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WorksheetsPhysical Science Review 3
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
An object with a mass of 2,300 g has a force of 6.2 newtons applied to it. What is the resulting acceleration of the object?
(force = mass x acceleration)
(force = mass x acceleration)
a)
14,260 m/s2
b)
about 0.003 m/s2
c)
about 371 m/s2
d)
2306.2 m/s2
2.
As the frequency of a wave increases, ___.
a)
the wavelength gets longer
b)
the wavelength gets shorter
c)
the volume gets louder
d)
the volume gets quieter
3.
Zn + Ag₂S = ZnS + ?Ag
All chemical equations follow the law of conservation of mass. Which number should be used in place of the question mark to balance the equation above?
All chemical equations follow the law of conservation of mass. Which number should be used in place of the question mark to balance the equation above?
a)
2
b)
1
c)
4
d)
0
4.
A student is investigating the law of conservation of mass. Her experiment with paper is shown. The law of conservation of mass and the experiment suggest that the two small pieces of paper ___.
a)
have the same amount of matter as a full sheet
b)
have half the amount of matter than a full sheet
c)
have twice as much matter than a full sheet
5.
The top of a wave is the ___.
a)
crest
b)
trough
c)
wavelength
d)
amplitude
6.
Which of the following increases when the force applied to an object increases?
a)
The acceleration of the object
b)
The force of gravity on the object
c)
The effects of inertia on the object
d)
The mass of the object
7.
Based on the periodic table entry, how many protons are in one helium atom.
a)
1
b)
2
c)
4
d)
6
8.
Water freezing is what type of change?
a)
chemical
b)
physical
c)
both chemical and physical
d)
neither chemical nor physical
9.
The smallest unit of an element is a(n) ___.
a)
atom
b)
molecule
c)
compound
d)
nucleus
10.
Which best explains the energy conversion shown in the picture?
a)
chemical to thermal
b)
electric to radiant
c)
sound to thermal
d)
thermal to light
11.
How can we increase the strength of an electromagnet?
a)
increase the number of turns on the iron core
b)
reduce the number of turns on the coil
c)
reduce the current in the coil
d)
reduce the voltage
12.
Two students, Jeff & Joan are investigating the properties of the same unknown liquid. Jeff pours a large sample of the liquid into a beaker, and Joan pours a small sample of the liquid into a small cup. Which property of the liquid is the same for both of the student’s samples?
a)
Volume
b)
Mass
c)
Density
d)
Total kinetic energy
13.
What type of energy does the rubber band contain before it is released?
a)
Kinetic Energy
b)
Sound Energy
c)
Heat Energy
d)
Potential Energy
14.
According to the law of conservation of mass, how does the mass of the products compare to the mass of the reactants?
a)
there is no relationship
b)
the mass of the products is greater
c)
the mass of the reactants is greater
d)
the masses are equal
15.
Which of the following is a sign that a chemical reaction took place?
a)
The product has more mass
b)
all reactants are mixed properly
c)
bubbles
d)
phase change
16.
Which tool is used to determine the temperature at which an unknown substance will boil?
a)
all liquids boil at 100 degrees Celsius
b)
Graduated cylinder
c)
Thermometer
d)
An estimate will suffice
17.
Which of the following would be an insulator
a)
copper
b)
steel
c)
plastic
d)
graphite
18.
If a basketball is on a table and is not moving, all of the forces acting on the ball are ___.
a)
Unequal
b)
Downward
c)
Not Balanced
d)
Balanced
19.
Which is true?
a)
A to B represents a solid changing to a liquid
b)
B to C represents a solid changing to a liquid
c)
C to D represents a liquid changing to a gas
d)
D to E represents a liquid's temperature increasing
20.
Columns in the periodic table of elements are called ___
a)
groups or families
b)
rows
c)
periods
21.
Which of the following is an example of balanced forces acting on an object?
a)
A truck slowing down as it approaches a red light
b)
An acorn falling from a tree.
c)
A motorcycle changing speed from 50 miles per hour to 70 miles per hour
d)
A car moving at a constant speed of 55 miles per hour.
22.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
c)
both
d)
neither
23.
What is the volume of this liquid?
a)
39 mL
b)
40 mL
c)
34 mL
d)
38 mL
24.
As temperature increases ___.
a)
particles of a substance have less energy
b)
particles of a substance move faster
c)
particles of a substance contract
d)
particles of a substance get closer together
25.
Which is a true statement about light energy?
a)
Light energy can travel through a vacuum.
b)
All light energy is visible.
c)
All light energy has the same frequency.
d)
Light moves slower than sound.
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