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WorksheetsEssential Physical Science Final Exam Review
Total questions: 86
Worksheet time: 2hrs 32mins
What is the net force?
3 N
3 N, right
17 N, right
3 N, left
A ____________ is a push or a pull on an object.
friction
force
magnet
gravity
If you apply an unbalanced force to an object at rest, what will happen to that object?
the object will remain at rest.
the object will move.
The object will stay.
None of the above.
You are pushing a wheelbarrow. What happens to the wheelbarrow's motion if more mass is added and you push with the same force?
The motion will remain the same
The motion will increase.
The motion will decrease.
The motion will change directions.
An object in motion tends to stay in motion and an object at rest tends to stay at rest until acted on by an unbalanced force is which of Newton's laws?
1st
2nd
3rd
4th
The acceleration of an object is dependent upon the net force acting upon the object and the mass of the object is which of Newton's laws?
1st
2nd
3rd
4th
For every action there is an equal and opposite reaction is which of Newton's laws?
1st
2nd
3rd
4th
Calculate the net force
5
10
15
0
What is the net force?
400
800
200
600
What can be said of friction?
it works against you as you are trying to move an object
it works with you as you are trying to move an object
it lifts up an object as you are trying to move it
it is never noticeable as you try to move an object
The SI Unit for Energy is
Joule
Newton
Calorie
Watt
Electric current flows from
detect electric current
negative terminal to positive terminal
positive terminal to negative terminal
the flow rate of electric charges through a conductor
Electrons flows from
detect electric current
negative terminal to positive terminal
positive terminal to negative terminal
the flow rate of electric charges through a conductor
Is the image shown the switch is closed, are the lights on or off?
all lights are off
all lights are on
You can hear sounds around the corner of a door due to the wave property called diffraction.
True
False
In the figure shown, point A is called a ____.
amplitude
crest
rarefaction
trough
In the figure shown, point B is called a ____.
amplitude
crest
rarefaction
trough
In the figure shown, number 2 is called the ____.
amplitude
crest
rarefaction
trough
You see yourself in a mirror because light ____ of the surface of the mirror.
absorbs
reflects
transmits
What characteristics feature of wave is indicated by the letter C on the diagram?
amplitude
loudess
frequency
wavelength
What do all waves transfer?
Matter
Heat
Electricity
Energy
Which type of waves have the longest wavelength?
Visible light
Radio waves
X-rays
Gamma-Rays
Shorter wave lengths can carry more energy. Which of these probably carries the MOST energy:
Infrared light
Visible light
X-rays
UV light
What is the distance between the calm sea and the highest wave called?
Wave
Frequency
Amplitude
Magnitude
What do all waves transfer?
(a)
A wave that can travel through matter and empty space is a:
electromagnetic wave
longitudinal wavy
transverse wave
Which image represents a longitudinal wave?
A
B
Which scientific instrument did Galileo use to change the world?
telescope
spyglass
mirror
magnifying glass
Which object is the center of the solar system according to Galileo?
Earth
Moon
Sun
Neptune
Our galaxy is called
Centaurus A
Andromeda
the Milky Way
Triangulum
Which type of galaxy is illustrated?
spiral
elliptical
irregular
it's not a galaxy
According to latest theories, the Big Bang happened
3 million years ago
about 13.8 billion years ago
3 billion years ago
4.5 billion years ago
The light from most distant galaxies is ____.
always infrared
shifted toward the red end of the spectrum
always ultraviolet
shifted towards the blue end of the spectrum
Our universe is made up of at least a
million galaxies
million stars
billion galaxies
hundred planets
Which describes the location of star A correctly?
Star A is less bright than the Sun and has a surface temperature above 25,000 K
Star A is brighter than the Sun and has a surface temperature below 25,000 K
Star A is less bright than the Sun and has a surface temperature of above 11,000 K
Star A is brighter than the Sun and has a surface temperature below 11,000 K.
Why does our Sun, an average sized star, appear so much brighter than other more massive stars?
The Sun is lit
The Sun is closer to Earth than other stars
The Sun is made of different elements
The Sun is prettier so it shines brighter
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