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Science Final Exam Review

Total questions: 100

Worksheet time: 3hrs 36mins

Name
Class
Date
1.

The table shows the number of neutrons, protons, and electrons for two atoms. How are the two atoms alike?

a)

They have the same charge.

b)

They have the same mass number.

c)

They have the same atomic number

d)

They are atoms of the same element.

2.

The diagram shows the arrangement of electrons in a neon atom. How many protons are present in this atom's nucleus?

a)

10

b)

8

c)

2

d)

There is not enough information to answer this question.

3.

In the diagram, the arrows labeled III point to the atom's ______________.

a)

Protons

b)

Neutrons

c)

Nucleus

d)

Electrons

4.

Sulfur is a nonmetal. Of the following, the physical characteristic that is most

likely to describe a sample of sulfur is —

a)

a shiny appearance

b)

brittleness

c)

malleability

d)

ductility

5.

How many of each atom are in the compound above?

a)

1 magnesium atom, 2 iron atoms, and 4 oxygen atoms

b)

3 magnesium atoms, 2 iron atoms, and 4 oxygen atoms

c)

6 magnesium atoms, 6 iron atoms, and 12 oxygen atoms

d)

3 magnesium atoms, 6 iron atoms, and 12 oxygen atoms

6.

Potassium nitrate is a compound used in some fertilizers. Its chemical formula

is KNO3. How many TOTAL atoms are in each unit of potassium nitrate?

a)

2

b)

5

c)

3

d)

9

7.
Where are earthquakes most likely to occur?
a)
In the middle of plates
b)
In the oceans
c)
Along plate boundaries
d)
Anywhere on the Earth
8.
Why does the Earth orbit the Sun and not a planet in the solar system?
a)
The Sun is more massive than the planets so it's mass causes the gravitational pull.
b)
It just happened that way.
c)
The Earth pulls the Sun toward it  because it is so massive.
d)
The Earth is closer than the other planets so the distance causes the gravitational pull.
9.
Some objects like the Sun produce their own light.  Others don't.  Why can we see objects that don't produce light?
a)
They absorb the light.
b)
They reflect the light.
c)
They transmit the light.
d)
They bounce the light around until it strikes our eyes.
10.
Suppose you find fossils of dinosaurs on an island but no fossils of bird or mammal fossils found on the continent it broke off from  This information provides evidence of _________________.
a)
global warming
b)
seafloor spreading
c)
mountain building
d)
continental drift
11.

How do folded mountains form?

a)

They form when plate boundaries diverge.

b)

They form on the continent side of convergent boundaries.

c)

They form when plates collide or push against each other.

d)

They can form several different ways.

12.
Which states of matter have volume?
a)
solid and liquid
b)
solid, liquid, and gas
c)
liquid and gas
d)
solid and gas
13.
Which statement best describes atoms? 
a)
They are made of molecules
b)
Some do not have protons
c)
They have a nucleus
d)
They can be seen with a regular microscope
14.

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

a)

30 m/s

b)

30 m/s east

c)

30 m/s2

d)

30 m

15.

What is the difference between the velocity and speed of an object?

a)

Velocity is the change in distance over time, while speed is the change in velocity over time.

b)

Velocity has a direction associated with it, while speed has no specific direction.

c)

Velocity is the change in speed over time, while speed is the change in distance over time.

d)

Velocity has no direction associated with it, while speed has a specific direction.

16.

The diagram shows a graduated cylinder containing water. From which position will the most accurate measure of the volume of water be made?

a)

Position 1

b)

Position 2

c)

Position 3

d)

Position 4

17.

Which graph represents zero acceleration (constant velocity)?

a)

A

b)

B

c)

C

d)

D

18.

All the organisms in a particular location, including their nonliving environment

a)

ecosystem

b)

carnivore

c)

niche

d)

population

19.

Name the moon phase

a)

waning crescent

b)

waxing crescent

c)

waning gibbous

d)

waxing gibbous

20.

What Moon phase is this?

a)

Full Moon

b)

Waxing Gibbous

c)

New Moon

d)

Half Moon

21.

Based on the image, what lunar phase will be visible from Earth next?

a)

waxing gibbous

b)

first quarter

c)

full moon

d)

new moon

22.

What comes directly after this moon phase?

a)

First Quarter

b)

waning gibbious

c)

New Moon

d)

Full Moon

23.

Temperature, light, air, water, and soil are all _____ parts of the environment

a)

alive

b)

biotic

c)

abiotic

d)

living

24.

What are the biotic factors in this image?

a)

sunlight, elephants, and grasses

b)

sunlight, water, and air

c)

elephants, plants, trees

25.

88 m/s

a)

Speed

b)

Velocity

c)

Acceleration

26.

increase speed

a)

Speed

b)

Velocity

c)

Acceleration

27.

A boundary in which 2 plates move together

a)

convergent

b)

divergent

c)

transform

28.

A region where the rigid plates are moving apart (away from each other)

a)

Convergent

b)

Divergent

c)

Transform

29.

A boundary in which 2 plates slide past each other

a)

transform

b)

Divergent

c)

Convergent

30.

A fracture in Earth where movement has occurred

a)

rift valley

b)

fault

c)

volcano

31.

Deep faulted structure found at divergent plate boundaries

a)

rift valley

b)

fault

c)

mountain

32.

Process that forms new sea floor

a)

mid-ocean ridge

b)

continental drift

c)

sea-floor speading

33.

Place where sea floor is forced down into the mantle

a)

trench

b)

fault

c)

continental drift

34.

An underwater mountain range

a)

Appalachian

b)

Glacial deposits

c)

Mid-ocean ridge

35.

Clues that support the continental drift

a)

glacial deposits

b)

continental drift

c)

rocks, fossils and climate

36.

Movement of the continents

a)

sea-floor spreading

b)

continental drift

c)

mid-ocean ridge

37.

A _________ occurs when two or more substances join to form new substances with new properties.

a)

chemical change

b)

phase change

c)

physical change

38.

A _________ does not result in a new substance being formed.

a)

chemical change

b)

physical change

c)

chemical reaction

39.

Which liquid is the least dense?

a)

Oil

b)

Water

c)

Syrup

d)

Plastic bottle

40.
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
a)
100 m/s2
b)
25,000 m/s2
c)
10 m/s2
d)
25 m/s2
41.
Forces that have a net force of zero 
a)
Balanced force
b)
Unbalanced force
42.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
43.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
44.

an imaginary line that an object spins or revolves around

a)

equator

b)

hemisphere

c)

axis

d)

latitude

45.

the orbiting of an object around another object

a)

Solstice

b)

Revolution

c)

Rotation

d)

Equinox

46.

When the Northern Hemisphere is tilted away from the sun it is the

a)

Summer Solstice

b)

Vernal Equinox

c)

Winter Solstice

d)

Autumnal Equinox

47.

When the Northern Hemisphere is tilted toward the sun it is the

a)

Summer Solstice

b)

Vernal Equinox

c)

Winter Solstice

d)

Autumnal Equinox

48.

The moon phase cycle repeats about every

a)

365 days

b)

20 days

c)

29 days

d)

15 days

49.
What feature is formed at B?
a)
river
b)
rift valley
c)
sink hole
d)
mountain
50.

Which laboratory instrument is best used to hold, mix, or heat liquids and give an approximate volume but is not intended to measure exact volumes?

a)

test tube

b)

Erlenmeyer flask

c)

beaker

d)

graduated cylinder

51.

A car travels 50 miles in 2 hours. At what speed was the car traveling?

a)

25 mph

b)

50 mph

c)

100 mph

d)

75 mph

52.

Which of Newton's Three Laws illustrates is demonstrated by a rocket launched from the Earth?

a)

Newton's First Law

b)

Newton's Second Law

c)

Newton's Third Law

d)

Newton's Fourth Law

53.

A waves height is its

a)

wavelength

b)

frequency

c)

amplitude

d)

longitude

54.

Which of the following is a piece of evidence that supports the theory of Pangaea?

a)

volcanoes and earthquakes occur along the edge of the continental plates

b)

we can see the plates moving with our own eyes

c)

convection currents are present in the upper mantle

d)

similar fossils can be found on the edges of different continents

55.

Seasons on Earth are caused by the Earth's

a)

rotation on its axis

b)

tilt of on its axis and revolution around the sun

c)

tilt on its axis

d)

revolution around the sun and rotation

56.
The living organisms in an ecosystem such as plants and animals
a)
adaptation
b)
biotic
c)
decomposer
d)
abiotic
57.
The non-living factors in an ecosystem such as rocks, water and temperature.
a)
natural selection
b)
biotic
c)
biodiversity
d)
abiotic
58.
Organisms that make their own food. Also called autotrophs.
a)
Producer
b)
Parasite
c)
Scavenger
d)
Decomposer
59.
Organisms that eat other organisms (heterotroph).
a)
Producer
b)
Parasite
c)
Consumer
d)
Scavenger
60.
Organisms that digest dead producers and consumers such as mold, fungus, bacteria and worms.
a)
Producer
b)
Parasite
c)
Decomposer
d)
Consumer
61.
Which one of the following is NOT an example of an electromagnetic wave?
a)
sound wave
b)
x-rays
c)
red light
d)
gamma rays
62.
All atoms have a ___________ in the center.
a)
electron
b)
cloud
c)
nucleus
d)
particle
63.
The nucleus of the atom has  the 
___________ and ___________ in it.
a)
protons and neutrons
b)
electrons and neutrons
c)
protons and electrons
64.
A proton has a ___________ charge.
a)
positive
b)
negative
c)
neutral
65.
The electrons are in the electron _________.
a)
region
b)
area
c)
cloud
66.
An electron has a ___________ charge.
a)
positive
b)
negative
c)
neutral
67.
Protons, neutrons, and electrons are called ____________ particles.
a)
atomic
b)
subatomic
c)
nucleus
68.
What so the blue circles represent?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
69.
What do the red circles represent?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
70.
What do the black circles represent?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
71.
What do the red and blue circles represent?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
72.

Which is the best example of a chemical change?

a)

butter melting

b)

egg cooking

c)

paper tearing

d)

water evaporating

73.

Which chemical equation best represents the Law of Conservation of Mass?

a)

H + O → H2O

b)

H2 + O2 → H2O

c)

2H2 + O2 → 2H2O

d)

H2 + O2 → 2H2O2

74.
The scientific study of the structure, properties, and reactions of the chemical elements and the compounds they form.
a)
Chemistry
b)
Theory
c)
Law
d)
Control
75.

What keeps the planets in orbit around the sun?

a)

gravity

b)

friction

c)

density

d)

distance

76.

What is gravity?

a)

Gas

b)

A force

c)

A mass

d)

The atmosphere

77.

A measure of how much matter is in an object

a)

Force

b)

Matter

c)

Gravity

d)

Mass

78.

The measure of how heavy an object is

a)

Mass

b)

Gravity

c)

Weight

d)

Force

79.
The car is traveling with constant velocity. If you add an unbalanced force to the car, which of the following is true?
a)
it could change direction
b)
it could increase speed
c)
it could decrease speed
d)
all of these
80.
Calculate the net force action on the rocket.
a)
55 N
b)
20 N 
c)
35 N
d)
75 N
81.
Based on the numbers, what direction will the rocket move?
a)
up
b)
down
c)
it won't move
82.

A plastic stick is attracting small pieces of brightly colored paper. If the stick has a positive charge, then the paper that sticks to it must have

a)

A smaller charge

b)

A greater charge

c)

A negative charge

d)

A positive charge

83.

There are many forces acting on this car. Two of them are shown. What is the net (resulting) force?

Which claim is correct? The Net Force is...

a)

30 N to the left

b)

30 N to the right

c)

70 N to the left

d)

70 N to the right

84.

Which image represents a full moon?

a)
b)
c)
85.

Which image represents a quarter moon?

a)
b)
c)
86.

Which image represents a crescent moon?

a)
b)
c)
87.

How long does Earth take to rotate on its axis?

a)

30 minutes

b)

a month

c)

a day

d)

one year

88.

How long does Earth take to orbit the sun?

a)

30 minutes

b)

a month

c)

a day

d)

one year

89.

What does our moon orbit around?

a)

sun

b)

earth

c)

pluto

90.

How many planets are in our solar system?

a)

9

b)

8

c)

6

91.

What is the star at the center of the solar system called.

a)

moon

b)

earth

c)

sun

92.

What force keeps the planets orbiting the sun?

a)

gravity

b)

force

c)

motion

93.

What is The force that pulls objects down towards the center of the Earth.

a)

force

b)

gravity

c)

motion

94.

What is Newton's 2nd law?

a)

for every action there is an equal and opposite reaction

b)

an object in motion stays in motion and an object at rest stays at rest, unless acted upon by another FORCE

c)

FORCE = mass x acceleration

95.

What is Newton's 1st law of inertia about?

a)

for every action there is an equal and opposite reaction

b)

an object in motion stays in motion and an object at rest stays at rest, unless acted upon by another FORCE

c)

FORCE = mass x acceleration

96.

What is Newton's 3rd law?

a)

for every action there is an equal and opposite reaction

b)

an object in motion stays in motion and an object at rest stays at rest, unless acted upon by another FORCE

c)

FORCE = mass x acceleration

97.

Scientists believe the earth is 4.5 _______________ years old.

a)

million

b)

trillion

c)

billion

d)

thousand

98.

A ___________ is a boundary separating two types of weather.

a)

storm

b)

climate

c)

front

d)

fence

99.

Scientists once thought that the continents had formed in their current locations. Alfred Wegener first published his theory of continental drift in 1915. Which of the following provides evidence for continental drift?

a)

Movement of the Australian continent was observed.

b)

Africa and South America have the same type of climate.

c)

Plants and animals found in Africa differ from those found in Australia.

d)

Africa, North America, and South America almost fit together like a puzzle.

100.

Which form of heat transfer takes place between materials that are touching?

a)

conduction

b)

convection

c)

radiation

d)

subduction

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