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WorksheetsPhysical Science Review 2
Total questions: 25
Worksheet time: 15mins
Name
Class
Date
1.
When a log burns in a fire _____.
a)
a physical change has occurred
b)
mass is gained
c)
energy is created
d)
new substances are formed
2.
Solubility, the ability for a substance to dissolve in another substance, is a ____.
a)
chemical change
b)
chemical property
c)
physical change
d)
physical property
3.
What is a measure of the average kinetic energy of a substance?
a)
mass
b)
volume
c)
density
d)
temperature
4.
The tendency of a moving object to continue in a straight line or a stationary object to remain in place is ___.
a)
accleration
b)
friction
c)
inertia
d)
gravity
5.
The process of going from a gas to a liquid is called what?
a)
evaporation
b)
sublimation
c)
condensation
d)
boiling
6.
Is spoiling food a physical or chemical change?
a)
physical
b)
chemical
c)
neither
d)
both
7.
The picture shows a large box being pushed by two men. The box did not change its position in the room because ___.
a)
The opposing forces were balanced
b)
The smooth floor created no friction
c)
The man on the left side applied more force than the man on the right side.
d)
The man on the right side applied more force than the man on the left side.
8.
A beaker containing a solution of 10 grams of salt and 50 mL of water is placed on a hot plate and heated to its boiling point. How much salt will remain in the beaker after all of the water has boiled?
a)
60 grams
b)
10 grams
c)
50 grams
d)
0 grams
9.
Which of the following statements is true of electromagnetic waves?
a)
They require a medium to through which to travel
b)
Sound waves are an example
c)
They do not require a medium to travel through
d)
They are all invisible to the human eye
10.
An example of a chemical property is ____.
a)
Flammability
b)
Boiling point
c)
Mass
d)
Density
11.
Albert bought a medicine to neutralize strong stomach acid. The medicine is most likely classified as which type of substance?
a)
A base
b)
An acid
c)
A neutral substance
d)
A salt
12.
The elements within the shaded red area on the periodic table are all ___.
a)
nonmetals
b)
metals
c)
gases at standard pressure and temperature
d)
metalloids
13.
There are two coal trucks of the same size, one empty and one full. Both are traveling at the same velocity. Which one would require the most force to stop within the same amount of time?
a)
The empty coal truck requires more force to stop.
b)
The full coal truck requires more force to stop.
c)
They both require the same amout of force to stop
d)
None of the above
14.
Betty wants to test which type of phone has the longest battery life. She is comparing iPhone 6 Plus, Samsung S5, and a Droid. She bought each phone new and charged them completely to 100%. Then, she turned each phone on and timed how long until the battery ran out. What is the independent (test) variable in her experiment?
a)
brand of phone
b)
time until battery ran out
c)
time it took to charge to 100%
d)
outlet used for charging
15.
Which correctly describe the heat transfer that occurs when a room temperature spoon is placed into ice cream?
a)
Conduction, from the ice cream to the spoon
b)
Conduction, from the spoon to the ice cream
c)
Convection, from the ice cream to the spoon
d)
Convection, from the spoon to the ice cream
16.
Look at the picture. What is the most reasonable conclusion that can be made?
a)
Cork has the lowest density
b)
Water is less dense than oil
c)
Cork is less dense than water but more dense than oil
d)
Water is less dense than both the cork and the oil
17.
Which object refracts light?
a)
moon
b)
lens
c)
mirror
d)
shadows
18.
Which shows the correct flow of heat for a glass of ice water held in a person’s hand?
a)
Person to ice to water to glass
b)
Person to glass to water to ice
c)
Ice to water to glass to person
d)
Water to glass to ice to person
19.
Which item is less dense than the maple syrup?
a)
the bolt
b)
the popcorn kernel
c)
the cherry tomato
d)
the honey
20.
Atoms of the same element with different numbers of neutrons are called ____.
a)
isotopes
b)
metals
c)
metalloids
d)
ions
21.
Which of the following carries the least amount of energy?
a)
x-rays
b)
visible light
c)
infrared waves
d)
radio waves
22.
The amount of gravitational pull an object exerts will increase if ___.
a)
its mass decreases
b)
its volume increases
c)
distance from it decreases
d)
its density decreases
23.
A cube has a volume of 8 cm3 and a mass of 5 g. Will it sink or float? (Density = mass / volume); (Remember, water has a density of 1 g/mL.)
a)
float
b)
sink
c)
there is not enough information
24.
What is the symbol for gold?
a)
G
b)
Gd
c)
Ag
d)
Au
25.
A device that is made by wrapping current-carrying wire around a piece of iron is called a(n) ___.
a)
bar magnet
b)
electric motor
c)
electromagnet
d)
Van de Graaff Generator
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