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WorksheetsSemester One Practice Exam
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
Four trucks are coasting down a mountain highway. They all started at the same speed at the top of the mountain. Which truck will require the most force to stop?
a)
a delivery truck that has a mass of 5 tons
b)
a pickup truck that that has a mass of 1 ton
c)
a transfer truck that has a mass of 4 tons
d)
a dump truck that has a mass of 3 tons
2.
If the force acting upon an object is increased in the same direction of motion, what happens to the object’s acceleration?
a)
nothing
b)
decreases
c)
increases
d)
its mass changes
3.
Each of the following balls is lying on a flat plain when they are hit with a force of 20 N (Newtons). Which ball will travel the farthest on this flat plain?
a)
A
b)
B
c)
C
d)
D
4.
What type of force are the arrows showing?
a)
Magnetic
b)
Unbalanced
c)
Balanced
d)
Inertia
5.
Speeding up, slowing down, and changing directions are all caused by which of the following:
a)
Balanced forces
b)
No Forces
c)
Unbalanced forces
d)
Friction
6.
When forces act in the same direction, the net force is found using __________. When forces act in opposite directions, the net force is found using ________.
a)
Subtraction, Addition
b)
Division, Multiplication
c)
Addition, Subtraction
d)
Multiplication, Addition
7.
A basketball continues to roll to along a gym floor without anyone touching it. What answer choice BEST explains why this occurred?
a)
The initial force that started the ball ran out
b)
Netwon's first law
c)
The natural state of the ball is to not move
d)
The force of gravity helped the ball until it stopped
8.
Newton’s first Law of Motion states than an object will remain at rest or in uniform motion in a straight line unless acted upon by an external forces. This is sometimes called the law of:
a)
Acceleration
b)
Force
c)
Inertia
d)
Uniformity
9.
Carole is surprised when she makes an emergency stop and the tissue box that had been in the back window of her car hits the back of her seat. How would Newton explain what happened?
a)
An object in motion tends to stay in motion
b)
The force of stopping caused it to accelerate
c)
Box mass and inertia accelerate with the force
d)
Every action has an equal and opposite reaction
10.
Which would BEST describes what occurs when a ball is thrown against a wall?
a)
The ball will not bounce off the wall.
b)
The ball hits the wall hard enough to bounce off of it.
c)
The wall is stronger than the ball and neither exerts any forces
d)
The ball exerts a force on the wall and the wall exerts a force back
11.
Two trucks , as seen above, were driving down a two lane road and were involved in a head-on crash. How does the force experienced by the driver of each truck compare?
a)
The forces on the two drivers are equal.
b)
The force on the faster truck is greater.
c)
We cannot calculate the force on the drivers
d)
The force on the driver of the heavier truck is more than the driver of the truck without boxes
12.
When a person jumps horizontally off the end of an unanchored boat in a lake, the person goes forward and the boat goes backward. What is this an example of?
a)
Inertia
b)
Gravity
c)
Newton's First Law of Motion
d)
Newton's Third Law of Motion
13.
This diagram shows a ball rolling down a slope onto a flat plain. At point A the ball is rolling down the slope. It rolls onto the flat plain and slows to a stop at point B. What force is causing the motion of the ball at point A?
a)
Friction
b)
Inertia
c)
Acceleration
d)
Gravity
14.
What type of effect does friction have on the motion of an object?
a)
It slows or stops an object.
b)
It speeds up an object.
c)
It changes an object's direction.
d)
It has no real effect on an object's motion.
15.
Roger wants to know which type of floor he slides the best on. He tests three types of floors: carpet, hardwood, and laminate. What could you determine based on Roger's graph?
a)
Hardwood floors have the most friction
b)
Laminate floors have the most friction
c)
Carpet floors have the most friction
d)
All three floor types have the same friction
16.
Which graph aboveshows an object moving forward at a constant speed?
a)
A
b)
B
c)
C
d)
D
17.
Maria took a walk to the store and then to school. The graph shows her motion. What is Maria's total displacement during her trip?
a)
0 km
b)
30 km
c)
60 km
d)
65 km
18.
Joe can pitch a baseball a distance of 48 meters in 1.5 seconds. How fast is his pitch?
a)
3.1 m/s
b)
32 m/s
c)
48 m/s
d)
72 m/s
19.
What is the rider's speed from Point A to Point B?
a)
0.4 km/min
b)
4.0 km/min
c)
2.5 km/min
d)
25 km/min
20.
What is the rider's speed from Point B to Point C?
a)
0.4 km/min
b)
2.5 km/min
c)
0 km/min
d)
5 km/min
21.
What is a wave?
a)
a way that matter is transported from place to place
b)
a series of events that moves atoms in a set amount of time
c)
a moving force that changes the motion of an object
d)
a repeating disturbance, vibration, or movement that transfers energy
22.
As the band passed by, the beating drums and trumpets made Billy feel like his chest was beating with the music. He could hear the music and could also feel it. How would a scientist explain this to Billy?
a)
Sound waves cannot travel through the air
b)
Sound waves transmit energy through all forms of matter
c)
The marching causes the ground to move, which Billy feels.
d)
Sound waves are transmitted faster through gasses than through solids.
23.
What type of wave does the following picture show? These waves are defined by perpendicular movement.
a)
Mechanical Longitudinal
b)
Mechanical Transverse
c)
Seismic
d)
Electromagnetic
24.
Which part of a transverse wave is shown at line 4 in the picture below?
a)
Crest
b)
Trough
c)
Compression
d)
Rarefaction
25.
Which of the following actions is the BEST evidence that waves can cause objects to move?
a)
A speed boat races in circles around the lake
b)
A teenager swims to shore after an ocean swim
c)
A surfer rides to the beach on his surfboard
d)
A dog fetches a ball tossed in a lake and brings it back to the dock
26.
When a wave has a high frequency, what is true about the energy of that wave?
a)
it has low energy
b)
the energy only depends on the type of wave
c)
it has high energy
d)
waves do not carry energy
27.
What measurement is shown by Line A on this wave?
a)
Amplitude
b)
Distance
c)
Wavelength
d)
Frequency
28.
Which of the following describes the energy of a wave with a lower amplitude?
a)
low amplitude waves do not carry energy
b)
low amplitude waves carry low amounts of energy
c)
low amplitude waves carry high amounts of energy
d)
all waves carry the same amount of energy
29.
The volume or intensity of a sound wave is measured by the size of the ________ and is reported in decibels.
a)
Amplitude
b)
Frequency
c)
Trough
d)
Wavelength
30.
This picture shows four paths that light might take when passing from the air through a pane of glass. Which diagram shows refraction?
a)
A
b)
B
c)
C
d)
D
31.
On a crisp autumn morning, Sarah could see a mirror image of the colorful trees in the water of the lake. What causes this mirror image?
a)
White light
b)
Absorbed light
c)
Refracted light
d)
Reflected light
32.
An echo is an example of sound waves that are:
a)
Diffracted
b)
Interfered With
c)
Reflected
d)
Refracted
33.
Houses with carpet are much quieter than houses with tile or hardwood floors because of sound wave:
a)
Absorption
b)
Diffraction
c)
Reflection
d)
Refraction
34.
Which diagram shows transmission?
a)
A
b)
B
c)
C
d)
D
35.
Which of the following materials would be the best example of a translucent material?
a)
Clear glass
b)
Wooden blocks
c)
Eye glasses
d)
Dirty water
36.
Listening to the radio, you can hear two stations at once. Describe this wave interaction:
a)
Diffraction
b)
Interference
c)
Reflection
d)
Refraction
37.
If the two waves shown in the diagram were to interfere, what would the resulting wave be like?
a)
The resulting wave would have an amplitude of 3
b)
The resulting wave would have an amplitude of 2
c)
The resulting wave would have an amplitude of 1
d)
The waves would cancel each other out
38.
Some musical instruments use tubes to create standing waves. These standing waves use constructive interference. What does constructive interference do to the sound of these instruments?
a)
Constructive interference does not affect sounds
b)
Constructive interference changes the tone of sounds
c)
Constructive interference makes sounds louder
d)
Constructive interference makes sounds quieter
39.
Which part of the eye connects the eyeball to the brain?
a)
Cornea
b)
Lens
c)
Retina
d)
Optic Nerve
40.
Which letter on the image below shows the retina which is the “film” onto which light is projected
a)
A
b)
B
c)
C
d)
D
41.
Which galaxy is the Earth located in?
a)
Andromeda Galaxy
b)
Halle Galaxy
c)
Orion Galaxy
d)
Milky Way Galaxy
42.
Which of the following is not one of the three main types of galaxies?
a)
Spiral
b)
Rectangular
c)
Irregular
d)
Elliptical
43.
Why does the sun appear larger than the other stars?
a)
The Sun is the largest star in the sky
b)
The Sun looks larger because of the rotation of the Earth
c)
The Sun looks larger because it is closer to Earth than any other star.
d)
The Sun appears to be the largest star because it gives off the most light.
44.
Which type of galaxy ranges in shape from almost perfect spheres to flattened globes, with the brightest lights in the center?
a)
Circular
b)
Elliptical
c)
Irregular
d)
Spiral
45.
Which of the following would describe an irregular galaxy?
a)
an exploding supernova.
b)
a spiraling disk of stars, gas, and dust.
c)
no regular shape, or well-defined structure.
d)
spherical, or egg-shaped, with no spiraling arms
46.
Evidence shows that interstellar bodies are moving away from Earth, some faster than others, which BEST suggests that the universe
a)
is shrinking.
b)
is expanding.
c)
was not formed by a big bang.
d)
has always been the same size.
47.
According to the Big Bang theory of the origin of the universe, the universe has expanded from a hot dense state into a vast, cooler state. What would be considered scientific evidence supporting this theory?
a)
Galaxies are moving toward each other.
b)
Galaxies are moving away from each other.
c)
Cosmic background X-ray radiation was detected in space.
d)
The existence of common elements throughout the universe
48.
____________ form a belt between Mars and Jupiter.
a)
Asteroids
b)
Comets
c)
Meteors
d)
Stars
49.
Which planet is the farthest from the Sun?
a)
Jupiter
b)
Mercury
c)
Neptune
d)
Saturn
50.
What is missing in the ordered sequence of the cosmos?
Planet ⇒ ____________ ⇒ Galaxy ⇒ Universe
Planet ⇒ ____________ ⇒ Galaxy ⇒ Universe
a)
Sun
b)
Earth
c)
Nebulae
d)
Solar System
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