What is the rapid, back and forth motion of air or other matter?
Vibration.
100
What is energy carried by electricity?
Electrical Energy.
100
Is foil opaque, translucent, or transparent?
Opaque.
100
T/F: Sound energy travels in waves that move only through matter.
True.
200
What is the energy an object has because it's in motion?
Kinetic Energy.
200
What is stored energy or energy an object has due to position?
Potential Energy.
200
When you play a radio, electric energy changes to what?
Sound Energy.
200
Do dogs have a wider or shorter range of hearing than people?
Wider.
200
T/F: Kinetic energy is the energy of electricity.
False, it's the energy of motion.
300
What is the number of waves passing a point in one second?
Frequency.
300
The energy produced when atoms split or join, is called what?
Nuclear Energy.
300
When you use a fan, electric energy changes into what?
Mechanical Energy.
300
Do larger objects vibrate more slowly or quickly?
Slowly.
300
T/F: Potential energy can never change to kinetic energy.
False, potential energy can change to kinetic energy.
400
What are two examples of energy that are carried by waves?
Sound Energy & Radiant Energy.
400
What is energy of the movement of atoms and molecules?
Thermal Energy.
400
When do you have the least amount of kinetic energy on a roller coaster?
At the top of a hill.
400
Do gamma rays have a short or long wavelength?
Short.
400
T/F: The potential energy of a bicycle stopped at the top of a hill, is low.
False, potential energy is stored, and when you aren't moving, there is energy stored within.
500
What is the only radiant energy humans can see?
Visible Light.
500
What is energy stored in the way atoms are connected to each other?
Chemical Energy.
500
What are seven forms of energy?
Sound energy, electrical energy, mechanical energy, chemical energy, nuclear energy, radiant energy, and thermal energy.
500
How is white light formed?
All colors of visible light mix together.
500
T/F: Out of sound energy, electrical energy, mechanical energy, chemical energy, nuclear energy, radiant energy, and thermal energy, sound energy and radiant energy are the only types that travel in waves.