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Fall Semester Exam Part 2

Total questions: 80

Worksheet time: 3hrs 45mins

Name
Class
Date
1.

A substance that is shiny and a good conductor would be classified as a

a)

nonmetal

b)

metalloid

c)

metal

2.

A substance that is dull, brittle, and a nonconductor would be classified as a

a)

metal

b)

nonnmetal

c)

metalloid

3.

A substance that can be hammered into different shapes would be classified as a

a)

metal

b)

nonmetal

c)

metalloid

4.

A shiny and malleable substance that is not always a good conductor of electricity

a)

metal

b)

nonmetal

c)

metalloid

5.

Carbon is dull and brittle. Carbon is a

a)

metal

b)

nonmetal

c)

metalloid

6.

Which elements are to the right of the zig zag?

a)

metals

b)

nonmetals

c)

metalloids

7.

Silicon is shiny, brittle and conducts electricity. It is a:

a)

metal

b)

metalloid

c)

nonmetal

8.

Which elements are to the LEFT of the zigzag?

a)

metals

b)

nonmetals

c)

metalloids

9.

Which elements are colored red?

a)

nonmetals

b)

metals

c)

metalloids

10.
Which of these grouping of elements could have the characteristic of luster (shiny)?
a)
Metal
b)
Nonmetal
c)
metalloids
d)
Both metals and metalloids
11.
Brittle
a)
Metal
b)
Nonmetal
12.
Good conductor of heat
a)
Metal
b)
Nonmetal
13.
Iron is a good conductor, malleable and magnetic. What type of element is Iron? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
14.

An unknown element conducts some heat and electricity, has a shiny luster, and broke easily. This element is most likely a

a)

metal

b)

nonmetal

c)

metalloid

d)

cannot be determined

15.
John was observing the physical properties of elements in order to classify them as either a metal, nonmetal, or metalloid. The first element was dull, brittle, and did not conduct heat. What would its classification be? 
a)
metal 
b)
nonmetal 
c)
metalloid
16.

Elizabeth described an element is her science journal as having no shine, an insulator, and very brittle. What would this element be a metal, nonmetal, or metalloid?

a)

metal

b)

nonmetal

c)

metalloid

17.
If a substance is magnetic it is most likely a 
a)
metal 
b)
non-metal
18.

Elements that are normally in a gas form, that are dull, brittle, and poor conductors

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Solids

19.

High melting point:

a)

metals

b)

nonmetals

c)

metalloids

20.

Low melting point:

a)

Metals

b)

Nonmetals

c)

Metalloids

21.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
22.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

23.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
24.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

25.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
26.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

27.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
28.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
29.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
30.
A force is a push or pull measured in what units? 
a)
Meters per second, squared
b)
Kilograms 
c)
Newtons 
31.
When the vectors (arrows) point in the same direction what function do you use? 
a)
Dividing 
b)
Multiplying 
c)
Subtracting 
d)
Adding 
32.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
33.

When forces are going in the same direction what function do you use?

a)

subtract

b)

add

c)

multiply

d)

divide

34.

When forces are going in opposite direction what function do you use?

a)

add

b)

subtract

c)

multiple

d)

divide

35.

Which statement best describes the picture?

a)

The box will not move

b)

The box will move in the direction of combined forces

c)

The box will move to left

d)

The forces cancel each other out because they are balanced

36.

Which statement best describes the result of the forces being applied?

a)

the rope will not move

b)

they will fall

c)

the rope will move in the direction of the lease force

d)

the rope will move in the direction of the most force

37.
Which of these is an example of light energy being transformed into chemical energy?
a)
A glow stick lights up when broken.
b)
Water heated by the sun evaporates.
c)
A plant makes sugar in the sunlight.
d)
A battery causes a buzzer to vibrate.
38.
Which kind of energy change occurs when a candle is burning?
a)
Chemical to light.
b)
Light to electrical.
c)
Solar to heat.
d)
Chemical to electrical.
39.
Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?
a)
chemical → light → electrical
b)
electrical → light → chemical
c)
light → electrical → chemical
d)
chemical → electrical → light
40.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
Solar
b)
Light
c)
Thermal
d)
Mechanical
41.

Muscles operate to push the pedals on a bicycle causing the wheels to turn. What type of energy being represented?

a)

mechanical

b)

physical

c)

thermal

d)

chemical

42.

What energy transformation occurs in the chameleon as it quickly launches its tongue to catch an insect?

a)

Radiant --> Chemical

b)

Thermal --> Chemical

c)

Chemical --> Mechanical

d)

Mechanical --> Chemical

43.
Which of the following devices transforms electrical energy into mechanical energy?
a)
An e-reader
b)
a fan
c)
a manual pencil sharpener
d)
ipod
44.
A television works by transforming electrical energy into what other kinds of energy?
a)
Light, thermal, and sound
b)
Thermal, chemical, and solar
c)
Sound, mechanical, and electrical
d)
Light, chemical, and mechanical
45.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
46.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
47.

Which energy transformation takes place when using a corded power drill?

a)

thermal to mechanical

b)

chemical to electrical

c)

mechanical to chemical

d)

electrical to mechanical

48.

Identify the correct sequence of energy transformations using a television.

a)

Electric --> radiant + sound + thermal

b)

Electric --> solar + sound + elastic

c)

Electric --> mechanical + radiant + thermal

d)

Electric --> chemical + thermal + nuclear

49.

Identify the correct sequence of energy transformations in the campfire.

a)

Chemical --> thermal + radiant

b)

Chemical --> solar  + radiant

c)

Nuclear --> sound + thermal

d)

Chemical --> electric + sound 

50.

In a nuclear power plant, uranium atoms are split in a process called “fission.” This releases a tremendous amount of energy. In order to provide this energy to factories and homes, the power plant converts the energy to –

a)

water

b)

oil

c)

natural gas

d)

electricity

51.

People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?

a)

mechanical to thermal to electrical

b)

chemical to mechanical to thermal

c)

mechanical to chemical to sound

d)

chemical to sound to electrical

52.

Which of the following transfers occurs when food is digested?

a)

Chemical to mechanical

b)

Mechanical to thermal

c)

Mechanical to solar

d)

Chemical to thermal

53.

Plants turn_______ energy into _______ energy for food.

a)

thermal, mechanical

b)

radiant, chemical

c)

electromagnetic, light

d)

potential, kinetic

54.

How many Laws of Motion did Isaac Newton Create?

a)

2

b)

4

c)

5

d)

3

55.

In Newton's first Law of Motion, an object at rest will ___________.

a)

defy gravity

b)

want to move

c)

remain at rest

d)

Go to the Moon!

56.

According to Newton's Second Law of Motion, an object in motion will _________.

a)

Stay in motion

b)

want to stop right away

c)

spontaneously combust

d)

Go to the Moon!

57.

Mass of an object can be defined by...

a)

how small an object is

b)

how large an object is

c)

how far an object is from the sun

d)

How much matter an object is made out of.

58.

The greater the mass of an object, the greater the amount of ______ is needed to make it accelerate.

a)

Force

b)

Matter

c)

Acceleration

d)

Velocity

59.

In the equation f=ma, what does the "m" stand for

a)

acceleration

b)

matter

c)

mass

d)

force

60.

In the equation f=ma, what unit of measure is used for force?

a)

Kilogram

b)

Newton

c)

Feet per second

d)

Meters per second

61.

According to Newtons Third Law of Motion, every action has an equal and opposite _________.

a)

gravity

b)

force

c)

mass

d)

reaction

62.

In the equation f=ma, "F" stands for _______.

a)

force

b)

mass

c)

velocity

d)

acceleration

63.

Jumping into the air is an example of _________.

a)

Action-reaction forces

b)

Momentum

c)

electromagnetic fields

d)

Mass

64.

True or False. If an object is hit opposite sides with the same amount of force on each side, the forces cancel out and the object will NOT move.

a)

True

b)

False

65.

True or false. If you change ONLY the direction of an object, you have then changed its velocity.

a)

True

b)

False

66.

Which choice below best defines gravity?

a)

A force that pushes away

b)

an objects ability to accelerate

c)

An objects mass attracting other objects towards it

d)

The ability to change the speed and direction of an object

67.

Select the term that BEST matches the definition below.

Definition: Energy that causes movement.

a)

Force

b)

Gravity

c)

Momentum

d)

Newton's Third Law of Motion

68.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
69.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

70.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
71.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
72.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
73.

When the vectors (arrows) point away what function do you use?

a)

Dividing

b)

Multiplying

c)

Subtracting

d)

Adding

74.

When forces are going in opposite direction what function do you use?

a)

add

b)

subtract

c)

multiple

d)

divide

75.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
76.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

77.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
78.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
79.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
80.
A force is a push or pull measured in what units? 
a)
Meters per second, squared
b)
Kilograms 
c)
Newtons 

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