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Fall '24 Semester Review

Total questions: 124

Worksheet time: 5hrs 43mins

Name
Class
Date
1.
Number of C's in 2Na₂CO₃
a)
1
b)
2
c)
3
d)
5
2.
How many Elements are in the compound C2H8O ?
a)
2
b)
1
c)
3
d)
0
3.
How many total atoms are in the compound C2H8O ?
a)
11
b)
2
c)
8
d)
1
4.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
5.
How many Chlorine are in MgCl2?
a)
2
b)
1
c)
3
6.
How many Magnesium are in 10MgCl2?
a)
10
b)
5
c)
20
7.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
8.

How many atoms of Sodium (Na) are there on the left side of the equation?

a)

1

b)

2

c)

3

d)

None

9.

How many atoms of Hydrogen (H) are on the right side of the equation?

a)

1

b)

2

c)

3

d)

4

10.

How many Oxygen (O) atoms are on the right side of the equation?

a)

1

b)

2

c)

3

d)

4

11.

How many Sodium (Na) atoms are on the right side of the equation?

a)

1

b)

2

c)

3

d)

4

12.

How many Chlorine (Cl) atoms are on the right side of the equation?

a)

1

b)

2

c)

3

d)

4

13.

Which of the following is not a compound?

a)

HCl

b)

NaCl

c)

Cl

d)

CO2

14.

Which of the following represents an element?

a)

H2O

b)

NaCl

c)

H2

d)

CaCO3

15.

Salt has a chemical formula of NaCl. Salt is a...

a)

Compound

b)

Mixture

c)

Element

d)

None of the Above

16.

What cannot be broken down into other substances?

a)

Compound

b)

Solids

c)

Mixture

d)

Element

17.

What is made up two or more elements that are chemically combined?

a)

Element

b)

Compound

c)

Mixture

d)

Solids

18.

How many elements are represented in the compound?

Na2CO3

a)

1

b)

2

c)

3

d)

4

19.

Which example is a compound?

a)

N2

b)

Cu

c)

O2

d)

H2O2

20.

Crushing a Coke Can

a)
Physical 
b)
Chemical
21.

Sodium metal is cut with a knife

a)
Physical 
b)
Chemical
22.

Sugar is mixed and dissolved into water.

a)
Physical 
b)
Chemical
23.

Cooking an egg

a)
Physical 
b)
Chemical
24.

A nail rusting

a)
Physical 
b)
Chemical
25.

Wood Burning

a)
Physical 
b)
Chemical
26.

Cutting a pizza into slices is what type of change?

a)

chemical change

b)

physical change

27.

Melting Chocolate

a)

chemical change

b)

physical change

28.

Water freezing into Ice

a)
Physical Change
b)
Chemical Change
29.

Milk curdling/souring.

a)
Physical 
b)
Chemical
30.

Copper tarnishing.

a)
Physical 
b)
Chemical
31.
Fireworks
a)
Physical Change
b)
Chemical Change
32.
Baking cupcakes
a)
Physical Change
b)
Chemical Change
33.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
34.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

35.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

36.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

37.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

38.

Methane burns with a blue flame

a)
Physical 
b)
Chemical
39.

Methane burns with a blue flame

a)
Physical 
b)
Chemical
40.
The substance being dissolved in a solution.
a)
sands
b)
solute
c)
solvent
d)
alloy
41.
The substance in which a solute is dissolved
a)
sands
b)
solvent
c)
alloy
d)
negative particles
42.
A solution is a ___________mixture.
a)
heterogeneous
b)
homogeneous
c)
concentration
d)
ionic
43.
Solutions are composed of __________ .
a)
salts and solutes
b)
solvents and salts
c)
solutes and alloys
d)
solutes and solvents
44.
Saturated, unsaturated, and supersaturated solutions are defined by how much __________ can dissolve in a solvent
a)
sugar
b)
liquid
c)
solution
d)
solute
45.
When water is added to a solution it is called a ______________
a)
dilution
b)
concentration
c)
heterogeneous solution
d)
dissociation
46.

You can make a solution more concentrated by adding more __________.

a)
solute
b)
solvent
c)
water
d)

solution

47.

In a sample of salt water, NaCl (salt) would be considered the ______.

a)
Solution
b)
Solute
c)
Solvent
d)
Solvation
48.
When one of the parts of the solution is water we call it _________. 
a)
water stuff 
b)
water mixture 
c)
aqua-man
d)
aqueous 
49.
If we are making Kool-aid with sugar, Kool-aid powder, and water, which part is the solvent?
a)
water
b)
powder
c)
sugar
d)
powder and sugar
50.

Water is the univeral ____.

a)

solute

b)

solvent

c)

solution

51.

solute + solvent =

a)

solution

b)

equation

52.
a)

solute

b)

solvent

53.
a)

solvent

b)

solution

c)

solute

54.
a)

solvent

b)

solute

55.
Which is an example of a solvent?
a)
Salt
b)
Egg whites
c)
Water
d)
Sugar
56.
Which is an example of a solute?
a)
Egg whites
b)
Sugar
c)
Water
d)
Acetone
57.

What is a solvent

a)

A liquid that will dissolve a solid solute

b)

Another word for solution

c)

A thing that make drinks change colour

d)

Usually the solid about to be dissolved

58.

What is a solvent

a)

A liquid that will dissolve a solid solute

b)

Another word for solution

c)

A thing that make drinks change colour

d)

Usually the solid about to be dissolved

59.

The ___ is the thing being dissolved.

a)

solute

b)

solvent

c)

mixture

d)

solution

60.

The substance being dissolved in a solution is the?

a)

solution

b)

solute

c)

solvent

d)

mixture

61.

The substance in which a solute is dissolved is a?

a)

solution

b)

solvent

c)

alloy

d)

mixture

62.
Solutions are composed of __________ .
a)
salts and solutes
b)
solvents and salts
c)
solutes and alloys
d)
solutes and solvents
63.
What is the speed of a man who runs 10 miles in 1 hr?
a)
20 miles
b)
10 m/min
c)
10 miles/hr
d)
20 hrs
64.
What is the equation to calculate speed?
a)
speed = distance/time
b)
speed = time/distance
c)
speed = time x distance 
d)
speed = speed/time 
65.
A car travels 30 miles/hr for 3 hours, calculate the distance it will travel
a)
90 miles
b)
10 miles
c)
600 miles
d)
90 km
66.
What is the equation to calculate distance?
a)
distance = speed/time
b)
distance = time/speed
c)
distance = speed/distance
d)
distance = speed x time 
67.
Noah rides his bike 14 miles in 1 hour. What is his average speed in miles per hour?
a)
14
b)
1
c)
1 mph
d)
14 mph
68.
A boat travels at 22 km/hr for 10 hrs, what distance will it travel?
a)
220 miles
b)
2.2 km
c)
220 km
d)
22 km
69.
Which of the following is a unit of speed?
a)
km/hr
b)
hr
c)
km
d)
s
70.
Which of the following is a unit of time?
a)
km/hr
b)
hr
c)
km
d)
mi
71.
Which of the following is a unit of distance ?
a)
miles/hr
b)
hr
c)
km
d)
min
72.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
73.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
74.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
75.
How long did it take this object to travel back to its reference/starting point?
a)
20 s
b)
30 s
c)
60 s
d)
100 s
76.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
77.
In a duck race, a rubber duck travelled 400 meters in 10 minutes? What was the rubber duck´s speed?
a)
40
b)
40 minutes
c)
40mm/s
d)
40m/s
78.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
79.
What is happening at C?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
80.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
81.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
82.
A measurement of how fast an object is moving
a)
Velocity
b)
Speed
c)
Vector
d)
Acceleration
83.

What is the difference between distance and displacement?

a)

Distance is the total length of the path traveled, while displacement is the longest distance between the initial and final positions.

b)

Distance is the total length of the path traveled, while displacement is the average distance between the initial and final positions.

c)

Distance is the total length of the path traveled, while displacement is the distance traveled in a straight line.

d)

Distance is the total length of the path traveled, while displacement is the shortest distance between the initial and final positions.

84.

A car travels 50 meters north, then 30 meters south. What is the displacement of the car?

a)

20 meters north

b)

80 meters north

c)

50 meters south

d)

10 meters north

85.

If an object moves 10 meters east and then 5 meters west, what is its displacement?

a)

5 meters east

b)

0 meters east

c)

15 meters east

d)

-5 meters east

86.

A person walks 2 kilometers east, then 3 kilometers west, and finally 1 kilometer east. What is the total distance traveled?

a)

0

b)

2

c)

4

d)

6

87.

A car travels at a constant speed of 60 km/h for 2 hours. What is the total distance covered by the car?

a)

120 km

b)

30 km

c)

90 km

d)

150 km

88.

If an object moves in a straight line and returns to its starting point, what can you say about its displacement?

a)

negative

b)

infinite

c)

positive

d)

zero

89.
 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?
a)
800
b)
400
c)
0
d)
200
90.

Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?

a)

10 miles

b)

7 miles

c)

8 miles

d)

6 miles

91.

Which is the length of the path an object has traveled?

a)

displacement

b)

distance

c)

motion

d)

reference point

92.
10 miles per hour is an example of an objects what?
a)
Velocity
b)
Speed
c)
Acceleration
d)
Inertia
93.
Velocity is 
a)
speed
b)
direction
c)
speed with a direction
94.

A golf ball sitting on the grass.

a)

Balanced

b)

Unbalanced

95.

A swinging baseball bat

a)

Balanced

b)

Unbalanced

96.

A ball is rolling on the ground. A force pushes the ball in the same direction that it is moving. What happens to the ball?

a)

It stops moving

b)

It moves slower

c)

It moves faster in the same direction it was moving

d)

It keeps moving in the same direction and speed

97.

Which statement best describes the forces acting on the box?

a)

Group 1 pushes with a greater first and the box moves to the right

b)

Group 2 pushes with more force and the box moves to the left

c)

Group 1 and 2 push with the same amount of force and the box moves to the left.

d)

Group 1 and 2 push with same amount of force and the box does not move

98.

What FORCE is keeping Vanessa from sliding down this grassy hill?

a)

Unbalanced

b)

Friction

c)

Magnetism

d)

Gravity

99.

Two people are either pushing or pulling on a box. They do this in 4 different ways. In which way is the box most likely to stay in place.

a)

b)

c)

d)

100.

Which word best describes the image?

a)

Balanced

b)

Unbalanced

101.

Which word best describes the image?

a)

Unbalanced

b)

balanced

102.

Which is another example of balanced forces?

a)

A student hits a baseball. Another student hits it harder

b)

Two students push the merry go round in the same direction

c)

A student rolls two cars down a slide and they reach the bottom at the same timer

d)

One student pulls a gate. Another student pushes the gate. The does not move

103.

Forces that cancel each other are called ​ (a)   forces.

Choose from the below words

balanced

inactive

neutral

null

unbalanced

104.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move in both directions. 
105.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
106.
The sum of all forces acting on an object and direction
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
107.

When things get hotter, its molecules are moving faster and have more (a)   .

108.

When a thing gets colder, its molecules are moving slower and have (a)   kinetic energy.

109.

the energy an object has because it is moving

a)

average energy

b)

molecule

c)

kinetic energy

d)

stagnant energy

110.

An object's temperature gives information about the.....

a)

kinetic energy of its particles

b)

potential energy of its particles

c)

potential & kinetic energy of its particles

111.

Heating occurs when thermal energy....

a)

in an object stays constant

b)

transfers from a warm object to a cold object

c)

transfers from a cold object to a warm object.

112.

A refrigerator works by ...

a)

moving thermal energy

b)

creating thermal energy

c)

destroying thermal energy

113.
Which of the following are kinds of heat transfer.
a)
Conduction
b)
Convection
c)
Radiation
d)
All of the above
114.

Thermal energy being transferred from a hot mug of cocoa to the table it is sitting on is an example of __________.

a)

convection

b)

conduction

c)

radiation

d)

chemistry

115.

Which best explains how this roasting marshmallows happens?

a)

Heat from the fire is conducted to the marshmallow.

b)

Heat from the fire is radiated to the marshmallow.

c)

The coolness of the marshmallow is conducted to the fire.

d)

The coolness of the marshmallow is radiated to the fire.

116.

Which best describes heat transfer by radiation?

a)

A slice of bacon frying in a pan.

b)

A pot on a stove boiling water.

c)

Cooking a hotdog in a microwave.

d)

A hot air balloon.

117.

Which of the following best describes CONVECTION?

a)

When heat is transferred through waves.

b)

When heat is transferred through objects that are touching.

c)

The movement of gas or liquid in which warmer parts move up and the colder parts moves down.

118.

Warm air rises and the cool air sinks demonstrates this type of heat transfer.

a)

Conduction

b)

Convection

c)

Radiation

119.

Walking on hot sand with your bare feet shows this type of heat transfer.

a)

conduction

b)

convection

c)

radiation

120.

Ironing a shirt is an example of:

a)

condensation

b)

evaporation

c)

conduction

d)

convection

121.

You and your friends are gathered around a campfire to keep warm. How is heat being transferred to you?

a)

conduction

b)

convection

c)

radiation

122.

This is the transfer of thermal energy through "space".

a)

conduction

b)

radiation

c)

convection

d)

spaceship

123.
Heat transfer in boiling water.
a)
Conduction
b)
Convection
c)
Radiation
124.
Conduction is heat transfer by -
a)
Touch
b)
Circles
c)
Waves

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