WorksheetsScience 1 Midterm Review
Total questions: 38
Worksheet time: 40mins
Name
Class
Date
1.
The variable that causes a change is the
a)
constant
b)
independent variable
c)
dependent variable
d)
control
2.
The variable that is the result of the experiment is the
a)
constant
b)
independent variable
c)
dependent variable
d)
control
3.
A variable that never changes is known as a
a)
constant
b)
independent variable
c)
dependent variable
d)
control
4.
"Ice will melt faster in salt water.", would make a good
a)
Hypothesis
b)
Question
c)
Analysis
d)
Conclusion
5.
What is the independent variable for the hypothesis: If ice melts in salt & fresh water, then it will melt faster in salt water.
a)
The amount of water
b)
The melt time
c)
The size of the ice cube
d)
The amount of salt
6.
Squidward found new reeds to tryout for his clarinet. He used an APPLAUSOMETER to measure applause after playing Under the Sea with each reed. The results were put in the table.
What was the dependent variable?
What was the dependent variable?
a)
The Song
b)
The Reed
c)
The Applause
7.
Squidward found new reeds to tryout for his clarinet. He used an APPLAUSOMETER to measure applause after playing Under the Sea with each reed. The results were put in the table.
What was controlled?
What was controlled?
a)
The Song
b)
The Reed
c)
The Applause
8.
Mr. Krabbs is trying a new money making scheme. On Tuesdays he is selling his crabby patties on colored buns. He usually averages 25 customers per day. On Tuesdays he now averages 27 customers.
What was the independent variable?
What was the independent variable?
a)
The customers
b)
The crabby patty
c)
The colored buns
d)
The number of customers
9.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
10.
What is the group in an experiment that receives treatment with the independent variable?
a)
control group
b)
experimental group
c)
constant group
d)
variation group
11.
A ball and a car are rolling down hill what type of energy is used
a)
potential
b)
kinetic
12.
Suppose that a sled is accelerating at a rate of 2 m/s2. If the net force is tripled then what is the new acceleration of the sled?
a)
12 m/s
b)
6 m/s
c)
12 in/s
d)
120 m/s
13.
Determine the accelerations that result when a 12-N net force is applied to a 3-kg object.
a)
3 m/s
b)
4 ft/s
c)
13 m/s
d)
4 m/s
14.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
Newtons 4th law
c)
Newtons 3rd law
d)
Newtons 2nd law
15.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
law of gravity
c)
Newtons 4th law
d)
Newtons 2nd law
16.
Mass is a measure of an object's inertia. Objects with greater mass have a greater inertia; objects with less mass have less inertia.
a)
true
b)
false
17.
A(n) __________ is a push or pull.
a)
newton
b)
acceleration
c)
force
d)
momentum
18.
Friction can create...
a)
thermal energy
b)
kinetic energy
c)
nuclear fission
d)
electrical energy
19.
What is energy?
a)
the ability to do work
b)
mass and volume
20.
What is the energy of motion?
a)
radiant
b)
kinetic
c)
gravitational
d)
potential
21.
what is the energy of moving electrons?
a)
Nuclear
b)
thermal
c)
sound
d)
electrical
22.
When is kinetic energy GREATEST on a roller coaster?
a)
at the top of the highest hill
b)
at the bottom of the highest hill
c)
at the end of the ride
d)
at the beginning of the ride
23.
Which is an example of potential energy?
a)
A car sitting at the top of a hill
b)
A kite flying in the air
c)
A fox chasing a mouse
d)
A bowling ball rolling
24.
The main source of energy for our planet is/are
a)
the sun.
b)
the earth’s core.
c)
greenhouse gases.
d)
cosmic background radiation.
25.
When a pendulum swings, at which point is potential energy at its greatest
a)
1
b)
2
c)
3
d)
4
26.
A 4 kg rock is sitting 5 m above the ground. How much potential energy does it have?
a)
20J
b)
50J
c)
196J
d)
980J
27.
What is the kinetic energy of a 130 kg bicycle/bicyclist traveling at 3 m/s?
a)
540 J
b)
585 J
c)
390 J
d)
3820 J
28.
How much kinetic energy does a 100 kg person have when he runs at 10 m/s?
a)
50 J
b)
500 J
c)
5000 J
d)
10000 J
29.
True or false: as you move along the spectrum, left to right, the wavelengths decrease in size (get smaller)
a)
true
b)
false
30.
Which of the following electromagnetic waves is given off as heat?
a)
Radio Waves
b)
Infrared Rays
c)
Visible Light
d)
Gamma Rays
31.
Select the correct order of waves on the EMS
a)
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
b)
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
c)
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
d)
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
32.
Define refraction
a)
the bouncing back of light
b)
the echo of light
c)
the bending of light waves
d)
the spectrum of light
33.
The distance between two crests or two troughs of a wave is called:
a)
frequency
b)
amplitud
c)
wavelength
d)
hertz
34.
Which of the following is a type of high-energy electromagnetic wave?
a)
visible light
b)
ultraviolet light
c)
microwaves
d)
infrared waves
35.
A train of waves is moving at a speed of 30m/s. The frequency of the wave is 10 Hz. What is the wavelength
a)
0.1m
b)
3 m
c)
30m
30m
30m
d)
300m
36.
A wave has a wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?
a)
34 Hz
b)
340 Hz
c)
3400 Hz
d)
3.4 Hz
37.
A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
a)
500 m/s
b)
50 m/s
c)
5 m/s
d)
0.5 m/s
38.
The wave-particle duality of light describes light as...
a)
a wave only
b)
a particle only
c)
both a wave and a particle
d)
neither a wave nor a particle
100 %
