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Science 1-3

Total questions: 132

Worksheet time: 4hrs 6mins

Name
Class
Date
1.

Which of the following is a compound?

a)

Si

b)

CO2

c)

Cl

d)

He

e)

Ti

2.

Which of the following represents an element?

a)

H2O

b)

HCl

c)

NaCl

d)

Au

e)

CaCO3

3.

This picture represents which of the following?

a)

element

b)

compound

4.

This picture represents which of the following?

a)

element

b)

compound

5.

What is NOT made up of two or more elements that are chemically combined?

a)

Element

b)

Compound

c)

Mixture

d)

Solid

e)

Liquid

6.

How many elements are there in CuSO4?

a)

1

b)

2

c)

3

d)

4

e)

5

7.
What is the chemical symbol for Chlorine?
a)
Cl
b)
Ch
c)
Cr
d)
Ce
8.

Which of the following substance is NOT a compound?

a)

Carbon dioxide

b)

Hydrogen

c)

Salt

d)

Sugar

9.

The smallest building block of all matter is the ________.

a)

molecule

b)

atom

c)

element

d)

compound

10.

A(n) _______ is a pure substance made up of just one kind of atoms.

a)

compound

b)

element

c)

atom

d)

period

11.

The _____________organizes all the elements and shows their symbols and atomic weights.

a)

Periodic Table of the Elements

b)

Elemental Table of the Periods

c)

Element Table of the Atoms

d)

Periodic Table of the Compounds

12.

Water, salt, sugar, and other common items are __________.

a)

elements

b)

compounds

c)

energy

d)

tables

13.

The biosphere means ___________.

a)

the air we breathe

b)

rocks and soil

c)

all living things on Earth

d)

all of the water on Earth

14.

The hydrosphere is _____________.

a)

rocks and soil

b)

all living things on Earth

c)

all of the water on Earth

d)

the air we breathe

15.

T or F: Everything we know of in the universe is made up of combinations of the 118 known elements.

a)

TRUE

b)

FALSE

16.

A chemical change is a change in

a)

an item's properties such as size, shape, density

b)

an item that creates a new substance, releases light or heat

c)

an item's sound

d)

an item's look or state of matter

17.

A physical change is a change

a)

in an item's properties like its shape, size or density.

b)

that creates a new substance or emits light or heat

c)

that creates a smell

d)

that cannot be undone

18.

Identify the change:

Glass breaking

a)

Physical

b)

Chemical

19.

Identify the change:

Wood burning

a)

Physical

b)

Chemical

20.

Bending metal

a)

Physical Change

b)

Chemical Change

21.

Boiling Water

a)

Physical Change

b)

Chemical Change

22.

Ice cream melting

a)

Physical Change

b)

Chemical Change

23.

A Candle Burning

a)

Physical Change

b)

Chemical Change

24.

Is a rusting bicycle a chemical or physical change?

a)
chemcial
b)
physical
25.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
26.

When salt dissolves is water, that is a _____.

a)
physical Change
b)
chemical change
27.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
28.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
29.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
30.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
31.
Good conductor of heat
a)
Metal
b)
Nonmetal
32.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
33.
Good conductor of heat
a)
Metal
b)
Nonmetal
34.
Which of the following is a property of a non-metal?
a)
Conducts electricity and heats well
b)
Can be hammered into thin sheets
c)
Is brittle and breaks easily
d)
Has a shiny, metallic luster
35.
Iron is a good conductor, malleable and magnetic. What type of element is Iron? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
36.
The word “luster” refers to which property of matter?
a)
The ability to conduct electrical or thermal energy
b)
Capable of being drawn out into thin wires
c)
The way a surface appears when it reflects light
d)
Suitable for being shaped by beating or rolling
37.
At room temperature metals are ____________.
a)
plasma
b)
gases
c)
liquid
d)
solid
38.
Metalloids _____________
a)
have no properties of metals.
b)
have no properties of nonmetals.
c)
have some properties of both metals and nonmetals.
d)
none of the above
39.
Where are metalloids located on the periodic table?
a)
to the right of nonmetals
b)
along the zig-zag line
c)
to the left of the zig-zag line
d)
to the right of the zig-zag line
40.

When an object changes shape when struck by a hammer it is said to be...

a)

luster

b)

malleable

c)

brittle

d)

ductile

41.
Is gold metal or nonmetal?
a)
metal
b)
nonmetal
42.
How do metals differ from nonmetals?
a)
metals are shiny, nonmetals are dull
b)
metals are good insulators, nonmetals are good conductors
c)
metals are powdery
d)
nonmetals are shiny
43.

Elements in the shaded area can best be described as -

a)

Shiny and brittle, semiconductors

b)

Insulators

c)

Good conductors

44.

The elements argon, krypton, and xenon are all non-metals.What property would these elements have in common?

a)

Good conductor of thermal energy

b)

Poor conductor of electricity

c)

Shiny, lustrous surface

d)

Soft and malleable

45.
Brittleness is _________
a)
the capability of being broken.
b)
the capability of being bent.
c)
the capability of being stretched.
d)
the capability of being molded.
46.

Carbon is dull and brittle. Carbon is a

a)

metal

b)

nonmetal

c)

metalloid

47.

Is Sulfer Metal, Non Metal or Metalloid?

a)

Metalloid it has properties of both Metals and Non Metals.

b)

Non Metal

Dull luster

Brittle not Malleable and does not conduct electricity or heat.

c)

Metal

Luster Metallic

Conducts electricity

left side of Periodic Table

d)

It is a noble gas

48.

Which two un-kown substance are Metals?

a)

Substance 1

b)

Substance 2

c)

Substance 3

d)

Substance 4

49.

A compound element has more than one type of atoms.

example H20

2 Hydrogen atoms and 1 Oxigen atoms.

HCL 1 Hidrogen 1 Clorine

What is a Compound element?

4 lines
50.

Write a formula for compound element and the example of a molecule

51.
What two types of measurements make up DENSITY
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
52.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
53.
If an object has a density of .6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
54.
If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
55.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
56.
What units are used to measure mass?
a)
g
b)
cm3
c)
g/cm3
d)
cm3/g
57.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
58.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
59.
True or False:  The density of a specific type of material never changes.  
a)
True
b)
False
60.
Calculate the density of the cube.
a)
2 g/cm3
b)
4 g/cm3
c)
6 g/cm3
d)
8 g/cm3
61.

How will this object move?

a)

It will not move

b)

It will move in both directions

c)

It will move to the right

d)

It will move to the left

62.

If forces are going in the same direction, you should

a)

add the forces                      

b)

subtract the forces

c)

multiply the forces               

d)

divide the net force

63.

What is the net force?

a)

40 N left          

b)

0 N Balanced

c)

400 N right

d)

40 N right

64.

Which of the following is an example of an unbalanced force?

a)

b)

c)

d)

65.

The unit for force is called

a)

Metre

b)

Newton

c)

Galileo

d)

Archimedes

66.

The sum of all forces acting on an object is

a)

balanced.                  

b)

unbalanced.                  

c)

friction           

d)

the net force

67.

What are balanced forces?

a)

forces of the same size, in opposite directions

b)

the same size in the same direction

c)

forces in opposite directions

d)

forces at right angles to each other

68.

Two forces on an object are in the same direction. How do we calculate the resultant force?

a)

take away one from the other

b)

multiply them

c)

divide one by the other

d)

add them together

69.

What is the net force?

a)

17 N Right

b)

3 N Right

c)

3 N Left

d)

17 N Left

70.

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.

71.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
72.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
73.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
74.
A baseball held by a pitcher has _____________energy.
a)
Kinetic
b)
Chemical 
c)
Potential
d)
Thermal
75.
At what position does the rock have the greatest kinetic energy?
a)
A
b)
B
c)
D
d)
E
76.
Wood, batteries, gasoline, and  food are all examples of ________________________.
a)
gravitational potential energy
b)
elastic potential energy
c)
chemical potential energy
d)
None of the above
77.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
78.

When you compress a spring, you are storing __________ energy.

a)

sound

b)

elastic

c)

light

d)

chemical

79.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
80.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
81.
__________ is stored energy. 
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
82.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
83.
Energy can not be created or destroyed, only converted from one form to another.
a)
true
b)
false
84.
Explain what happens to the potential energy of a rock as it falls off the side of a cliff.
a)
The kinetic energy decreases as the potential energy increases.
b)
The kinetic energy decreases as the potential energy decreases.
c)
The potential energy decreases as the kinetic energy increases.
d)
The potential energy decreases as the kinetic energy decreases. 
85.
When riding a roller coaster, you go up and down many hills. As you get to the top of a roller coaster, what energy change is taking place.
a)
Potential energy is changed into kinetic energy.
b)
Kinetic energy is changed into potential energy.
c)
Chemical energy is changed into heat energy.
d)
Heat energy is changed into chemical energy. 
86.

Which passenger has the most potential energy?

a)

A

b)

B

c)

C

d)

D

87.

The formula for calculating the gravitational potential energy in an object is shown above. Which object will have the largest value for its GPE

a)
b)
c)
d)
88.

If these are all moving at the same speed, the vehicle with the greatest KE would be

(Think about their sizes)

a)
b)
c)
d)
89.

Determine whether the following example is Potential Energy (PE) or Kinetic Energy (KE):


flashlight turned off

a)

Potential Energy

b)

Kinetic Energy

90.
a)
Potential Energy
b)
Kinetic Energy
91.

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

a)

More

b)

Less

92.

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. 

93.

Which is the best example that something has kinetic energy?

a)

a car parked at the top hill 

b)

a rolling tennis ball.

c)

a picture hanging on the wall 

d)

a piece of coal before it's burned 

94.

What is kinetic energy?

a)

Heat energy

b)

energy of gravity

c)

energy of motion

d)

chemical energy

95.

What two factors affect an object's kinetic energy?

a)

area and volume

b)

mass and volume

c)

weight and height

d)

mass and speed

96.

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

a)

W

b)

X

c)

Y

d)

Z

97.

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

a)

W

b)

X

c)

Y

d)

Z

98.

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

a)

True

b)

False

99.

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

a)

True

b)

False

100.

What kind of energy is in a rock at the edge of a cliff?

a)

potential

b)

Kinetic

101.

What kind of energy is in a moving skateboard?

a)

Potential

b)

Kinetic

102.

What kind of energy is in a stretched rubber band?

a)

Potential

b)

Kinetic

103.

At which point is potential energy greatest?

a)

W

b)

X

c)

Y

d)

Z

104.
What is a disadvantage of using an inclined plane to lift a heavy object?
a)
The object must be moved a greater distance.
b)
It takes less effort to move the object.
c)
Many objects are difficult to lift straight up.
d)
Heavy object usually take up more space.
105.
An inclined plane reduces the amount of force needed to move an object by - 
a)
increasing the distance the object moves.
b)
transferring more of the force to the object
c)
reversing the direction the object is moved.
106.
Elements of an Inclined Plane
a)
Slope and Rise
b)
Load
c)
Mechanical Advantage
d)
Simple Machine
107.
The object or weight being moved or lifted is...
a)
Work
b)
Effort
c)
Weight
d)
Load
108.
The inclined plane makes work easier by _____ the amount of effort that must be applied to raise or lower a load.
a)
increasing
b)
accelerating
c)
reducing
d)
softening
109.

Listen and fill in the blank:

"Can you make a ramp that is on a slant? Oh hey, it's an ___________"

a)

lever

b)

inclined plane

c)

pulley

110.

A lever is a stiff bar that rests on a support (fulcrum). A lever is used to lift and move things. When you push down on one end, the other end lift up.

Which picture below shows a lever?

a)
b)
c)
111.

Which picture shows an inclined plane?

a)
b)
c)
112.

Problem

A student walks 3 km in 20 minutes. What is the student’s average speed in km/h

a)

12

b)

9

c)

7

d)

6

113.

Problem

A car travels 10 km in 15 minutes. What is the average speed of the car?

a)

25 km/h

b)

20 km/h

c)

40 km/h

d)

45 km/h

114.
a)
b)
c)
d)
115.

Problem

A dog runs 6 km in 30 minutes. What is the dog’s average speed in km/h?

a)

25

b)

180

c)

12

d)

5

116.

a)

Carleton walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.

b)

Carleton ran all the way from school to home going the same constant speed and never stopping.

c)

Carleton waited around after school for his friend, and then they ran home together.

d)

Carleton ran for a long time, then slowed down to walk the rest of his trip. Once he got home, he sat down on the couch.

117.

a)

Jessica ran all the way from school to home going the same constant speed and never stopping.

b)

Jessica waited around after school for her friend, and then they ran home together.

c)

Jessica ran for a long time, then slowed down to walk the rest of her trip. Once she got home, she sat down on the couch.

d)

Jessica walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.

118.

Problem

Which of the following best describes the speed of an object?

a)

14 m/s2

b)

14 m/s south

c)

14 m/s

d)

14 m south

119.
a)

0.8 m/s

b)

0.08 m/s

c)

1.25 m/s

d)

0.125 m/s

120.
a)

Sam ran for a long time, then slowed down to walk the rest of his trip. Once he got home, he sat down on the couch.

b)

Sam waited around after school for his friend, and then they ran home together.

c)

Sam walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.

d)

Sam ran all the way from school to home going the same constant speed and never stopping.

121.
Which of the following can you use to calculate an object's speed?
a)
distance/time
b)
time/force
c)
change in velocity/time
d)
direction/time
122.
An object moves a distance of 30 meters in 10 seconds. What is its speed?
a)
1/3 m/s
b)
3 m/s
c)
3 s/m
d)
300 m/s
123.
After how much time did the train make its first stop?
a)
0 hours
b)
4 hours
c)
6 hours
d)
12 hours
124.
What was the speed of the train between 0 and 4 hours?
a)
1 km/h
b)
10 km/h
c)
100 km/h
d)
100 h/km
125.

7. How fast are you going if you walk 24 km in 3 hours?

a)

72 km/h

b)

36 km/h

c)

27 km/h

d)

8 km/h

126.

#4 Show all your work on your answer document.

a)

4.5 m/s

b)

0.22 m/s

c)

175 m/s

d)

11250 m/s

127.

#10 Show all your work on your answer document. (Average speed = total distance / total time)

a)

6.25 km/min

b)

21 m/s

c)

0.16 km/min

d)

100 m/s

128.

#9 Show all your work on your answer document. (Average speed = total distance / total time)

a)

1.6 km/min

b)

1.6 m/s

c)

0.625 km/min

d)

0.625 m/s

129.

#2 Show all your work on your answer document.

a)

400 m/min

b)

0.0025 m/min

c)

3600 mi/hr

d)

40 m/s

130.

Ms. H rides her unicorn to the mall. The mall is 2400 meters from her home and it takes her 12 minutes to get to the mall. What is Ms. H's average speed in meters per minute?

a)

200 m/m

b)

150 m/m

c)

220 m/m

d)

250 m/m

131.

How fast is uncle Billy running if it takes him 30 minutes to travel 240 meters?

a)

10 m/m

b)

6 m/m

c)

8 m/m

d)

5 m/m

132.

What is the speed of a rocket that travels 9000 meters in 12.12 seconds?

a)

725 m/s

b)

7,425 m/s

c)

742.5 m/s

d)

680 m/s