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physical science review

Total questions: 103

Worksheet time: 1hrs 16mins

Name
Class
Date
1.

Which liquid is the most dense?

a)

lamp oil

b)

milk

c)

soda cap

d)

corn syrup

2.
Ralph is concerned about the number of ants in his kitchen. He wonders if cleaning the kitchen more than once a month would fix the problem.
What is the best hypothesis for this situation?
a)
If the kitchen is cleaned once a week instead of once a month, then the number of ants will be fewer than if the kitchen is cleaned once a month. 
b)
If the kitchen is cleaned, then will the number of ants go down?
c)
The filthiness of the kitchen is causing the ant infestation.
d)
If the kitchen is cleaned, then the number of ants will decrease.
3.
Ralph is concerned about the number of ants in his kitchen. He wonders if cleaning the kitchen more than once a month would fix the problem.
What will be measured in the experiment?
a)
Ralph's concern.
b)
How often the kitchen is used.
c)
How clean the kitchen is.
d)
The number of ants
4.
Ralph is concerned about the number of ants in his kitchen. He wonders if cleaning the kitchen once a day instead of once a month would fix the problem.
What is the manipulated variable?
a)
How often the kitchen is cleaned.
b)
The number of ants in the kitchen.
c)
Ralph's concern.
d)
Cleaning the kitchen.
5.

What is happening at segment B?

a)

no motion/object at rest

b)

constant speed

c)

acceleration

6.

What is happening at segment B?

a)

no motion/object at rest

b)

constant speed

c)

acceleration

7.
Alan travels 100 km in 5hrs. Find his average speed in km/h
a)
5km/hr
b)
10km/hr
c)
50km/hr
d)
20km/hr
8.

All changes in states of matter (boiling, melting, evaporation) are

a)

chemical changes

b)

physical changes

9.

Space = ______________

a)

Volume

b)

Mass

c)

Density

10.

An object in motion will remain in motion until acted upon by an outside force or an object at rest will remain at rest until acted upon by an outside force.

a)

weight

b)

gravity

c)

inertia

d)

mass

11.

Which object is the least dense?

a)

soda cap

b)

bolt

c)

milk

d)

ping pong ball

12.

Which of the following has the greatest density?

a)

A

b)

B

c)

C

13.

Matter = _________________, measured with a ________________________

a)

volume, triple beam balance

b)

mass, triple beam balance

c)

mass, graduated cylinder

14.

What tool does the picture represent? What is the tool used to measure?

a)

graduated cylinder, volume

b)

graduated cylinder, mass

c)

triple beam balance, volume

15.

What is the volume of the green jade sample?

a)

50.0 mL

b)

60.5 mL

c)

10.5 mL

d)

110.5 mL

16.

At what point does a liquid change to a gas?

a)

freezing

b)

vaporization (evaporation/boiling)

c)

melting

d)

condensation

17.

At what point does a solid change to a liquid?

a)

boiling

b)

freezing

c)

melting

d)

condensation

18.

What is the boiling point of water?

a)

100oF

b)

212oF

c)

32oF

19.

Which picture has no definite volume?

a)

A

b)

B

c)

C

20.

Which picture is a solid?

a)

A

b)

B

c)

C

21.

Which picture do the molecules move the fastest?

a)

A

b)

B

c)

C

22.
Why a ball falls to the ground?
a)
Earth's force of gravity is GREATER than the ball's, so the ball gets attracted to the ground. 
b)
Earth's force of gravity is LESS than the ball's, so the ball gets attracted to the ground. 
23.
What are Newton's 3 Laws? 
a)
Law of Action-Reaction, Law of Inertia and Law of Velocity
b)
Law of Speed, Law of Action-Reaction, Law of Force and Acceleration
c)
Law of Inertia, Law of Force and Acceleration, and Law of Action-Reaction
d)
Law of Mass and Acceleration, Law of Action-Reaction, and Law of Inertia
24.
Which picture represent the distribution of particles in a liquid?
a)
A
b)
B
c)
C
d)
All
25.
When chocolate melts it is a ...
a)
Chemical change
b)
Physical change
26.
Which of the following would increase total kinetic energy of a substance?
a)
increase mass of the substance
b)
increase volume of the substance
c)
increase temperature of the substance
d)
all of the other three choices
27.
The transfer of thermal energy is called ___.
a)
heat
b)
specific heat
c)
viscosity
d)
Avada Kedavra
28.
When Wyle E. Coyote is waiting for the Road Runner with a huge boulder at the top of a cliff, which type of energy is being demonstrated?
a)
mechanical
b)
kinetic
c)
potential
d)
cartoon
29.
According to the chart, what makes Material 4 different from the other materials? 
a)
Crystals are smaller
b)
Mass is greater
c)
Denser than water
d)
Is not magnetic
30.
Temperature is the average amount of _____.
a)
chemical energy
b)
kinetic energy
c)
thermometer energy
d)
potential energy
31.

Any object or thing in the world is called ....

a)

Stuff

b)

Mass

c)

Matter

d)

Volume

32.

If something is matter, it must have...

a)

Mass and weight

b)

Volume and weight

c)

Mass and volume

d)

Volume and size

33.

The measure of how much material there is in an object is called..... (usually measured in grams or kilograms)

a)

Mass

b)

Volume

c)

Size

d)

Weight

34.

The measure of how much space an object takes up is called its .....

a)

Mass

b)

Volume

c)

Weight

d)

Size-ola

35.

Matter can be in 3 states. Which one is NOT a state of matter?

a)

Solids

b)

Liquids

c)

Energy

d)

Gases

36.

Objects in which state of matter have a definite size and shape?

a)

Solids

b)

Liquids

c)

Gases

37.

Objects in which state of matter have a definite size or amount, but will take the shape of their container?

a)

Solids

b)

Liquids

c)

Gases

38.

Objects in which state of matter have no definite size (may be squeezed closer together), and will take the shape of their container?

a)

Solids

b)

Liquids

c)

Gases

39.

When a solid turns into a liquid, it's called...... (think ice to water)

a)

Freezing

b)

Melting

c)

Condensing

d)

Vaporizing

40.

When a liquid turns into a solid, it's called...... (think water to ice)

a)

Freezing

b)

Melting

c)

Condensing

d)

Vaporizing

41.

When a liquid turns into a gas, it's called...... (think water to steam)

a)

Freezing

b)

Melting

c)

Condensing

d)

Vaporizing

42.

When a gas turns into a liquid, it's called...... (think water vapor or steam to water)

a)

Freezing

b)

Melting

c)

Condensing

d)

Vaporizing

43.

The smallest piece of any element is called a(n)....

a)

Molecule

b)

Compound

c)

Atom

d)

Element

44.

Compounds are substances made of more than one element. What is the smallest piece of a compound called?

a)

Atom

b)

Element

c)

Compound

d)

Molecule

45.
Rodney throws a ball into the air and it begins to fall back toward him. What force causes the ball to return to the ground?
a)
friction
b)
gravity
c)
motion
d)
wind
46.
When water becomes a gas, it is called ____.
a)
condensation
b)
evaporation
c)
transpiration
d)
melting
47.
In a ______, the particles are close together and do not move a lot.
a)
gas
b)
liquid
c)
solid
d)
energy
48.
Air is an example of ______.
a)
gas
b)
liquid
c)
solid
d)
energy
49.
True or False: When ice melts, the amount of water increases.
a)
true
b)
false
50.
Which is a PHYSICAL change?
a)
A candle burning
b)
Ice melting
c)
Toast burning
d)
Popcorn popping
51.

_________ are the smallest units that make up all matter.

a)

Cells

b)

Compounds

c)

Atoms

d)

Molecules

52.

The state of matter with the highest amount of energy is ______.

a)

solid

b)

liquid

c)

gas

d)

plasma

53.

Which type of energy is used when an object is in motion?

a)

potential energy

b)

kinetic energy

c)

chemical energy

d)

radiant energy

54.

This is the artifact that is manipulated or changed

a)

Dependent Variable

b)

Responding Variable

c)

The y-axis

d)

Independent Variable

55.

The variable that is directly affected as a result of changes made to the independent variable

a)

Responding Variable

b)

Manipulated Variable

c)

Independent Variable

d)

None of the above

56.

A change in some properties of matter without forming different kinds of matter

a)

Mass

b)

Solvent

c)

Physical change

d)

chemical change

57.

There are 4 states of matter

a)

True

b)

False

58.

A substance that has a definite shape and volume is

a)

liquid

b)

volume

c)

gas

d)

solid

59.

The measure of how fast particles in an object are moving is

a)

gas

b)

volume

c)

temperature

d)

matter

60.

Volume is

a)

the amount of space an object takes up.

b)

a proton

c)

a neutron

d)

not sure

61.

The amount of matter an object has is its

a)

matter

b)

mass

c)

volume

d)

compound

62.

A physical change to an apple would be:

a)

putting it in the blender

b)

cooking it

c)

pouring vinegar on it

63.

True or False. Energy is never really created or destroyed because it is captured from the sun and recycled or transformed into different forms.

a)

True

b)

False

64.

The amount of kinetic energy depends upon

a)

the mass of an object and the rate it's moving.

b)

how old an object is.

c)

how much money it costs.

d)

when it was made.

65.
The word PHYSICAL PROPERTY means...
a)
Solid, Liquid, and Gas
b)
The way matter is described
c)
How much matter is in an object
d)
The ability to sink or float
66.
The word PHYSICAL STATE means...
a)
Solid, Liquid, and Gas
b)
Texas, Louisiana, and Georgia
c)
The way we describe matter
d)
The amount of matter in an object
67.
CONDENSATION is when....
a)
Thermal energy is absorbed
b)
When gas changes to a liquid
c)
When liquid changes to a gas
d)
When solid changes to a liquid
68.
An ice cube is just starting to melt. The water is most likely ___.
a)
0 ⁰C and losing energy
b)
0 ⁰C and gaining energy
c)
100 ⁰C and losing energy
d)
100 ⁰C and gaining energy
69.
 Arrange the steps to the scientific method in order.
1. Design an experiment
 2. Draw a conclusion
3. Form a hypothesis
 4. State a problem
5. Collect and record data
6. Conduct background research
a)
A.  6, 2, 4, 1, 3, 5
b)
B.  3, 6, 2, 5, 1, 4
c)
C.  4, 3, 6, 2, 1, 5
d)
D.  4, 6, 3, 1, 5, 2
70.
The line graph show that a car is ___.
a)
not moving
b)
moving at a constant speed
c)
speeding up and then slowing down
d)
speeding up
71.
In a solid, the particles ___.
a)
vibrate in place
b)
slide around one another
c)
overcome the strong attraction
d)
bounce off each other and the container
72.
As a sample of matter is heated, its particles ____.
a)
are unaffected
b)
move more quickly
c)
move more slowly
d)
move closer together
73.
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
74.
 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
75.
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
76.
What is the volume of this liquid?
a)
39 mL
b)
40 mL
c)
34 mL
d)
38 mL
77.
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
78.

Which form of energy is stored energy?

a)

Potential

b)

Kinetic

79.

Which form of energy is moving energy?

a)

Potential

b)

Kinetic

80.

What type of energy is heat?

a)

thermal energy

b)

nuclear energy

c)

mechanical energy

d)

chemical energy

81.

A substance in the solid phase (state) of matter has

a)

a definite shape and a definite volume

b)

a definite shape, but no definite volume

c)

no definite shape, but a definite volume

d)

no definite shape and no definite volume

82.
Which item is less dense than the maple syrup?
a)
the bolt
b)
the popcorn kernel
c)
the cherry tomato
d)
the honey
83.

Kinetic energy is...

a)

energy carried in ultraviolet waves

b)

energy stored in food

c)

energy in motion

d)

energy from splitting an atom

84.

What two factors affect an object's kinetic energy?

a)

area and volume

b)

mass and weight

c)

weight and height

d)

mass and speed

85.

Kinetic energy is measured in

a)

Newtons (N)

b)

Joules (J)

c)

Kilograms (kg)

d)

miles per hour (mph)

86.

Where would this tossed baseball have the least amount of kinetic energy?

a)

point W

b)

point X

c)

point y

d)

point z

87.

Where would this tossed baseball have the greatest amount of kinetic energy?

a)

point W

b)

point X

c)

point y

d)

point z

88.

Increasing an object's mass will increase its kinetic energy.

a)

true

b)

false

89.

Increasing an object's speed will increase its kinetic energy.

a)

false

b)

true

90.

The faster an object moves, the ________ kinetic energy it has.

a)

more

b)

less

91.

__________ energy is stored energy.

a)

Potential

b)

Kinetic

c)

Force

d)

Gravity

92.

Gravitational potential energy depends on the ________ and ________ of the object.

a)

Position (height) and mass

b)

Friction and movement

c)

Mass and Movement

d)

Height and Friction

93.

When you stretch a rubber band, you are storing __________ energy.

a)

kinetic

b)

potential

94.

At which point is potential energy greatest?

a)

W

b)

X

c)

Y

d)

Z

95.

What kind of energy is in a moving skateboard?

a)

Potential

b)

Kinetic

96.

What energy does a rock at the edge of a cliff have?

a)

Potential

b)

Kinetic

97.

Which is the best example of an object having kinetic energy?

a)

a car parked on a steep hill

b)

a tennis ball rolling across the court

c)

a picture hanging on the wall

d)

a piece of coal before it's burned

98.

When a pendulum swings, at which point is kinetic energy greatest?

a)

1

b)

2

c)

3

d)

4

99.

Which of the following is an example of kinetic energy decreasing as the gravitational potential energy increases?

a)

a person parachuting out of a plane

b)

a car racing around an oval track

c)

a person skiing down a hill

d)

a person walking up a hill

100.

What would have the greatest kinetic energy?

a)

A car driving down a hill.

b)

A person running down a hill.

c)

A ball rolling down a hill.

d)

leaves rolling down a hill

101.

Which is an example of potential energy?

a)

a roller coaster speeding down a hill

b)

the pulled back string on an archers's bow

c)

releasing the strings on a guitar

d)

an electric current lighting a light bulb

102.

What position has the least amount of potential energy?

a)

W

b)

X

c)

Y

d)

Z

103.

In order to INCREASE the potential energy of an object, you need to:

a)

put the object lower to the ground

b)

raise the object higher

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