Energy
___ is the ability to do work
Energy
The main source of light energy on Earth comes from where?
The Sun
____ is the form of moving molecules
____ the movement of of energy through a substance in waves.
Sound Energy
____ is energy that cannot be replenished fast, _____ is energy that can be replenished fast
Nonrenewable and Renewable
What are the two main forms of energy
Kinetic and Potential Energy
____ is the bouncing back of light waves
Reflection
____ is a measurement of how fast molecules and atoms are moving
Temperature
____ is a measurement of sound (how fast and slow sound waves move)
Frequency
Lightening is a form of _____
Electrical Energy
____ is the bending of light
Refraction
____ when heat travels through the air in invisible waves.
Radiation
No
Humans use ____ energy that is stored in food
Chemical
____ is the energy that is released from stored matter, moving energy
Kinetic Energy
Light energy is the form of energy that moves in ____
Light Waves
_____ occurs when heat is transferred through a gas or liquid as the hotter material moves to a cooler area.
Convection
Sound energy is produced when a force causes an object to ____
Vibrate
____ energy that is stored in the nucleus of an atom. (Power plants use this, requires Uranium and Plutonium)
____ is the energy that is stored, not moving
Potential Energy
Red light has the ____ wavelength, where violet has the ______ wavelength
____ happens when something hot touches something cooler, causing heat from the hotter object to travel to the cooler object.
Conduction
____ is a measure of how high or low something sounds and is related to the speed of the vibrations that produce the sound.
Pitch