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Units 1 and 2 Spiral Review

Total questions: 80

Worksheet time: 2hrs 36mins

Name
Class
Date
1.
Are made from a combination of 2 or more elements...
a)
Molecules
b)
Pure Substances
c)
Compounds
d)
Elements
2.
A combination that can be separated by physical processes is a .....
a)
Pure Substance
b)
Glucose
c)
Element
d)
Mixture
3.
A mixture that is NOT evenly distributed is called ....
a)
Compounded
b)
Homogenous
c)
Heterogenous
d)
Salty
4.
Substance with atoms that are all alike.
a)
element
b)
compound
c)
homogeneous mixture
d)
heterogeneous mixture
5.
This picture represents: 
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
6.
This picture represents: 
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
7.
This picture represents: 
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
8.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
9.
Which one of these pictures represents a pure substance? 
a)
1 and 2
b)
1 and 3
c)
2 and 3
d)
1, 2 and 3
10.
Which of the following is an element?
a)
Sugar
b)
Salt
c)
Water
d)
Oxygen
11.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

12.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
13.

The innermost energy level has a maximum of how many electrons?

a)

1

b)

2

c)

6

d)

8

14.

What does the Bohr Model represent?

a)

The structure of molecules

b)

The structure of the Solar System

c)

The structure of an atom

d)

The structure of East Hills

15.

Which Bohr model represents Oxygen?

a)
b)
c)
d)
16.

What is the mass of this element?

a)

0

b)

1

c)

2

d)

3

17.
Which state of matter does ice start as (before you cool it)?
a)
liquid
b)
solid
c)
gas
18.
On a hot summer day chocolate candy can melt in your pocket.  How can you get the chocolate to return to a solid?
a)
add heat
b)
leave it in your pocket
c)
cool it in the refrigerator
d)
leave it outside
19.
Molecules are closest together in a 
a)
Solid
b)
Liquid
c)
Gas
d)
plasma
20.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
21.
What term describes a solid changing to a gas?
a)
Deposition
b)
Sublimation
c)
Evaporation
d)
Freezing
22.
Particles (molecules) in a ______________________ have more energy than the other states of matter.
a)
gas
b)
solid
c)
liquid
23.
The speed of the molecules determines the _____.
a)
volume
b)
density
c)
pressure
d)
temperature
24.
A chemical change
a)
doesn't really change much.
b)
creates a new substance
c)
is a change in the state of matter
25.
A physical change is...
a)
a change that doesn't change the identity
b)
a change that makes something new.
c)
a chemical reaction
26.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
27.
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
28.
A gas has a mass of 5 grams and a volume of 4 L. According to the table what is the gas?
a)
Neon
b)
Nitrogen
c)
Oxygen
d)
Fluorine
29.
Which box has a higher density?  
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
30.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
31.
Ice melting
a)
Chemical Change
b)
Physical Change
32.
Cake batter baked in an oven
a)
Chemical Change
b)
Physical Change
33.
Baking soda and vinegar combine to make carbon dioxide
a)
Chemical Change
b)
Physical Change
34.
A student is creating a potting soil mix. She combines 100 grams of sand, 200 grams of soil, and 200 grams of pebbles to make her potting soil. What is the mass of the potting soil?
a)
100 grams 
b)
200 grams
c)
300 grams
d)
500 grams
35.
The Law of Conservation of Mass tells us matter can't  ______________.
a)
change color
b)
change state of matter
c)
be created or destroyed
d)
change temperature
36.

Which of the following would be considered a physical change?

a)

Cutting paper

b)

pH test

c)

Burning marshmellow

d)

Roasting a Turkey

37.
What is the evidence of the chemical change seen here?
a)
Color change
b)
Light produced
c)
state change
d)
mixture
38.
Which is the correct atom count for the reactant side of the chemical equation?
CH4 + 2 O2 -> CO2 + 2 H2O
a)
C=4
H=4
O=4
b)
C=1
H=4
O=2
c)
C=1
H=4
O=2
d)
C=1
H=4
O=4
39.
Chose the correct labels for the parts of a chemical equation.
a)
reactants yield products
b)
reactants make compounds
c)
products equal reactants
d)
products yield reactants
40.
Which side of a chemical equation is the product side?
a)
Left (before the yields sign)
b)
Right (after the yields sign)
41.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
42.
Which point has the most potential energy?
a)
G
b)
f
c)
b
d)
a
43.
Which 2 letters have the most kinetic energy
a)
W & Y
b)
X & Z
44.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases 
c)
The kinetic energy decreases while the potential energy increases 
d)
Bothe the potential energy and kinetic energy increase 
45.

The sum of potential energy and kinetic energy equals

a)

work

b)

transformation

c)

total energy

d)

mechanical energy

46.
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 
47.

What type of energy transformation occurs in an electric hot that is turned on?

a)

thermal energy to electrical energy

b)

electrical energy to thermal energy

c)

thermal energy to mechanical energy

d)

mechanical energy to thermal energy

48.

When a car burns gasoline it creates hot air to move the pistons in the engine, which causes the car to move. What energy transformation occur from the fuel to the movement of a car?

a)

thermal energy to mechanical energy

b)

thermal energy to chemical energy to mechanical energy

c)

chemical energy to thermal energy to mechanical energy

d)

chemical energy to electrical energy

49.
If you increase the mass on an object, its acceleration
a)
decreases
b)
stays the same
c)
also increases
d)
stops
50.
In a car accident, a passenger not wearing a seat belt may crash through a windshield because of his or her inertia.
a)
False
b)
True
51.
Newton's law of motion describes the relationship of force, mass, and acceleration. Write the equation.
a)
M=F/A
b)
F=MA
c)
A= F/M
d)
All of the above
52.
If you increase the force on an object, its acceleration? 
a)
decreases
b)
stays the same
c)
also increases
d)
stops
53.

Look at this scenario, which law does this represent?

a)

Law of Inertia (1st law)

b)

Law of Force and Acceleration (2nd law)

c)

Law of Action-Reaction (3rd law)

54.

In this scenario, which law does this represent?

a)

Law of Inertia (1st law)

b)

Law of Force and Acceleration (2nd law)

c)

Law of Action-Reaction (3rd law)

55.

An 18-wheeler requires more time and distance to stop than a Mini-Cooper.

a)

Law of Inertia (1st law)

b)

Law of Force and Acceleration (2nd law)

c)

Law of Action-Reaction (3rd law)

56.

If two boxes are pushed with the same amount of total force, and one weighs 1kg and the other weighs 100kg, which one will accelerate faster?

a)

1kg box

b)

100 kg box

c)

they will accelerate at the same rate

57.
What is the magnitude (size) and direction of the net force?
a)
15 N to the left
b)
15 N to the right
c)
1 N to the left
d)
1 N to the right
58.
What is the magnitude (size) and direction of the net force?
a)
14 N Down
b)
14 N Up
c)
6 N Up
d)
6 N Down
59.
What is the magnitude (size) and direction of the net force?
a)
21 N to the Left
b)
3 N to the Left
c)
21 N to the Right
d)
3 N to the Right
60.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
61.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
62.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
63.
What happens when ice cubes melt in a glass?
a)
Heat travels from the ice to the warmer water.
b)
No energy is transferred.
c)
Heat is transferred from the warmer water to the ice cubes.
d)
The water warms up due to the humidity
64.
Which direction will the heat flow while this person holds a hot cup of tea?
a)
from the cup to her hand
b)
from her hand to the cup
c)
no heat is transferred
65.
What type of energy does this provide?
a)
thermal
b)
radiant
c)
sound
d)
mechanical
66.
Food, batteries, and fuel such as gasoline are similar because they are sources of _________ energy.
a)
chemical energy
b)
kinetic energy
c)
mechanical energy
d)
heat energy
67.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
68.
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
69.
What is happening at E?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Steady speed; returning to start position
70.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
71.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking 
b)
Running
c)
Standing Still 
d)
Walking Fast
72.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
73.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
74.

What is happening in this graph from point A to B?

a)

The object is accelerating.

b)

The object is not moving.

c)

The object is decelerating.

d)

The object is moving at a constant speed.

75.

Assuming size indicates mass, would B or C have greater Potential Energy?

a)

B

b)

C

c)

They are the same

76.
This is a velocity-time graph.  What is the object doing in segment B?
a)
Positive acceleration
b)
Negative acceleration
c)
Constant Velocity
d)
Not moving
77.

During which interval is the object speeding up?

a)

A to B

b)

B to C

c)

D to E

d)

E to F

78.
Which line represents an object moving at a faster speed?
a)
A
b)
B
79.
If there are two forces going in the SAME direction, you would ...?
a)
(-) Subtract the forces
b)
(+) Add the forces
c)
Neither
d)
(x) Multiply
80.

If the net force is 0 the object will ...

a)

CHANGES motion

b)

STAY the SAME, NOT Move

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