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Physical Science Review

Total questions: 61

Worksheet time: 40mins

Name
Class
Date
1.
What medium does sound travel through slowest?
a)
gas
b)
solid
c)
liquid
d)
trees
2.
Sound is caused by....
a)
molecules
b)
vibrations
c)
people
d)
space
3.
Sound does not travel in space because
a)
Space is too far away.
b)
There is no matter in space.
c)
Space is the final frontier
d)
Space has planets.
4.
What is frequency?
a)
the number of vibrations per second
b)
how high or low a sound is
c)
the loudness or softness of a sound
d)
the back and forth movement of matter
5.
Measure of how high or low a sound is
a)
amplitude
b)
compression
c)
speed of sound
d)
pitch
6.
A longer string makes a _______ pitch than a short string.
a)
louder
b)
softer
c)
higher
d)
lower
7.
The highest pitch is made by the _______ instrument.
a)
biggest
b)
wooden
c)
smallest
d)
shiniest
8.
An object that does not vibrate cannot produce
a)
sound
b)
light
c)
heat
d)
electricity
9.
What is volume?
a)
how high or low a sound is
b)
the loudness or softness of a sound
c)
the number of vibrations per second
d)
vibrations
10.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
11.
Why is the school library covered with carpet?
a)
So everyone can make a lot of noise
b)
to help absorb sounds to keep it quiet
c)
because it looks good
d)
to help absorb sounds so it can stay noisy
12.
when sound bounces off an object
a)
reflect
b)
frquency
c)
trough
d)
transmit
13.
What unit of measure is used for volume?
a)
frequency
b)
pitch
c)
decibel
d)
wavelength
14.

Light energy is visible light...

a)

that we can see

b)

that we cannot see

15.

refraction is when light....

a)

bounces off

b)

bends

16.

reflection is when light....

a)

bounces off

b)

bends

17.

Which color has the shortest wavelength?

a)

violet

b)

red

18.
Which explains why the fork looks different under water?
a)
light can't pass through the glass
b)
the wavelength of light lengthens
c)
the amount of light increases when going through water
d)
light is refracted at an angle
19.
The taking in of light by a material....
a)
absorption
b)
reflection
c)
refraction
d)
dark colors
20.
What kind of path does light take?
a)
It travels in a straight line until it hits something or goes through it.
b)
It bounces off all objects.
c)
It curves around all objects.
d)
It goes through all objects.
21.
What happens to light passing through a prism?
a)
It goes right through it.
b)
It bends and the light separates.
c)
It bounces off it
d)
It goes around it.
22.
What happens to light passing through a prism?
a)
It goes right through it.
b)
It bends and the light separates.
c)
It bounces off it
d)
It goes around it.
23.
Opaque means...
a)
No light passes through it
b)
All light passes through it
c)
Some light passes through it
24.
Blurs light as it passes through
a)
Transparent
b)
Translucent
c)
Opaque
d)
Refraction
25.
Allows most light through
a)
eflection
b)
Refraction
c)
Translucent
d)
Transparent
26.
What do we call this tool that separates white light into the colors of the Visible Spectrum?
a)
tuning fork
b)
prism
c)
microscope
d)
graduated cylinder
27.

which is a transparent object

a)

glass

b)

copper

c)

iron

d)

steel

28.

Which travels faster?

a)

sound

b)

light

c)

water

29.

What is a difference between reflection and refraction?

a)

In reflection the light goes through and in refraction the light does not go through

b)

In reflection the light does not go through, in refraction it does go through

c)

reflection means to bend and refraction means to bounce off of

d)

refraction means to stop and reflection means to go

30.

An example of reflection

a)
b)
31.

a push or pull that can change the position or motion of an object / material

a)

Friction

b)

Force

c)

Gravity

d)

Magnetism

32.

a force that pulls objects toward each other

a)

Friction

b)

Force

c)

Gravity

d)

Magnetism

33.

a force that acts in an opposite direction to movement

a)

Friction

b)

Force

c)

Gravity

d)

Magnetism

34.

a change in the position of an object

a)

Motion

b)

Push

c)

Pull

d)

Position

35.

Balanced or Unbalanced: A lamp sitting on a table.

a)

balanced

b)

unbalanced

36.

Balanced or Unbalanced: A runner jumping over a hurdle.

a)

balanced

b)

unbalanced

37.

Balanced or Unbalanced: A gymnast back flipping on a balance beam.

a)

balanced

b)

unbalanced

38.

Balanced or Unbalanced: A frisbee sitting on the ground motionless.

a)

balanced

b)

unbalanced

39.

An object at rest needs a(n) _______ force in order to move.

a)

balanced

b)

unbalanced

40.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
41.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
42.
Which force is so low that it causes the man to slip and fall?
a)
Gravity
b)
Friction
c)
Air Resistance
d)
Motion
43.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
44.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
45.
How could you make an object increase its speed?
a)
use less force
b)
use more force
c)
use no force
46.

a)

Balanced

b)

Unbalanced

47.

a)

Balanced

b)

Unbalanced

48.

A train travels 25 km in 5 hrs. How fast is the train going?

a)
25 miles/hr
b)

5 km/hr

c)
125 km/hr
d)
50 km/hr
49.
What is need to determine the speed of an object?
a)
distance and time
b)
distance and mass
c)
time and friction
d)
time and gravity
50.
In a duck race, a rubber duck traveled 400 meters in 10 minutes? What was the rubber ducks speed?
a)
40
b)
40 minutes
c)
40mm/s
d)
40m/s
51.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
52.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
53.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
d)
less friction doesn't affect speed
54.

without friction, an object in motion would never stop

a)

true

b)

false

55.
A type of friction that occurs when air pushes against a moving object causing it to negatively accelerate
a)
surface area
b)
air resistance
c)
descent velocity
d)
gravity 
56.

What does the strength of the force depend on? Check the answers that apply.

a)

The types of surfaces

b)

The weather

c)

How hard the surfaces push together

d)

motion

57.

What is shown in the image below?

a)

The force needed to push a swing

b)

The path light takes when it is refracted

c)

The flow of an electrical current

d)

The path light takes when it is reflected

58.

Which one of these is a convex lens?

a)
b)
c)

None of the above

59.
All the colors that you can see make up the:
a)
visible spectrum
b)
light energy
c)
shadow
d)
prism
60.
Which is a natural source of light?
a)
flashlight
b)
cell phone
c)
lightning
d)
headlights
61.

In the photo, the shadow has the same shape as his hands because ____________.

a)

light is refracted

b)

light travels in a straight line and is blocked by his body

c)

light curves as it passes through his hands

d)

light bends as it moves through clear objects