Fill in the Blank
A blue book ___________ blue light that strikes it.
A. colors
B. absorbs
c. reflects
d. shadows
c. reflects
A car moves when the stored energy in gasoline changes to kinetic energy. What is this stored energy called?
chemical energy
A guitar is making a loud sound; you might say that the sound vibrates with a lot of ___________.
energy
What is thermal energy?
the energy of moving particles in matter.
Give an example of electrical energy.
lamp, T.V., toaster, radio, telephone, microwave
A banana is the color yellow because ______________.
A. it absorbs the color yellow.
B. It refracts all the color yellow.
C. It reflects all colors except yellow.
D. It absorbs all colors except yellow.
D. It absorbs all colors except yellow.
What is a conductor? Give an example.
A material through which electric charge moves easily. ex. copper, silver, gold, aluminum
Why does a violin have a higher pitch than a cello?
The cello has longer, thicker strings causing it to have a lower pitch.
energy we can see!
Give an example of mechanical energy.
bicycle, toothbrush, hairbrush, stroller, rocking chair etc.
When the sun is in the western sky, your shadow stretches to the ___________.
stop the movement of electric charge. Ex. plastic, rubber, wood or glass
How is the path of light hitting a mirror different from the path of light going through a water droplet?
Light reflects off the mirror. Light refracts as it passes through the water droplet.
What is a mechanical energy?
energy that motion or position gives to an object.
Jack's mom lit some candles for the dinner table. Which two forms of energy does the fire from the candle give off?
light and heat
I use ________________ when I run.
A. potential energy
B. kinetic energy
B. kinetic energy
A circuit with no gaps or breaks is called a __________________.
closed circuit
How would you describe the pitch of a guitar that strings are vibrating slowly?
low pitch
What is energy?
the ability to do work or cause change.
What is an electric circuit?
the path that electric current flows through
Most objects that give off light, also give off _______________.
heat
A circuit with a broken path is called a(n) __________________.
open circuit
What happens if two objects with opposite charges are near each other?
The two objects will attract each other.
What is sound energy?
energy you can hear!
What are you going to get on your Science Test?
A 100% BECAUSE I AM SUPER SMART! :)