WorksheetsPhysical Science Practice Test
Total questions: 38
Worksheet time: 19mins
Name
Class
Date
1.
A(n) _____ is a possible explanation for an observation that can be tested.
a)
observation
b)
inference
c)
hypothesis
d)
prediction
2.
Using one or more of your senses to gain information is a(n) _____.
a)
observation
b)
inference
c)
hypothesis
d)
prediction
3.
An explanation of an observation that has been tested many times is a(n) _____.
a)
theory
b)
inference
c)
hypothesis
d)
prediction
4.
A logical explanation of an observation is a(n) _____.
a)
theory
b)
inference
c)
hypothesis
d)
prediction
5.
To keep an experiment fair, scientists keep many variables _____.
a)
constant
b)
independent
c)
dependent
d)
variable
6.
A _____ is a pull or a push.
a)
force
b)
friction
c)
gravity
d)
speed
7.
One way that a force can cause the change in an object's motion is to...
a)
do nothing.
b)
eat ice cream.
c)
start the object moving.
d)
shine on the object.
8.
When you type on the keys of your Chromebook you are using a
a)
pull
b)
push
c)
gravity
d)
friction
9.
A _____ moves an object closer to you.
a)
push
b)
pull
c)
friction
d)
cat
10.
How are a push and a pull alike?
a)
You can hear them both.
b)
They are both names of cats.
c)
You can do them both at the same time.
d)
They are both forces.
11.
What force moves an object away from you?
a)
pull
b)
push
c)
gravity
d)
Jedi force
12.
Another way that force can cause the change in an object's motion is to...
a)
change its color.
b)
change its pitch.
c)
change its direction.
d)
change its spots.
13.
_____ is the force that slows and stops motion between touching objects.
a)
Friction
b)
Gravity
c)
Pull
d)
Push
14.
Which has the least friction?
a)
snowboard on a snowy hill
b)
running on the playground
c)
sandpaper on wood
d)
a racer on a track
15.
Why is there less friction between two ice cubes touching than between sandpaper on wood?
a)
They have rough surfaces.
b)
They have loud surfaces.
c)
They have smooth surfaces.
d)
They have bright surfaces.
16.
What is one way to reduce friction?
a)
Put sandpaper between the surfaces that touch.
b)
Push the surfaces closer together.
c)
Shine a light on the surfaces.
d)
Put a slippery substance between the surfaces.
17.
In which of the following activity is friction useful?
a)
sliding down a snowy hill on a sled
b)
ice skating
c)
running around a track
d)
roller blading
18.
Why do air planes and race cars have sleek shapes?
a)
to reduce friction from air resistance
b)
to increase air resistance
c)
to look more appealing than cats
d)
so people will buy them
19.
In the image, what force is acting on arrow A?
a)
friction
b)
gravity
c)
push
d)
Jedi force
20.
Is gravity a push or a pull?
a)
push
b)
pull
c)
neither
d)
both
21.
What keeps the Moon in orbit around Earth?
a)
Earth's rotation.
b)
Earth's atmosphere.
c)
Earth's gravity.
d)
Earth's shape.
22.
Which would require the most force to move?
a)
a toy car
b)
a sleeping cat
c)
a science book
d)
a chair with a friend sitting in it
23.
A car traveled 120 km in 2 hours. Using this data, you can calculate its _____.
a)
speed.
b)
velocity.
c)
position.
d)
mass.
24.
Balanced forces can cause
a)
an object to speed up or slow down
b)
an object to stay still or move at a constant speed and direction
25.
Who is winning this race?
a)
A
b)
B
26.
Who is winning this race?
a)
A
b)
B
27.
What speed is the person with the red line going?
a)
20 km per hour
b)
10 km per hour
c)
50 km per hour
d)
30 km per hour
28.
When was the ostrich going at a constant speed?
a)
Between 0 and 30 min.
b)
Between 45 and 60 min.
c)
Between 30 and 45 min.
29.
this force is ___________ and there will be
a)
unbalanced, no movement
b)
balanced, movement to the left
c)
balanced, no movement
30.
This force is _____________ and there will be _________________
a)
balanced, movement to back left
b)
unbalanced, movement to the back left
c)
balanced, no movement
31.
If all four forces are balanced, the plane will
a)
plummet to the ground
b)
fly faster and faster
c)
fly slower and slower
d)
fly at a constant speed and direction
32.
To measure speed, you need to know...
a)
distance covered and speed
b)
distance covered and time it took
c)
acceleration and distance
d)
direction and time
33.
If two spheres of different masses, but the same size are dropped at the same time
a)
they will hit the floor at the same time
b)
the larger mass will hit first
c)
the smaller mass will hit first
34.
To measure speed, you need to know...
a)
distance covered and speed
b)
distance covered and time it took
c)
acceleration and distance
d)
direction and time
35.
to determine if something is moving or changing direction you need
a)
a calculator
b)
a tape measure
c)
a magnifying glass
d)
a non-moving background
36.
How much force is required to accelerate 10 kg at a rate of 100 m/s2?
a)
1,000kg
b)
10N
c)
10kg
d)
1,000N
37.
The term for when an object speeds up, slows down, or changes direction
a)
Speed
b)
Velocity
c)
Acceleration
d)
Newtons
38.
What is the acceleration of a 50 kg object pushed with a force of 2,500 newtons?
a)
75,000N
b)
50N
c)
2500N
d)
50m/s2
100 %
