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WorksheetsDay 4 - 8th Grade Science STAAR Review THMS
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
Describe the movement of the box in between the two trucks pulling on it.
a)
It moves to the left at an increasing speed.
b)
It moves to the right at an increasing speed.
c)
It moves to the left at a constant speed.
d)
It moves to the right at a constant speed.
2.
Suppose you are riding a bicycle uphill and are pedaling at a constant speed. The force of your pedaling is equal to and opposite of:
a)
the force of gravity
b)
the force of friction between the tires and the road
c)
both the force of gravity and friction
d)
neither the force of gravity and friction
3.
What is the net force acting on this balloon?
a)
7 N to the right
b)
10 N to the right
c)
6 N to the left
d)
4 N to the right
4.
During a football game, a quarterback passes a ball through the air. What will happen to the ball as it is traveling in the air?
a)
It’s speed will decrease due to air friction.
b)
It’s speed will decrease due to its mass.
c)
It’s speed will increase due to the quarterback’s arm.
d)
It will travel at a constant speed the entire time.
5.
Frank drew the following chart using data from an experiment he conducted on a toy car. At what point does the car have an unbalanced force acting on it?
a)
5s
b)
15 s
c)
25 s
d)
35 s
6.
Which of the following scenarios is an example of an unbalanced force?
a)
a car traveling constantly at 50 mph
b)
a golf ball being hit with a club
c)
a big truck stopped at a red light
d)
a satellite orbiting the earth
7.
Sara is investigating how the slope of an incline will affect the amount of unbalanced force acting on a marble. She sets up her experiment similar to the illustration below.
How will Sara change the variable in the experiment?
How will Sara change the variable in the experiment?
a)
use a marble of different mass
b)
change the surface material of the incline
c)
change the slope of the incline
d)
adjust the temperature in the room
8.
A rocket has a downward force of 1 N due to gravity and an upward force of 1 N. The rocket is:
a)
launching and accelerating upward
b)
reaching the peak of its traveled height
c)
increasing its speed as it is falling
d)
accelerating either upward or downward
9.
Capt. Sanchez announces to the passengers on his airplane they are traveling at 300 mph 950 eastbound. He is describing the ___________________ of the airplane.
a)
velocity
b)
speed
c)
direction
d)
acceleration
10.
Annabelle walks to school every day from her house. The diagram below shows the distance from her house to school measured in 1 km increments. If it takes her 30 minutes to walk to school, what was her average speed?
a)
4 km/hr
b)
7.5 km/hr
c)
8 km/hr
d)
0.13 km/hr
11.
Samuel throws a ball into the air 20 meters. It reaches the top of its flight at 2 seconds and hits the ground at 4 seconds? What was the ball’s average speed on the way down?
a)
5 m/s
b)
10 m/s
c)
20 m/s
d)
40 m/s
12.
A train is traveling away from you at a constant speed. What would a distance-time graph look like for this train?
a)
A
b)
B
c)
C
d)
D
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