Font size
WorksheetsEnergy!
Total questions: 25
Worksheet time: 25mins
The major source of energy for Earth is the--
Moon
Ocean
Sun
Wind
A device that makes electricity by using chemical reactions, stores energy until it is needed
toaster
battery
flashlight
pencil sharpener
Electrical energy is changed to __________ in stoves, toasters, and ovens.
light energy
thermal energy
sound energy
kinetic energy
Sound is produced when a force causes an object or substance to ___?
stop
vibrate
listen
close
Sound is caused by?
light radiation
vibrations
heat waves
The faster an object moves, the ________ kinetic energy it has.
more
less
none of the above
same
Which of the following is an example of chemical energy being changed into kinetic energy?
Digested food giving you energy to jump.
A battery giving a flashlight energy to light up.
A hand hitting a drum making sound.
Two liquids mix together and get hot.
Which of these is not a source of chemical energy?
Spaghetti
The Sun
Battery
Gasoline
An example of potential energy could be...
an engine running
a kid jumping
unused matches
an electrical current
Kinetic energy is the energy of motion. It can also mean...
energy being used.
energy being stored.
Which situation is work not done?
lifting a 20 pound box off the floor
holding a 20 pound box above the floor
sliding a 20 pound box across the floor
changing the position of a box
Two factors that determine work are
force
acceleration
mass
distance
velocity
work transfers
force
energy
speed
mass
You do work only when you exert a force on an object and move it
work is a measurement of how much force is applied over a certain
distance
velocity
shape
size
