WorksheetsSTAAR 8th grade Reporting Category 2
Total questions: 47
Worksheet time: 39mins
Name
Class
Date
1.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
2.
If the net force is equal to zero, the forces acting on the object are
a)
balanced
b)
unbalanced
3.
Balanced forces do not change the objects speed or
a)
direction
b)
distance
c)
time
d)
mass
4.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
5.
What is defined as a push or pull?
a)
force
b)
motion
c)
vector
d)
speed
6.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact?
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
7.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
8.
Newton's 2nd Law of Motion gives us the formula, ____
a)
F = mv
b)
F = ma
c)
F = dt
d)
F = vt
9.
The tendency to resist a change in motion is called
a)
Net Force
b)
Gravity
c)
Inertia
d)
Balanced Forces
10.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move in both directions.
11.
What is the force of an object with a mass of 30 kg and an acceleration of 10 m/s2?
a)
300
b)
3
c)
20
d)
40
12.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
13.
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
a)
The Law of Inertia
b)
The Law of Acceleration
c)
The Law of Conservation of Momentum
14.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more inertia.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
15.
A soccer ball accelerates more than a bowling ball when thrown with the same force.
a)
Law of Inertia
b)
Law of Acceleration
c)
Law of Conservation of Momentum
16.
A student leaves a pencil on a desk and the pencil stays in the same spot until another student picks it up.
a)
Law of Inertia
b)
Law of Acceleration
c)
Law of Conservation of Momentum
17.
When you step on a Lego. You push on the Lego and the Lego pushes back on you.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
18.
Alan travels 100 km in 5hrs. Find his average speed in km/h
a)
5km/hr
b)
10km/hr
c)
50km/hr
d)
20km/hr
19.
Calculate the Net Force.
a)
60N, Left
b)
40N, Right
c)
0N
d)
60N, Right
20.
Calculate the Net Force.
a)
40N, Left
b)
40N, Right
c)
0N, Balanced
d)
75N, Right
21.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
22.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
60 n right
d)
50 N left
23.
A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
24.
Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours?
a)
55km
b)
32km
c)
43km
d)
32miles
25.
Describe the forces and motion at Section 2 of the track.
a)
Balanced forces, Constant Speed
b)
Balanced Forces, Acceleration
c)
Unbalanced Forces, Constant Speed
d)
Unbalanced Forces, Acceleration
26.
Where is the object not moving
a)
A-B
b)
O-A
c)
C-D
d)
B-C
27.
What was the total distance covered on the journey?
a)
24 meters
b)
55 meters
c)
24 seconds
d)
55 miles
28.
What is happening between points D and E?
a)
No Motion
b)
Acceleration
c)
Decceleration
d)
Going Fast
29.
What is the speed of the object at point A? *Distance/Time
a)
3 m/s
b)
12 m/s
c)
4 m/s
d)
6 m/s
30.
How fast is the object traveling at point D? *Distance/ Time
a)
1 m/s
b)
2 m/s
c)
1/2 m/s
d)
4 m/s
31.
Which person is doing more work?
a)
Left
b)
Right
c)
Both
d)
Neither; they are doing the same amount of work.
32.
Which person uses the greatest force on the barrel?
a)
Right
b)
Left
c)
Both
d)
Neither; they are doing the same amount of work.
33.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
34.
What kind of energy is in flowerpot sitting on a windowsill?
a)
Potential
b)
Kinetic
35.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
36.
Which point has the most potential energy?
a)
G
b)
f
c)
b
d)
a
37.
Which 2 letters have the most kinetic energy
a)
W & Y
b)
X & Z
38.
What kind of energy is in basketball passing through the hoop?
a)
Potential
b)
Kinetic
39.
What kind of energy is in a waving hand?
a)
Potential
b)
Kinetic
40.
Light is a form of __________ energy.
a)
Sound
b)
Electromagnetic
c)
Fun
d)
Thermal
41.
This is the energy that moved objects.
a)
cool
b)
nuclear
c)
chemical
d)
mechanical
42.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
43.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
44.
When you eat pizza, Chemical Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Mechanical
d)
Chemical
45.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
46.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
47.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________.
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
100 %
