WorksheetsEnergy Forces and Motion
Total questions: 77
Worksheet time: 40mins
Name
Class
Date
1.
What is the force that slows down or eventually stops an objects motion?
a)
Gravity
b)
Push
c)
Motion
d)
Friction
2.
Which word describes a push or pull on an object?
a)
Position
b)
Hypothesis
c)
Mass
d)
Force
3.
A polar bear slides down an ice covered hill. As he slides, he slows down. Eventually he comes to a stop. What force acts on an object to slow or stop its motion?
a)
Speed
b)
Friction
c)
Gravity
d)
Direction
4.
A student drops a ball from shoulder height. The ball bounces 5 times before coming to a stop. What force causes the ball to fall to the ground?
a)
Friction
b)
Magnetism
c)
Position
d)
Gravity
5.
When conducting an experiment, in order to get reliable results, it is important to:
a)
Disregard results that do not match your hypothesis
b)
Test many different variables at the same time
c)
Test all forces at the same time
d)
Repeat the investigation several times
6.
Looking at the picture, what two tools would be needed to measure the effect of friction on the ball?
a)
Hand lens and balance
b)
Balance and spring scale
c)
Measuring tape and stop watch
d)
Spring scale and hand lens
7.
Students wrap a copper wire around an iron nail and connect the ends of the wire to the battery. The nail attracts other small nails and paper clips as they stick together. What force is being observed?
a)
The students are observing the force of gravity.
b)
The students are observing the force of friction.
c)
The students are observing the force of magnetism.
d)
The students are observing the force of electricity.
8.
When objects remain in the same place, it is called...
a)
gravity
b)
friction
c)
balanced force
d)
unbalanced force
9.
What is a force?
a)
a push or pull
b)
speed or acceleration
c)
potential or kinetic energy
d)
balanced or unbalanced force
10.
When an object has potential energy, it is not moving.
a)
true
b)
false
11.
Speed can be found my calculating...
a)
acceleration/velocity
b)
friction/gravity
c)
momentum/time
d)
distance/time
12.
Kinetic energy is when....
a)
energy is stored up in an object
b)
energy is released and the object moves
13.
Force is measured in....
a)
Galileos
b)
Newtons
c)
Di Vincis
d)
Einsteins
14.
An unbalanced force is when objects move in one direction because the force is greater from that direction.
a)
true
b)
false
15.
When an object is getting faster, it is called....
a)
potential energy
b)
kinetic energy
c)
acceleration
d)
deceleration
16.
Inertia is....
a)
for every action, there is an equal and opposite reaction
b)
larger objects take more force to move
c)
an object in motion tends to stay in motion unless acted on by an opposite force
d)
a push that acts in the opposite direction and it slows down.
17.
Friction helps objects to move easier.
a)
true
b)
false
18.
John walks at 5 km in 10 minutes. If John walk s 2.5 km at the same speed, what is the BEST estimate of the time this will take?
a)
5 minutes
b)
10 minutes
c)
15 minutes
d)
20 minutes
19.
Hanna's mom drives north for 2 hours going 70 miles per hour. She then drives west for 3 hours going 50 miles per hour. how many miles has Hanna's mom driven?
a)
200 miles
b)
250 miles
c)
290 miles
20.
A car takes 3 hours to travel180 miles at a constant speed. How fast is the car traveling?
a)
30 mph
b)
50 mph
c)
60 mph
d)
90 mph
21.
A news truck traveled 60 miles in one hour on Thursday and 250 miles in four hours on Friday. Which BEST describes the average speed of the truck?
a)
the truck drove more slowly on Friday
b)
the truck drove more slowly on Thursday
c)
the truck drove the same speed on both days
22.
What causes 2 magnets to attract?
a)
Both poles are north
b)
They are opposite poles
c)
Both poles are south
d)
There are no poles
23.
Which is true about energy?
a)
Energy can cause motion
b)
Energy cannot be stored
c)
Energy can be destroyed
d)
Energy cannot be stored
24.
What type of energy is shown in this picture?
a)
light energy
b)
mechanical energy
c)
wind energy
d)
sound energy
25.
What kind of energy does this roller coaster car have because it is in motion?
a)
chemical energy
b)
light energy
c)
mechanical energy
d)
electrical energy
26.
What type of energy does this give off?
a)
only light
b)
only heat
c)
only electrical
d)
both light and heat
27.
What is the value of g on Earth?
a)
9.81 m/s^2
b)
9.81 N
c)
9.81 m
d)
9.81 s/m^2
28.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
29.
Which of the following is a unit of energy?
a)
Kilowatts
b)
Grams
c)
Meters per Second
d)
Joules
30.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
31.
The momentum of an object depends upon the object's ___________&_____________.
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
32.
Bobbie is playing with his radio"controlled car by using a handheld remote box.
What type of energy is being used to power Bobbie's car?
What type of energy is being used to power Bobbie's car?
a)
chemical energy
b)
electrical energy
c)
heat energy
d)
mechanical energy
33.
Latisha notices that when she rubs her hands together, they feel warm.
Which of the following is the best explanation for why this happens?
Which of the following is the best explanation for why this happens?
a)
energy is reflected into her hands
b)
heat energy is produced by the friction
c)
light energy of the Sun heats her hands
d)
energy is absorbed from the air molecules by her hands
34.
Which graph best represents a graph of a car travelling down a freeway at a CONSTANT speed?
a)
A
b)
B
c)
C
d)
D
35.
The net force of the following diagram is
a)
620N→
b)
To the right→
c)
20N←
d)
balanced↔
36.
How are speed and velocity different?
a)
Speed includes direction
b)
Speed indicates momentum
c)
Velocity includes Momentum
d)
Velocity includes direction
37.
Roller coasters use potential and kinetic energy to move carts around the track. Which selection below organizes the points of potential energy from GREATEST to LEAST?
a)
6,4,1
b)
1,4,6
c)
2,3,5
d)
5,3,2
38.
Potential energy refers to objects that have ________________________ .
a)
changing chemically
b)
stored energy
c)
in motion
d)
changing electrically
39.
What kind of energy does the big rock hold?
a)
kinetic
b)
chemical
c)
potential
d)
nuclear
40.
What kind of energy does the skateboarder represent?
a)
potential
b)
chemical
c)
nuclear
d)
kinetic
41.
If a lizard can run 8m across the water in 4 seconds, how fast is he travelling?
a)
32 m/s
b)
2 seconds
c)
2 m/s
d)
34 meters
42.
This game of tug of war is an example of _________ forces.
a)
unbalanced
b)
balanced
c)
potential
d)
net zero
43.
This motion graph represents:
a)
constant speed
b)
acceleration
c)
body at rest
d)
slowing down
44.
This motion graph represents:
a)
constant speed
b)
acceleration
c)
body at rest
d)
slowing down
45.
This motion graph represents:
a)
constant speed
b)
body at rest
c)
acceleration
d)
slowing down
46.
In this distance versus time graph...
a)
The green line is "faster"
b)
The red line is "faster"
c)
The green line is slowing down
d)
The red line is speeding up
47.
Juan and Antonio competed in a 4 mi bike race. Who won?
a)
Kristen Lodge
b)
Juan
c)
Antonio
d)
Ms. Jackson
48.
What was Juan's average speed?
a)
0.3 mi/min
b)
3.25 mi/min
c)
4 mi/hr
d)
4 hours
49.
Which racer was stationary (at rest) for part of the race?
a)
Antonio, because the horizontal line indicates "at rest"
b)
Juan, because the horizontal line indicates "at rest"
c)
Antonio, because his line is straight
d)
Juan, because he was faster
50.
How do you calculate Average Speed?
a)
speed x time
b)
distance/speed
c)
total distance/total time
d)
total speed x total time
51.
The Law of Conservation of Energy states that
_____________________________________.
_____________________________________.
a)
All types of energy are the same.
b)
Once energy is used, it is gone.
c)
The rate of gravity on Earth stays the same.
d)
Energy can neither be created nor destroyed.
52.
The force of gravity will _____________as objects become farther apart.
a)
decrease
b)
increase
53.
Two factors that affect the rate of gravity are ____________.
a)
distance and mass
b)
weight and resistance
c)
location and speed
d)
position and friction
54.
What remains the same regardless of your location?
a)
mass
b)
weight
c)
attitude
d)
memory
55.
What did these glow sticks possess prior to being activated?
a)
chemical energy
b)
chemical potential energy
c)
kinetic energy
d)
elastic potential energy
56.
a)
Energy transformations
b)
Energy conservations
57.
What does the food represent?
a)
chemical energy
b)
kinetic energy
c)
heat energy
d)
potential energy
58.
a)
chemical >>electrical>>light
b)
potential>>chemical>>light
c)
electrical>>light, heat, sound
59.
a)
electrical>>light, heat and sound
b)
chemical potential>>electrical
c)
electrical>>kinetic
60.
The flow of electric charges is
a)
voltage
b)
current
c)
resistance
d)
electricity
61.
A PATH along which electricity can flow is a ___________________?
a)
light bulb
b)
switch
c)
insulator
d)
circuit
62.
If an object has more positive than negative charges, its electrical charge is...
a)
positive
b)
negative
c)
neutral or no charge
d)
opposite
63.
If an object has more negative charges than positive charges, its electrcial charge is...
a)
positive
b)
negative
c)
neutral or no charge
d)
opposite
64.
Atoms may have protons which carry a...
a)
positive charge
b)
negative charge
c)
neutral or no charge
d)
opposite
65.
If an object has the same number of positive and negative charges, its electrical charge is...
a)
positive
b)
negative
c)
neutral or no charge
d)
opposite
66.
Atoms may have electrons which carry a...
a)
positive charge
b)
negative charge
c)
neutral or no charge
d)
opposite
67.
Static means...
a)
not moving
b)
moving slowly
c)
moving quicky
68.
One example of static electricity is...
a)
rain
b)
thunder
c)
lightning
69.
Two objects that have opposite charges will...
a)
attract
b)
repel
c)
not move
70.
Two objects that have the same charges will...
a)
attract
b)
repel
c)
not move
71.
Rubbing a balloon on hair is an example of static charge build up created by....
a)
conduction
b)
friction
c)
induction
d)
hairduction
72.
What type of friction is not moving?
a)
static
b)
sliding
c)
fluid
d)
rolling
73.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
74.
Swimming fish experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
75.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
76.
a)
Static
b)
Sliding
c)
Rolling
d)
Fluid
77.
a)
He is holding on tight
b)
People should not climb it is a dangerous sport
c)
Static Friction
d)
He will fall in a minute
100 %
