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WorksheetsScience STAAR- Physics Review
Total questions: 40
Worksheet time: 21mins
Name
Class
Date
1.
The combination of all of the forces acting on an object is called ________________________.
a)
Unbalanced Force
b)
Net Force
c)
Balanced Force
d)
Force
2.
If the forces acting on a moving object are balanced, what will the object do?
a)
The object will remain motionless.
b)
The object will travel in the direction of the greater force.
c)
The object will travel in the same direction at the same velocity.
d)
The object will travel in the opposite direction at the same velocity.
e)
The object will slow down to a stop.
3.
If the forces acting on an object at rest are balanced, what will the object do?
a)
The object will travel in the direction of the greater force
b)
The object will remain at rest
c)
The object will travel in the direction of the opposite force
d)
The object will remain at test
4.
Force is measured in:
a)
Newtons
b)
Jewels
c)
Joules
d)
Fig Newtons
5.
How does friction affect the speed of a moving object?
a)
Friction speeds up the motion of the objects
b)
Friction slows down the motion of objects
6.
a)
16 N
b)
14 N
c)
15 N
d)
17 N
7.
A student applies 2 Newtons of force to a toy car causing it to accelerate at a rate of 10 m/s2. What is the mass of the toy car in kg?
a)
2 kg
b)
.2 kg
c)
.02 kg
8.
What is speed?
a)
Speed is the time traveled in a certain distance
b)
Speed is the distance an object travels in a given amount of time
c)
Speed is the total distance and direction
9.
Which of the following is an example of velocity?
a)
15 m/s downhill
b)
15 mph
c)
A flock of geese flying at 55 mph
d)
A rollercoaster slowing down as it travels uphill
10.
Which of the following is an example of acceleration?
a)
A rollercoaster slows down as it travels uphill
b)
A cyclist travels 40 kilometers in 2 hours
c)
A flock of geese flies north at 55 mph
d)
An athlete can run about 12.5 km/hr
11.
A car travels 2.5 hours in a northerly direction for 300 km. Determine the car’s speed and velocity.
a)
125 km/hr South
b)
125 km/hr North
c)
120 km/hr South
d)
120 km/hr North
12.
Inertia is the tendency of an object:
a)
To keep moving
b)
To stay at rest
c)
To resist a change in motion
13.
Which of the following formulas are incorrect?
a)
F=MxA
b)
M= F/A
c)
A= F/M
d)
M= A/F
14.
If a team pulls with a combined force of 9000 N on an airplane with a mass of 30,000 kg, what is the acceleration of the airplane in m/s2?
a)
3 m/s2
b)
30 m/s2
c)
.3 m/s2
d)
.03 m/s2
15.
The shopping charts shown above are pushed down with the same amount of force. Which cart has the greatest change in speed? (click the question to see image)
a)
Tennis racket and ball cart
b)
Variety of sport balls cart
c)
2 bowling balls cart
16.
True/False:
In science, for “work” to be performed, a force must be used to move an object. Regardless of how much force is being used, if no movement occurs, no work is done.
In science, for “work” to be performed, a force must be used to move an object. Regardless of how much force is being used, if no movement occurs, no work is done.
a)
True
b)
False
17.
Work=
a)
Friction X Distance
b)
Joules X Friction
c)
Distance/Force
d)
Force X Distance
18.
Work is measured in
a)
Jewels
b)
Joules
c)
Newtons
19.
A man pushes against a beach ball with 20 Newtons of force. The ball does not move. How much work is he doing?
a)
0 Joules
b)
20 Joules
c)
0 Newtons
d)
20 Newtons
20.
a)
Example #1: 12 J; Example #2: 14 J
b)
Example #1: 12 J; Example #2: 12 J
c)
Example #1: 12 J; Example #2: 7 J
d)
Example #1: 12 J; Example #2: 6 J
21.
Which of the following results in the least amount of work being done?
a)
A dog carries a toy 2 m with a force of 1 N.
b)
A child moves a ball 3 m with a force of 4 N.
c)
A student pushes a book with a force of 5 N for 1 m.
d)
A coyote drags its prey with a force of 20 N for a distance of 5 m
22.
The kite flying in the wind is an example of __________ energy.
a)
Potential
b)
Kinetic
23.
The boy standing with a soccer ball is an example of __________ energy.
a)
Potential
b)
Kinetic
24.
The girl jumping rope is an example of __________ energy.
a)
Potential
b)
Kinetic
25.
The bee buzzing around the boy’s head is an example of __________ energy.
a)
Potential
b)
Kinetic
26.
At which point does the water in the waterfall have the greatest gravitational potential energy?
a)
Point 1
b)
Point 2
c)
Point 3
d)
Point 4
27.
As the rollercoaster moves from point Z to point Y, the potential energy _________ as the kinetic energy __________.
a)
Increases; increases
b)
Decreases; decreases
c)
Increases; decreases
d)
Decreases; increases
28.
As the rollercoaster moves from point Y to point X, the potential energy _________ as the kinetic energy __________.
a)
Increases; increases
b)
Decreases; decreases
c)
Increases; decreases
d)
Decreases; increases
29.
At which of the 4 points does the cart have the least potential energy?
a)
W
b)
X
c)
Y
d)
Z
30.
A diagram of a pendulum is shown to the left. The pendulum is released from Position 1. At which two positions will the pendulum’s potential energy equal its kinetic energy?
a)
1 and 2
b)
2 and 4
c)
3 and 4
d)
4 and 5
31.
__________ is energy that is stored and available to be used later
a)
Potential energy
b)
Kinetic energy
32.
____________________________________ is energy that an object has because of its motion.
a)
Potential Energy
b)
Kinetic Energy
33.
If an object travels 42 meters in 6 seconds, what is its average speed?
a)
6 m/s
b)
7 m/s
c)
48 m/s
d)
252 m/s
34.
In the graph to the right, how many kilometers has the object moved after 10 minutes?
a)
1 km
b)
1.5 km
c)
2 km
35.
In the graph to the right, how many kilometers has the object moved after 20 minutes?
a)
1 km
b)
1.5 km
c)
2 km
36.
In the graph to the right, how many minutes did it take for the object to move 3.5 kilometers?
a)
10 minutes
b)
20 minutes
c)
30 minute
d)
40 minutes
37.
The graph below shows the speed of a car traveling north over a 16 second time period. Based on the information in the graph, it can be concluded that in the first 8 seconds, the car is
a)
changing its direction
b)
accelerating at a constant rate
c)
climbing a steep incline
d)
experiencing less and less friction
38.
_________ states that energy cannot be created or destroyed, but only transformed into different forms
a)
Law of Conservation of Mass
b)
Law of Conservation of Energy
39.
What type of energy is being converted when a glow stick cracks?
a)
Chemical to light
b)
Light to mechanical
c)
Light to chemical
d)
Chemical to electrical
40.
What type of energy is being converted when a plant goes through photosynthesis?
a)
Chemical to light
b)
Light to mechanical
c)
Light to chemical
d)
Chemical to electrical
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