NEW
Font size
S
M
L
XL
WorksheetsEnergy
Total questions: 25
Worksheet time: 25mins
Name
Class
Date
1.
What is motionless energy called?
a)
kinetic energy
b)
potential energy
c)
gravity
d)
chemical energy
2.
Energy produces ____________. (best answer)
a)
power
b)
heat
c)
changes
d)
earthquakes
3.
The greatest impact on a object's potential energy is it's ________________.
a)
mass
b)
weight
c)
acceleration
d)
height
4.
A car's engine represents the following energy changes...
a)
chemical, thermal, and kinetic
b)
chemical, thermal, and potential
c)
potential, kinetic, and thermal
d)
chemical, potential, and kinetic
5.
What is the total amount of kinetic and potential energy called?
a)
G.P.E.
b)
mechanical energy
c)
gravity
d)
friction
6.
Which is not one of the four major groups of energy?
a)
chemical
b)
thermal
c)
potential
d)
electric
7.
Which of the following is defined as energy of motion?
a)
gravity
b)
G.P.E.
c)
potential
d)
kinetic
8.
Which of the following prevents or slows down energy transfer?
a)
friction
b)
mass
c)
weight
d)
gravity
9.
Which law below states that energy cannot be created or destroyed?
a)
conservation of mass
b)
conservation of energy
c)
inertia
d)
gravity
10.
Which two examples below represent chemical potential energy?
a)
heat and motion
b)
pistons moving and standing on a ladder
c)
gas and food
d)
burning fire and a flying bird
11.
Where is chemical energy stored?
a)
in molecules
b)
in atoms
c)
in the lab
d)
in bonds
12.
What kind of energy stretches and compresses?
a)
elastic
b)
chemical
c)
potential
d)
kinetic
13.
The __________ is a unit of measure in science for energy in food.
a)
calorie
b)
nutrients
c)
vitamins
d)
minerals
14.
The SI unit for energy is the ___________.
a)
kilogram
b)
joule
c)
meter
d)
newton
15.
Mechanical energy can change to thermal energy due to ______________.
a)
the loss of height
b)
the loss of motion
c)
friction
d)
gravity
16.
What is the G.P.E. of a scoreboard located 25 m above the floor with a mass 5000kg?
a)
1960 J
b)
19600 J
c)
122,500 J
d)
1,225,000 J
17.
A 5kg squirrel sits in a tree 20m from the ground. What is it's G.P.E.?
a)
980 J
b)
9800 J
c)
98000 J
d)
98 J
18.
A 10kg dog runs in a field at 15m/s. What is the dog's kinetic energy?
a)
125 J
b)
1,125 J
c)
11,250 J
d)
1,470 J
19.
A 25kg race car driver drives a 250kg car down a drag strip with a speed of 100m/s. What is kinetic energy of the car and driver?
a)
1,250,000 J
b)
137,500 J
c)
1,375,000 J
d)
13,750,000 J
20.
What causes you to stop after coasting on a bicycle?
a)
air resistance and sliding friction
b)
inertia
c)
friction and gravity
d)
friction and air resistance
21.
Which contain more energy per gram?
a)
fats
b)
carbohydrates
c)
proteins
22.
What reduces friction?
a)
air resistance
b)
water
c)
gravel
d)
sand
23.
What process below produces nuclear energy by breaking up uranium into smaller nuclei?
a)
fusion
b)
fission
c)
nuclear decay
d)
radioactivity
24.
What causes the kinetic energy of an object to increase?
a)
gravity and height
b)
mass and height
c)
mass and speed
d)
gravity and speed
25.
How does speed affect potential energy?
a)
keeps it the same
b)
very little
c)
increases it
d)
decreases it
Reset
