True or False?
Potential energy is energy of motion?
What is false?
100
Energy cannot be ____________ or __________ so it always stays the _________ in a closed system.
What is created, destroyed, and same?
100
If I rub a balloon in my hair, it sticks or attracts because ___________.
What is the hair and the balloon are oppositely charged so they attract each other?
100
We see objects because the light hits the object and _____ into our eyes.
What is reflect?
100
A sound wave is a __________ wave and requires a _____.
What is mechanical and medium?
200
Kinetic energy is greatest on a roller coaster at the ____.
What is the bottom of the first and largest hill?
200
If you ride a bicycle to power a light bulb, the energy transformations that take place are _____ to _____ to ____.
What is Mechanical to electrical to radiant?
200
A _________ circuit is in a single loop and a __________ circuit has different branches to connect each load individually.
What is a series circuit and a parallel circuit?
200
A brick wall is _________ because you can't see through it.
What is opaque?
200
You can tell a sound is louder if it has a greater __________ or __________.
What is amplitude or wave height.
300
Potential energy is the greatest on a roller coaster at the ________.
What is the top of the first and largest hill?
300
You can tell heat is being transferred by convection because _______.
What is it occurs in a liquid or gas AND usually there are arrows that form a circle to show the rise and fall of the heated particles?
300
If you use a rubber eraser to complete a circuit then it will __________ because it is an _____________.
What is not work because it is an insulator?
300
In the Electromagnetic Spectrum, each type of wave has a different wavelength and frequency. They affect each other because when one ___________ the other will ______________.
What is increase and decrease?
300
You can tell a wave has a higher frequency by looking at the _________.
What is number or how many?
400
_________, ___________, and __________ are the three types of heat/thermal energy transfer.
What is conduction, convection, and radiation?
400
When energy changes form, a little bit always becomes ________ energy.
What is heat or thermal energy?
400
The difference between a regular magnet and an electromagnet is a ____________.
What is a power source?
400
When light bends in a new medium, like a prism making a rainbow it __________.
What is refracts?
400
Because of the Doppler Effect, when a siren comes toward you it has a ________ pitch and frequency.
What is higher?
500
Potential energy + Kinetic energy = ________________.
What is mechanical energy?
500
When a chemical reaction takes place and heat or fire is produced, the heat comes from _______.
What is the chemical energy in the reactants?
500
The greatest advantage of a parallel circuit is __________.
What is each load can be turned on and off separately so that when one goes off the others stay on?
500
A nearsighted person can't see __________ and needs a ________ lens to correct their vision.
What is close up and concave?
500
Because of the Doppler Effect, a siren has a ________ frequency and pitch as it moves away from you.