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Worksheets2018 Semester Exam Review
Total questions: 87
Worksheet time: 2hrs 13mins
Name
Class
Date
1.
Which variable goes on the X axis when creating a time-distance graph?
a)
time
b)
distance
2.
Dependent variable changes on purpose.
a)
true
b)
false
3.
Also called a responding variable
a)
dependent
b)
control
c)
independent
4.
If an object was moving at 50 miles per hour toward the North and changes to moving toward the West, but it is still moving at 50 miles per hour, what factor of the object’s motion has changed?
a)
speed
b)
velocity
c)
force
5.
During the World Series a pitcher throws a baseball with a force of 2N. The ball
changes directions when the batter swings the bat and hits the ball with a force of 2.5N.
Which of the following explains why the ball changes direction?
A. The force of the bat and the force of the pitcher’s throw are balanced.
B. The ball when thrown by the pitcher is accelerated with a greater force than
when hit by the bat.
C. Gravity and inertia provides the force to change the direction of the ball.
D. The force of the bat and the force of the pitcher’s throw are unbalanced.
changes directions when the batter swings the bat and hits the ball with a force of 2.5N.
Which of the following explains why the ball changes direction?
A. The force of the bat and the force of the pitcher’s throw are balanced.
B. The ball when thrown by the pitcher is accelerated with a greater force than
when hit by the bat.
C. Gravity and inertia provides the force to change the direction of the ball.
D. The force of the bat and the force of the pitcher’s throw are unbalanced.
a)
a
b)
b
c)
c
d)
d
6.
There are ___ colors in the spectrum of light
a)
3
b)
5
c)
7
d)
9
7.
Two dogs are pulling on a bone with equal force. What type of force is acting on the
bone?
A. unbalanced gravitational force
B. pulling friction force
C. balanced combined force
D. extra weight
bone?
A. unbalanced gravitational force
B. pulling friction force
C. balanced combined force
D. extra weight
a)
a
b)
b
c)
c
d)
d
8.
Transverse waves can be electromagnetic and mechanical
a)
true
b)
false
9.
Compressional waves can be electromagnetic and mechanical
a)
true
b)
false
10.
The sun emits all the different types of radiant energy
on the electromagnetic spectrum. The Earth does not
receive the full impact of all this radiation. The ozone
layer in the Earth’s atmosphere absorbs and helps to
block which type of radiant energy?
on the electromagnetic spectrum. The Earth does not
receive the full impact of all this radiation. The ozone
layer in the Earth’s atmosphere absorbs and helps to
block which type of radiant energy?
a)
visible light
b)
x-rays
c)
uv rays
11.
Scientists have divided the energy in the electromagnetic
spectrum in different categories. Each category is
defined by a different
A. spectrum.
B. ray.
C. wavelength.
D. visibility.
spectrum in different categories. Each category is
defined by a different
A. spectrum.
B. ray.
C. wavelength.
D. visibility.
a)
a
b)
b
c)
c
d)
d
12.
Waves of the electromagnetic spectrum are arranged in order of increasing frequency.
a)
true
b)
false
13.
A prism could best be described as which of the following?
A. A triangle with an opening on one side and another side that absorbs light.
B. A triangular object that allows light to enter and be refracted out into colors.
C. A pyramid shaped object that reflects the rays of the rainbow.
D. A triangular object that absorbs the light from a rainbow.
A. A triangle with an opening on one side and another side that absorbs light.
B. A triangular object that allows light to enter and be refracted out into colors.
C. A pyramid shaped object that reflects the rays of the rainbow.
D. A triangular object that absorbs the light from a rainbow.
a)
a
b)
b
c)
c
d)
d
14.
If red is the color on the top of the spectrum being emitted from the prism, what is the color on the
bottom?
A. violet
B. blue
C. green
D. yellow
bottom?
A. violet
B. blue
C. green
D. yellow
a)
a
b)
b
c)
c
d)
d
15.
People often wear light colored clothing to help keep cool in the summertime. Black clothing in the
summertime is hot. Walking on a light-colored sidewalk in summer would be cooler to bare feet than the
blacktop on the road. In fact, blacktop can get so hot in the summertime that asphalt on the surface
begins to melt and stick to the bottom of people’s shoes.
What explanation would help account for these facts?
summertime is hot. Walking on a light-colored sidewalk in summer would be cooler to bare feet than the
blacktop on the road. In fact, blacktop can get so hot in the summertime that asphalt on the surface
begins to melt and stick to the bottom of people’s shoes.
What explanation would help account for these facts?
a)
A) White occurs when all wavelengths of light are reflected, and black occurs when all
wavelengths of light are absorbed.
wavelengths of light are absorbed.
b)
White occurs when all wavelengths of light are refracted, and black occurs when all
wavelengths of light are reflected.
wavelengths of light are reflected.
c)
White occurs when all wavelengths of light are absorbed, and black occurs when all
wavelengths of light are refracted.
wavelengths of light are refracted.
d)
d
16.
When white light shines on Peter’s shirt, the shirt looks blue. Why does the shirt look blue?
a)
blue is absorbed
b)
blue is reflected
c)
all colors are reflected
17.
White sunlight is separated into the colors of a rainbow when water droplets act as
A. reflectors of the color off the surface of the raindrops.
B. prisms refracting the sunlight rays.
C. convex lens bending the rays of light to a focal point.
D. magnifying lenses that enlarge the colors in the sky.
A. reflectors of the color off the surface of the raindrops.
B. prisms refracting the sunlight rays.
C. convex lens bending the rays of light to a focal point.
D. magnifying lenses that enlarge the colors in the sky.
a)
a
b)
b
c)
c
d)
d
18.
A luminous object produces its own light. Most of the things we see are illuminated objects; light
shines on them. Which of the following is NOT a luminous object?
A. the sun
B. a mirror
C. a burning match
D. a switched-on light bulb
shines on them. Which of the following is NOT a luminous object?
A. the sun
B. a mirror
C. a burning match
D. a switched-on light bulb
a)
a
b)
b
c)
c
d)
d
19.
Light that leaves the sun and travels for eight minutes before reaching the earth is being ___ through
space.
A. reflected
B. refracted
C. transmitted
D. absorbed
space.
A. reflected
B. refracted
C. transmitted
D. absorbed
a)
a
b)
b
c)
c
d)
d
20.
Light colors reflect more light than dark colors. Which color picnic container would be best at
keeping food cool on a hot day?
A. red
B. white
C. blue
D. black
keeping food cool on a hot day?
A. red
B. white
C. blue
D. black
a)
a
b)
b
c)
c
d)
d
21.
A transparent object allows most of the light that strikes it to pass straight through and not scatter.
Which of the following is transparent?
A. cloth
B. waxed paper
C. window glass
D. wood
Which of the following is transparent?
A. cloth
B. waxed paper
C. window glass
D. wood
a)
a
b)
b
c)
c
d)
d
22.
X axis represents the independent variable
a)
true
b)
false
23.
Why is it important to know the names and appearances of lab equipment before doing laboratory work?
a)
So you score higher on the lab test.
b)
So you can quickly obtain your laboratory supplies before lab.
c)
So you can follow lab instructions clearly.
24.
Which of the following IS considered safety equipment in our classroom?
a)
Eyewash Station
b)
First Aid Kit
c)
Fire Extinguisher
d)
All of the Above.
25.
You broke a beaker. You picked up the big piece with your hands, swept up the small pieces with the dustpan and broom, and told the teacher. What did you do wrong?
a)
Picked up the big piece with your hands
b)
Swept up the small pieces with the dustpan and broom
c)
Told the teacher
d)
Nothing wrong
26.
Your sleeve catches on fire. What safety equipment should you use to help put it out?
a)
Fire extinguisher
b)
Eye washing station
c)
Fire blanket
d)
First aid kit
27.
Scientific Question: Does being tardy impact test scores?
What is the control?
What is the control?
a)
test scores
b)
the time a study arrives to class
c)
amount of time to complete test
28.
Scientific Question: Does playing video games improve reaction time?
What is the dependent variable?
What is the dependent variable?
a)
playing video games
b)
reaction time
c)
type of video game
29.
Scientific Question: Will a person fall asleep faster if they listen to music?
What is the independent variable?
What is the independent variable?
a)
music
b)
time to fall asleep
c)
person
30.
Scientific Question: Will a person fall asleep faster if they listen to music?
What is the dependent variable?
What is the dependent variable?
a)
music
b)
time to fall asleep
c)
person
31.
Scientific Question: Does the type of sneaker you wear affect how fast you can run?
What is the independent variable?
What is the independent variable?
a)
type of sneaker
b)
how fast you run
c)
person
32.
Scientific Question: Does the type of sneaker you wear affect how fast you can run?
What is the dependent variable?
What is the dependent variable?
a)
type of sneaker
b)
how fast you run
c)
person
33.
Scientific Question: Does the type of sneaker you wear affect how fast you can run?
What is the control variable?
What is the control variable?
a)
type of sneaker
b)
how fast you run
c)
person
34.
a)
the independent variable is distance
b)
the independent variable is miles
c)
the dependent variable is time
d)
the dependent variable is distance
35.
What are graphs used for?
a)
To show data
b)
To keep track of things so you don't forget
c)
To catch the eye and look colorful
d)
To draw pictures on
36.
The variable that is being tested or changed
a)
independent variable
b)
dependent variable
c)
control variable
37.
The variable that is being measured
a)
independent variable
b)
dependent variable
c)
control variable
38.
the constant
a)
independent variable
b)
dependent variable
c)
control variable
39.
Scientific Question: Does being tardy impact test scores?
What is the dependent variable?
What is the dependent variable?
a)
test scores
b)
the time a student arrives to class
c)
amount of time to complete test
40.
One object has twice as much mass as another object. The first object also has also twice as much...
a)
velocity
b)
gravitational acceleration
c)
inertia
d)
all of these
41.
Which law best describes- A satellite orbiting the earth.
a)
Law of Inertia
b)
Law of Mass and Acceleration
c)
Law of Action Reaction
42.
An experiment in which one and ONLY ONE, variable is changed.
a)
variable
b)
coordinate
c)
controlled experiment
d)
standard
43.
According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
a)
remain in motion.
b)
eventually come to a stop.
c)
change its momentum.
d)
accelerate.
44.
Which of Newtons laws best explains why football teams have big, large, fast athletes.
a)
Gravity
b)
second law
c)
first law
d)
Third law
45.
As the frequency of an electromagnetic wave increases, the amount of energy in that wave...
a)
increases.
b)
decreases.
c)
stays the same.
46.
Which color has the least amount of energy?
a)
red
b)
orange
c)
green
d)
blue
47.
Put the visible light colors in order from longest wavelength to shortest wavelength
a)
Violet, Indigo, Blue, Green, Orange, Yellow, Red
b)
Red, Yellow, Green, Orange, Violet, Blue, Indigo
c)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
48.
This part protects the eye, especially the iris, pupil and lens.
a)
rods
b)
cornea
c)
optic nerve
d)
retina
49.
This part of the eye focuses light/images onto the retina.
a)
lens
b)
cornea
c)
cones
d)
vitreous humor
50.
This part of the eye changes shape to control the amount of light that enters the eye. It is also known as the colored part of the eye. What is it called?
a)
pupil
b)
lens
c)
iris
d)
retina
51.
This part of the eye allows light into the eye.
a)
pupil
b)
optic nerve
c)
sclera
d)
lens
52.
What is letter B
a)
Optic nerve
b)
Lens
c)
Cornea
d)
Retina
53.
What is letter E?
a)
Vitreous humor
b)
Retina
c)
Cornea
d)
Optic nerve
54.
What part of the eye are the cones located
a)
Iris
b)
lens
c)
retina
d)
pupil
55.
When you enter a dark room, what does the pupil do
a)
get larger
b)
get smaller
56.
What is Newton's Third Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
d)
Friction
57.
Nicholas and Gillian push two similar toy cars on different surfaces. Gillian's car did not go as far as the Nicholas' car. What can be concluded from this?
a)
Gillian's car was pushed on a surface with more friction.
b)
Nicholas' car was pushed on a surface with more friction.
c)
Gillian's car was pushed on a surface with less friction.
58.
What is the equation to calculate time?
a)
time = speed/distance
b)
time = distance/speed
c)
time = speed x distance
d)
time = distance x speed
59.
What is the equation to calculate distance?
a)
distance = speed/time
b)
distance = time/speed
c)
distance = speed/distance
d)
distance = speed x time
60.
A car travels 30 miles/hr for 3 hours, calculate the distance it will travel
a)
90 miles
b)
10 miles
c)
600 miles
d)
90 km
61.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
62.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what are the controlled variables?
a)
Type of plant, amount of music, and sunlight
b)
Water, apple juice, milk
c)
Plant growth
63.
Lauren is convinced that book/movie combinations are better if you have read the book before watching the movie. Lauren's friend, Alyssa, thinks that movies are just as good even if you don't read the book. They got 40 of their classmates to help them solve their debate. 20 classmates read the book Divergent and 20 more classmates viewed the movie without reading the book. All participants went to see the movie on Friday at 6 p.m. They had their classmates do a survey (1-4 stars). Then, Alyssa and Lauren averaged the number of stars for both groups.
What is the independent variable?
What is the independent variable?
a)
Watching the movie
b)
Reading the book
c)
Taking the survey
64.
Lauren is convinced that book/movie combinations are better if you have read the book before watching the movie. Lauren's friend, Alyssa, thinks that movies are just as good even if you don't read the book. They got 40 of their classmates to help them solve their debate. 20 classmates read the book Divergent and 20 more classmates viewed the movie without reading the book. All participants went to see the movie on Friday at 6 p.m. They had their classmates do a survey (1-4 stars). Then, Alyssa and Lauren averaged the number of stars for both groups.
What is the dependent variable?
What is the dependent variable?
a)
The length of the movie
b)
The time the movie starts
c)
The # of stars the movie gets
65.
Jessie is concerned about how tired his classmates seem. He created a drink that he thinks will boost their energy. He recruits 100 classmates with a history of tiredness. He has 50 of them drink his new special energy drink. The other 50 drink a beverage that looks like the special energy drink, but is just water and food coloring. Both groups were told that they were getting the special drink that would boost energy. After 2 hours, 30 classmates in the first group reported having more energy and 8 classmates in the second group reported having more energy.
What is the independent variable?
What is the independent variable?
a)
Amount of energy
b)
Special energy drink
c)
The food coloring
66.
Maria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the controlled variable?
What is the controlled variable?
a)
Location of bird feeder
b)
Amount of birdseed eaten
c)
Type of birdseed
67.
Which formula would you use for this graph?
a)
speed formula, speed = distance / time
b)
force formula, force = mass x's acceleration
c)
momentum formula, p=mv
68.
What is the object's motion during Segment A?
a)
constant acceleration
b)
constant speed
c)
no motion
69.
Which graph shows the object is going away from the start at a constant speed?
a)
A
b)
B
c)
C
d)
D
70.
Which graph shows the object accelerating as it moves away from the start?
a)
D
b)
E
c)
B
d)
F
71.
What is the volume of the marble?
a)
65 mL
b)
25 mL
c)
40 mL
d)
10 mL
72.
What is the volume of the water in this graduated cylinder?
a)
40 mL
b)
45 mL
c)
5 mL
d)
50 mL
73.
This graph shows the velocity _______.
a)
remained constant
b)
increased
c)
decreased
74.
This graph shows the acceleration _______.
a)
remained constant
b)
increased
c)
decreased
75.
I have an x-axis and a y-axis. I help to track changes over time. What am I?
a)
Circle Graph
b)
Histogram
c)
Line Graph
d)
Dot Plot
76.
I have no axes at all. I help compare parts to a whole. What am I?
a)
Circle Graph
b)
Histogram
c)
Line Graph
d)
Bar Graph
77.
Elliot says almost everyone arrived at the party after 10:00 P.M., but Nancy thinks most people came earlier. When did a most of the people arrive?
a)
7:00-7:59 P.M.
b)
8:00–8:59 P.M.
c)
9:00–9:59 P.M.
d)
10:00–10:59 P.M.
78.
When would I use a graph like this?
a)
To show changes over time
b)
To compare quantity or popularity
c)
To compare parts to a whole
d)
To show frequency of one type of data
79.
Scientific Question: Does playing video games improve reaction time?
What is the controlled variable?
What is the controlled variable?
a)
playing video games
b)
reaction time
c)
type of video game
80.
Tim looked out the window. The house looked so lonely. Tim's father put the last suitcase in the trunk and started up the car. Thor, his dog, put his head on Tim's lap, like he understood how Tim was feeling. "It's okay Thor," he said, "Dad says we will like California." What is happening?
a)
Tim is sad because his dog doesn't have a house to live in.
b)
Tim is taking a trip to visit peolpe he doesn't know.
c)
Tim is taking Thor to live with his grandmother.
d)
Tim is moving to California with his family.
81.
David performed an investigation to find out how temperature affects crystal growth. What is the INDEPENDENT Variable?
a)
temperature
b)
concentration of minerals in the solution
c)
size of crystals
d)
there is no independent variable
82.
It is January, and Haley and Sarah are tired of cold feet. They decide to design and experiment looking at the effectiveness of wool versus cotton versus nylon as insulators. They fill identical water bottles with 1000F water and put them in each different type of sock, and measure the temperature every 20 mins. What is the independent variable being measured.
a)
Water Temperature
b)
Type of sock used
c)
Amount of water
d)
Month of the year
83.
In an experiment the controlled variables..
a)
Allow for a fair test.
b)
Must be kept the same.
c)
Must be observed as carefully as the dependent variable.
d)
All of the above.
84.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
85.
A group of middle school students were given a short course in speed-reading. The instructor was curious if money would influence performance on a reading test taken at the end of the course. Half the students were offered $5 for earning a certain score on the test, the other half were not offered money.
What is the independent variable (IV)?
a)
the money offered to students
b)
performance on the reading test
86.
Does the temperature of the oven affect the speed that a cake will bake?
What are the controls? (must stay the same)
a)
the temperature of the oven
b)
the speed the cake will bake
c)
the type and size of cake
87.
Four groups of rats are first weighed and then fed identical diets except for the amount of vitamin A they receive. Each group gets a different amount of vitamin A. After three weeks on the diet, the rats’ weights are measured again to see if there has been a change.
What is the independent variable?
a)
the weight of the rats after 3 weeks
b)
the identical diets
c)
the rats fed with different amounts of Vitamin A
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