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Science Review

Total questions: 104

Worksheet time: 3hrs 14mins

Name
Class
Date
1.

What is the smallest unit of matter? It is composed of protons and neutrons, held together in the nucleus, and electrons around the nucleus in different electron orbitals, which form an electron cloud.

a)

cell

b)

nucleus

c)

atom

d)

electron

2.

What are any of the various self-contained units of matter or energy that are fundamental parts of all matter. These particles include electrons, protons, and neutrons.

a)

subatomic particles

b)

elements

c)

nucleus

d)

electron cloud

3.

What is a subatomic particle with a positive charge that is in the nucleus of an atom?

a)

neutron

b)

proton

c)

electron

d)

valence electron

4.

What is a subatomic particle without an electric charge, located in the nucleus of an atom?

a)

neutron

b)

proton

c)

electron

d)

valence electron

5.

What is a subatomic particle with a negative charge? It is found in the electron cloud surrounding the nucleus.

a)

neutron

b)

proton

c)

electron

d)

electron cloud

6.

What is the system of electrons surrounding the nucleus of an atom?

a)

valence electrons

b)

nucleus

c)

electrons

d)

electron cloud

7.

What is the center of an atom containing protons and neutrons?

a)

nucleus

b)

neutron

c)

proton

d)

electron cloud

8.

What is the number of protons in the nucleus of an atom that determines the chemical properties of an atom?

a)

mass number

b)

atomic mass

c)

atomic number

d)

atomic symbol

9.

What is the combined mass of all the protons and neutrons of an atom and is approximately equal to the number of protons and neutrons?

a)

atomic mass

b)

atomic number

c)

subatomic particles

d)

nucleus weight

10.

What is material that has mass and takes up space?

a)

volume

b)

mass

c)

matter

d)

density

11.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

12.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
13.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
14.

What is the atomic number?

a)

the number of protons in the nucleus

b)

the number of protons and neutrons in the nucleus

c)

the number of neutrons in the nucleus

d)

the number of protons in the energy levels

15.

What is the mass number?

a)

the number of protons in the nucleus

b)

the number of protons and neutrons in the nucleus

c)

the number of neutrons in the nucleus

d)

the number of protons and electrons in the atom

16.

What is the atomic number of this atom?

a)

1

b)

3

c)

4

d)

7

17.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

18.
Most of the mass in an atom is made up of _____________________?
a)
protons and electrons
b)
protons and neutrons
c)
neutrons and electrons
d)
electrons and quarks
19.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
20.

What does the 6 represent?

a)

Atomic mass

b)

atomic number

c)

chemical symbol

d)

element name

21.
How is the number of neutrons in the nucleus of an atom calculated?
a)
Add the number of e- and p+ together
b)
Subtract the number of e- from p+
c)
Subtract the number of p+ from the mass number
d)
Add the mass number to the number of e-
22.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons 
23.

How many electrons does this atom have?

a)

2

b)

4

c)

6

d)

10

24.
a)
2
b)
8
c)
3
d)
13
25.
a)
2
b)
3
c)
5
26.
a)
7
b)
8
c)
9
d)
10
27.
Valence electrons are the...
a)
Innermost electrons
b)
Middle electrons
c)
Outermost electrons
d)
Any electrons
28.

USE THE PERIODIC TABLE

How many valence electrons does sodium have?

a)

1

b)

2

c)

3

d)

4

29.

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

a)

31

b)

5

c)

15

d)

4

30.
Elements in the same column of the periodic table always have the same # of _______ as one another.
a)
Protons
b)
Neutrons
c)
Electrons
d)
Valence Electrons
31.
Which group has the greatest number of valence electrons?
a)
1
b)
14
c)
18
d)
16
32.

Which elements have the most similar chemical properties?

a)

boron and carbon

b)

oxygen and sulfur

c)

aluminum and bromine

d)

argon and silicon

33.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
34.
Element or compound?
H2O
a)
element
b)
compound
35.
Which of the following is a compound?
a)
Co
b)
O2
c)
C
d)
CO2
36.
Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)
a)
H3SO4
b)
HSO4
c)
H4S3O
d)
H2O
37.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
38.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
39.

How many nitrogen atoms are there?

a)

4

b)

8

c)

10

d)

20

40.

How many oxygen atoms are there?

a)

3

b)

6

c)

8

d)

16

41.

How many atoms of carbon are there?

a)

3

b)

6

c)

18

d)

24

42.
In this image, the symbols to the right of the arrow (in black) are called the_______.
a)
Products
b)
Reactants
c)
Subscripts
d)
Coefficients
43.
Na + MgF2 -->  NaF + Mg
What are the reactants?
a)
Na + MgF2
b)
Na
c)
NaF + Mg
d)
NaF
44.
All of the following are chemical changes except
a)
iron rusting
b)
water evaporating
c)
wood burning
d)
food rotting
45.
NH3 ---> N2 + H2
What are the products?
a)
N2 + H2
b)
N2
c)
H2
d)
NH3
46.
Coal contains carbon and other elements. Carbon dioxide forms when coal burns in the presence of oxygen. Which of these is the best evidence that a chemical reaction occurs when coal burns?
a)
The shape of the coal changes
b)
Oxygen is present
c)
A new substance is produced
d)
Coal is made up of more than one element
47.
How many magnesium atoms in 
Mg(NO3)2
a)
1
b)
2
c)
3
d)
6
48.
How many nitrogen atoms in 
Mg(NO3)2
a)
1
b)
2
c)
3
d)
6
49.
How many oxygen atoms in 
Mg(NO3)2
a)
1
b)
2
c)
3
d)
6
50.

What law is best described

A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

a)

The Law of Inertia (1st law)

b)

The Law of Acceleration (2nd law)

c)

The Law of Conservation of Momentum

d)

Action Reaction Law (3rd law)

51.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Kilograms
52.
With unbalanced forces, the object will move in the direction that the _______ force is being applied.
a)
larger 
b)
smaller 
c)
equal 
d)
less
53.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
54.
You hit a wall with a stick.  The equal but opposite reaction is _____
a)
the wall pushes against you
b)
the stick pushes against you
c)
you push against the stick
d)
the wall pushes against the stick
55.
Which one is balanced?
a)
top
b)
bottom
c)
both
d)
neither
56.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
57.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
58.
If these boys 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.
59.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
60.

When a student runs and kicks a ball, they have applied an ___________ force to move the ball.

a)

Balanced

b)

Magnetic

c)

Spring

d)

Unbalanced

61.

When the teacher rearranges the desks in the classroom, she must apply ____________ to push and pull the desks around.

a)

acceleration

b)

force

c)

weight

d)

magnets

62.

A 20 kg bike accelerates at 10 m/s2. what was the force

F = m x a

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

63.

8 N to the left , and 4 N to the right. Find the net force. Is this balanced

a)

12 N Right No

b)

4 N Left No

c)

12 N Right Yes

d)

4 N Left Yes

64.

What is this graph representing?

a)

Constant Speed

b)

Acceleration (speeding up)

c)

Deceleration (slowing down)

d)

No motion

65.

Which is NOT a physical change?

a)

Cutting a pizza into equal slices.

b)

Ice cubes melting back into liquid. water

c)

Baking cupcakes.

d)

A chocolate bar melting.

66.

Which is an example of the law of inertia?

a)

A rocket taking off from Earth

b)

A crash test dummy flies through the windshield in a collision

c)

A small rock skips on a pond faster than a large rock

67.

Which is an example of the law of acceleration?

a)

A rocket taking off from Earth

b)

A crash test dummy flies through the windshield in a collision

c)

A small rock skips a pond faster than a large rock

68.

What is the formula for the law of acceleration?

a)

M = F x A

b)

F = M x A

c)

A = F x M

69.

Your car has a mass of 2500 kg and a force of 5000 N. How fast will it accelerate?

a)

1 m/s2

b)

2 m/s2

c)

3 m/s2

d)

4 m/s2

70.

What is the force of a baseball that has a mass of 142 kg and has an acceleration of 30 m/s2?

a)

1 N

b)

2 N

c)

4260 N

d)

3 N

71.

Which is an example of the law of action/reaction?

a)

A rocket taking off from Earth

b)

A crash test dummy flies through the windshield in a collision

c)

A small rock skips a pond faster than a large rock

72.
A car speeding up, a dog slowing down and person turning around the block are examples of..
a)
Balanced Forces
b)
Unbalanced Forces
73.
Created by a divergent boundary.
a)
Rocky Mountains
b)
Mariana Trench
c)
Mid Atlantic ridge
74.
Mountains form from ...
a)
plates sliding past one another
b)
collision of plates
c)
plates moving away from each other
75.
Which of the following is where one plate slides under another plate?
a)
submarine zone
b)
divergence zone
c)
subduction zone
d)
lower zone
76.
Associated with transform boundaries.
a)
Volcanoes
b)
mountains
c)
trenches
d)
earthquakes
77.
This land formation occurs at a divergent continental/ continental boundary.
a)
mid ocean ridge
b)
deep ocean trench
c)
pacific hot spot
d)
rift valley
78.
Name the boundary
a)
convergent boundary
b)
divergent boundary
c)
transform boundary
d)
sergent boundary
79.
What is represented by the picture? 
a)
Sea-floor spreading
b)
Pangea
c)
How the continents are arranged today
d)
Volcanoes
80.
Name the boundary
a)
convergent boundary
b)
divergent boundary
c)
transform boundary
d)
sergent boundary
81.
Name the boundary
a)
convergent boundary
b)
divergent boundary
c)
transform boundary
d)
sergent boundary
82.
A location where two tectonic plates collide is known as a _________ boundary.
a)
Convergent
b)
Divergent
c)
Transform
d)
Spreading
83.

Earth's plates meet at ____________.

a)

plate tectonics

b)

plate boundaries

c)

continental drift

d)

oceans

84.

Breaks in the crust called __________ form where plates meet.

a)

mountains

b)

rift valleys

c)

faults

d)

trenches

85.

Plates slide past each other at _________________ boundaries.

a)

divergent

b)

convergent

c)

transform

d)

universal

86.

A __________ forms where plates diverge on land.

a)

rift valley

b)

mid-ocean ridge

c)

mountain

d)

trench

87.

Plates slide apart along _____________ boundaries.

a)

convergent

b)

divergent

c)

transform

d)

universal

88.

Which theory describes the motion of the force driving Earth's Plates?

a)

continental drift

b)

plate tectonics

c)

first law of motion

d)

third law of motion

89.

What is the motion of Earth's plates like?

a)

fast and in stages

b)

slow and in stages

c)

fast and constant

d)

slow and constant

90.

Which feature forms at convergent boundaries?

a)

trench

b)

rift valley

c)

mountain range

d)

mid-ocean ridge

91.

The San Andreas fault is an example of which type of boundary?

a)

transform

b)

divergent

c)

convergent

d)

universal

92.

The San Andreas fault is an example of which type of boundary?

a)

transform

b)

divergent

c)

convergent

d)

universal

93.

A map that shows elevation on a flat piece of paper.

a)

general map

b)

topographic map

c)

navigation map

94.

What type of slope is from A to B?

a)

steep

b)

gentle

95.

What is the elevation at line C?

a)

800

b)

780

c)

760

96.

What is the contour interval on this map?

a)

50

b)

10

c)

100

97.

What landform is represented at letter B?

a)

river

b)

hill

c)

valley

98.

Which letter represents the highest point on the map?

a)

F

b)

B

c)

D

99.

Which letter represents a steep slope?

a)

Q

b)

E

c)

F

d)

C

100.

Look at the contour image of the mountain range and pick the correct side view (profile)

a)
b)
101.

A contour interval is the

a)

difference in distance between one contact line and the next

b)

difference in color between one contour line and the next

c)

difference in elevation between one contour line and the next

102.

If the contour lines on a map are closer together the hill would have a

a)

steep

b)

gradual

103.

This is the big island of Hawaii. If the sea levels rise by a couple of inches, which of the following would not be a change that would occur?

a)

The island would grow

b)

The beaches would erode away

c)

The coastal cities will be underwater

104.

What is the probable reason that the coastline has changed so drastically

a)

sharks

b)

wave erosion

c)

people moving onto the coast

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