Science Test - Energy Flashcards
Energy that travels as light
light
Energy that travels in such a way that you can hear it
sound
The total potential and kinetic energy of an object
mechanical
Energy that is stored or waiting to be used
potential
Energy that comes from chemical reactions
chemical
Energy that is in motion
kinetic
Energy that moves from hot objects to cooler objects
heat
Energy that happens when gravity makes something move or fall
gravitational
Energy that flows through wire
electrical
_____ is the ability to do work
energy
If a girl who is sitting down begins to run, ____ energy will transform into ____ energy
Potential; kinetic
____ is a liquid fossil fuel used to make gasoline
oil
____ is a gas fossil fuel that makes fewer pollutants than coal
Natural gas
____ is a solid fossil fuel made from plants that lived long ago
coal
____ is a form of chemical energy that can be burned to make heat
fuel
Why does your leg feel cold after you apply an ice pack?
a. heat from your leg goes to the ice
b. cold from the ice goes to your leg
c. ice is a good conductor
d. ice is a good insulator
a. heat from your leg goes to the ice
Why is a wooden spoon a good insulator?
a. It can easily pass along heat.
b. It does not let heat easily flow through it
c. It makes heat when burned
d. both A and C
b. It does not let heat easily flow through it
Why is a metal spoon a good conductor?
a. It can easily pass along heat
b. It does not let heat easily flow through it
c. It makes heat when burned
d. It keeps cold things cold and hot things hot.
a. It can easily pass along heat
When you run a long distance and feel warm, you have transformed kinetic energy into ____ energy
heat
Jessie and Juile pour soup that is 65C from the same pot into two separate thermoses. Later in the day, the temperature of Julie’s soup is 50C and the temperature of Jessie’s soup is 40C. Which of these is true?
a. Jessie’s thermos is a better conductor
b. Julie’s thermos is a better conductor
c. Jessie’s thermos is a better insulator
d. Julie’s thermos is a better insulator
d. Julie’s thermos is a better insulator
How are electric charges similar to magnets?
a. Magnets and electric charges are both formed by lightning
b. Magnets and electric charges both make static electricity.
c. Unlike magnetic poles and electric charges are attracted to each other, but like poles and charges are pushed away from each other.
d. all of these
c. Unlike magnetic poles and electric charges are attracted to each other, but like poles and charges are pushed away from each other.
Which of these is a reason to conserve energy?
a. it saves money
b. There is only a certain amount of fossil fuels
c. Using fossil fuels can pollute the environment
d. all of these
d. all of these
Which of these is a non-renewable energy resource?
a. wind
b. fossil fuels
c. water
d. sunlight
b. fossil fuels
Which of these is a result of using renewable energy resources?
a. It helps to conserve energy
b. It makes more pollution
c. It causes fossil fuels to be used more often
d. all of these
a. It helps to conserve energy
