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7th Science Final Exam Review 101

Total questions: 101

Worksheet time: 1hrs 25mins

Name
Class
Date
1.
Which layer is considered the thinnest layer?
a)
Mesosphere
b)
Core
c)
Mantle
d)
Crust
2.
Which layer is the OUTER CORE?
a)
1
b)
2
c)
3
d)
4
3.
Name this boundary
a)
Convergent
b)
Divergent
c)
Transform
d)
Sergent
4.
Name the boundary
a)
convergent
b)
transform
c)
divergent
d)
sergent
5.
Name the boundary
a)
divergent
b)
convergent
c)
transform
d)
sergent
6.
Mountains form from....
a)
Plates sliding past one another
b)
collision of plates
c)
plates moving away from each other
d)
none of these
7.
What type of boundary creates a new seafloor?
a)
convergent continental to continental
b)
convergent ocean to continental
c)
convergent ocean to ocean
d)
divergent 
8.
This layer contains the upper mantle and the crust.
a)
Mesosphere
b)
Asthenosphere
c)
Lithosphere
d)
Core
9.
What observation can we make about Earth’s lithosphere AND asthenosphere?
a)
The asthenosphere floats on top of the lithosphere.
b)
The crust and the core make up the lithosphere.
c)
The crust and mantle make up the asthenosphere. 
d)
The lithosphere floats on top of the asthenosphere
10.
A layer made of rock that is softer and can flow
a)
crust
b)
lithosphere
c)
asthenosphere
d)
mesosphere
11.

Which type of rock results from melting and cooling of magma?

a)

Igneous

b)

Metamorphic

c)

Sedimentary

d)

Extrusive

12.

Which type of rock forms from extreme heat and pressure?

a)

Igneous

b)

Sedimentary

c)

Organic

d)

Metamorphic

13.

Wind, water, and ice breaking down rock is called

a)

Erosion

b)

Deposition

c)

Compaction

d)

Weathering

14.

The process in which dissolved minerals crystallize and glue sediment together.

a)

compaction

b)

deposition

c)

organic rock

d)

cementation

15.
The color of a mineral in powder form is called the mineral's 
a)
hardness
b)
specific gravity
c)
luster
d)
streak
16.
How light reflects off of a mineral is called the mineral's 
a)
luster
b)
streak
c)
cleavage
d)
fracture
17.
Diamond has a hardness of ___ on Mohs Hardness Scale.
a)
1
b)
5
c)
8
d)
10
18.
A naturally occurring, inorganic solid with a crystal structure and a definite chemical composition is referring to
a)
density
b)
streak
c)
mineral
d)
non silicate mineral
19.
A mineral's resistance to being scratched is called?
a)
streak
b)
luster
c)
hardness
d)
heft
20.
What is #1 pointing to?
a)
ovary
b)
petal
c)
stigma
d)
stamen
21.
What is #8 pointing to?
a)
petal
b)
stamen
c)
pistil
d)
ovary
22.
The male part of the flower is known as the _____.
a)
stamen
b)
pistil
c)
ovary
d)
petal
23.
The female part of the flower is known as the ____.
a)
stamen
b)
anther
c)
filament
d)
pistil
24.
What is #2 pointing to?
a)
anther
b)
filament
c)
ovary
d)
style
25.
What is #3 pointing to?
a)
stigma
b)
filament
c)
ovary
d)
anther
26.
What is #4 pointing to?
a)
anther
b)
style
c)
stigma
d)
ovary
27.
What is #7 pointing to?
a)
anther
b)
ovary
c)
ovule
d)
petal
28.

What property of this wave is represented by the letter "A"

a)

amplitude

b)

crest

c)

trough

d)

wavelength

29.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
30.
The lowest point on a wave is the:
a)
Amplitude
b)
Crest
c)
Trough
d)
Wavelength
31.
Electromagnetic waves include the following except
a)
radio waves
b)
X-rays
c)
doing the wave at a football game
d)
microwaves
32.
regular disturbances that carry energy through matter or space
a)
crest
b)
energy
c)
wave
d)
trough
33.
When a wave bends as it passes through at an angle from one medium to another.(example: pencil in a glass of water-)
a)
medium
b)
refraction
c)
reflection
d)
interference
34.
When a wave strikes and object and bounces off. (example echo)
a)
medium
b)
refraction
c)
reflection
d)
interference
35.
What kind of wave is pictured below?
a)
compressional wave
b)
transverse wave
c)
sound wave
d)
mechanical wave
36.
Waves that require a medium are called 
a)
mechanical waves
b)
transverse waves
c)
light waves
d)
gamma rays
37.

What do mechanical waves travel through?

a)

Medium

b)

empty space

c)

vacuum

d)

the boo

38.
Which of the following is transmitted by waves?
a)
atoms
b)
matter
c)
energy
d)
resonance
39.
What is the formula for force?
a)
F=M/A
b)
F=A/M
c)
F=M*A
d)
F=M*F
40.
_______________ is how fast an object changes over time. 
a)
speed
b)
velocity
c)
momentum
d)
acceleration
41.
What happens when two forces act in the same direction?
a)
They cancel each other out.
b)
The stronger one prevails.
c)
Their strengths are added.
d)
Their sum divided by the two is the total force.
42.
Any time the forces are unbalanced, an object will remain at rest. True or false?
a)
true
b)
false
43.
When you tell the direction and speed of an object, you give its
a)
motion
b)
velocity
c)
acceleration
d)
mass
44.
What is the net force on the block? (click on the words to view the picture)
a)
5 Newtons up
b)
5 Newtons down
c)
15 Newtons up
d)
15 Newtons down
45.
If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
46.
A baseball is thrown a distance of 50 meters. What is the speed if it takes 2 seconds to cover that distance?
a)
100 m/s2
b)
25 m/s2
c)
52 m/s2
d)
100 seconds
47.
Speed is equal to 
a)
Distance/Time
b)
Time/Distance
c)
Time x Distance
d)
Acceleration
48.
During which interval is the object speeding up?
a)
A to B
b)
B to C
c)
D to E
d)
E to F
49.
What are two examples of forces?
a)
Art and Music
b)
A push or pull
c)
A stand or ground
d)
The dark side and the light side
50.
The tendency of an object at rest to stay at rest unless it is acted upon by a force is ___________________
a)
inertia
b)
motion
c)
gravity
d)
lubricant
51.
A train that travels 100 kilometers in 4 hours is traveling at what average speed? Remember: Speed= distance/time
a)
50 km/h
b)
100 km/h
c)
400 km/h
d)
25 km/h
52.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
53.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
54.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
55.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
56.
A cannonball with a mass of 10 kg is flying at an acceleration of 5 m/sec/sec. What is it's force?
a)
50 Newtons
b)
5 Newtons
c)
20 Newtons
d)
9.5 Newtons
57.
In the picture, the blocks are flying out of the truck based on which of Newton's laws?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 6th Law
58.
Which of the following is the units for momentum?
a)
kg*m/sec/sec
b)
kg*m/sec
c)
m/sec/sec
d)
m/sec
59.
A student conducted an experiment about the movement of a marble through four different liquid substances. Looking at the figure designed by the student, what is an error in his experiment?
a)
The amount of liquid substances used is not consistent.
b)
The type of liquid substances are not labeled correctly.
c)
The type of marble used is not consistent.
d)
The marbles are not dropped from the same distance.
60.
What is the best title of this figure?
a)
The Scientific Method
b)
The Technology Process
c)
The Scientific Arrangement
d)
The Technology Method
61.
For scientific data to be considered accurate and reliable, most science experiments should be
a)
Conducted as many times as possible
b)
Conducted 3 times
c)
Conducted only 1 time
d)
Repeated no more than 2 times
62.
The steps of the scientific method - 
a)
are not always in the same order.
b)
includes developing a scientific law.
c)
have to be used in the same order in every investigation.
d)
always prove the hypothesis correct.
63.
Elin is conducting a scientific investigation in which she measures a certain type of plant's growth in response to different amounts of fertilizer.  What is the independent variable?
a)
Amount of fertilizer
b)
Plant growth
c)
Type of plant
d)
Temperature of fertilizer
64.
Adam is conducting a science experiment on the effect of different environments on plant growth.  He put one plant in a closet and the other plant in a window at his house.  He measured the growth of each plant weekly for six weeks.  He then created a graph after he reviewed his data.  What is the dependent variable in Adam's experiment?
a)
Total Growth of Plant.
b)
Plant Environment
c)
The Effect of Different Environments
d)
Measurement Over Six Weeks
65.
In an experiment the factor being tested or changed on purpose is called the -
a)
independent variable
b)
dependent variable
c)
constant
d)
experimental error
66.
Elin is conducting a scientific investigation in which she measures a certain type of plant's growth in response to different amounts of fertilizer.  What is the dependent variable?
a)
Plant growth
b)
Amount of fertilizer
c)
Type of plant
d)
Temperature of fertilizer
67.
The dependent variable in this experiment is - 
a)
Number of Bacteria
b)
Time of Incubation
c)
Culture Number
d)
Type of Bacteria
68.
What equipment would a scientist most likely use to measure the volume of a liquid?
a)
Graduated cylinder
b)
Triple beam balance
c)
  Ruler
d)
Electron microscope
69.

A machine with a bar that pivots on a fixed point is called a ___________.

a)

lever

b)

wedge

c)

screw

d)

inclined plane

70.

What unit is used to express power?

a)

Watt

b)

Joule

c)

Work

d)

Newton

71.

A device that makes work easier by changing the size or direction of a force.

a)

Machine

b)

Joule

c)

Watt

d)

Work

72.

What unit is used to express energy?

a)

Joule

b)

Watt

c)

Power

d)

Work

73.

What is a machine with 2 circular devices of different sizes called?

a)

Lever

b)

Screw

c)

Wheel and Axel

d)

Inclined Plane

74.

What is a machine made of 2 or more simple machines called?

a)

Bi- machine

b)

Dual Machine

c)

Compound Machine

d)

Mechanical Machine

75.

What is the rate at which work is done called?

a)

Power

b)

Work

c)

Mechanical Advantage

d)

Mechanical Efficiency

76.

What is a machine with a grooved wheel that holds a cable called?

a)

Pulley

b)

Lever

c)

Wheel and Axel

d)

Screw

77.

In which situation is an organisim doing work on an object?

a)

A weight lifter holds a 1,000 N bar bell above his head.

b)

Frank holds a plank for 90 seconds

c)

A dog carries her puppies into the dog house

d)

A horse pulls a cart along a dusty road

78.

How do you calculate the work done on an object?

a)

P = W / t

b)

W = f (d)

c)

F = m (a)

d)

p = m (v)

79.

Mr. Hayes applies a force of 200 N to move a box 5 meters. How much work did he do?

a)

40 J

b)

40 W

c)

1,000 J

d)

1,000 W

80.

Harry is lifting a load of bricks onto a truck, and he does 200 J of work in 40 s. What is his power output?

a)

5 W

b)

5 J

c)

8,000 W

d)

8,000 J

81.
Which of the following is NOT a tectonic boundary?
a)
Convergent
b)
Divergent
c)
Sedergent
d)
Transform
82.
Most volcanoes and earthquakes occur...
a)
along the coast
b)
along tectonic plate boundaries
c)
in the Arctic
d)
in the ocean
83.
The process that takes place at mid-ocean ridges is called
a)
sea-floor spreading.
b)
uplift. 
c)
continental drift.
d)
subduction.
84.
According to the continental drift theory, a single, huge continent once existed called
a)
Pangaea.
b)
Wegener.
c)
Panthalassa.
d)
Euraisa.
85.
Non-Renewable resources are also known as what?
a)
Fossil Fuels
b)
Renewable
c)
Solar Energy
d)
Hydroelectric Energy
86.
what is a non renewable resource?
a)
water
b)
wind
c)
coal
d)
biomass
87.
Which renewable resource gets its direct energy from the sun? 
a)
Geothermal
b)
Solar
c)
Wind
d)
Hydrogen
88.
Energy we get from burning living things
a)
Hydroelectricity 
b)
Wind Energy
c)
Biomass Fuel
d)
Hydrogen Power
89.
Energy we get from earth's interior heat
a)
Geothermal
b)
Solar Energy 
c)
Wind Energy 
d)
Hydroelectricity 
90.
A technology company has identified the need for a smaller laptop computer that weighs less, but they do not have enough knowledge about how to build it. 
What would be the next logical step engineers would take to design and produce this laptop computer?
a)
Build a new type of laptop battery
b)
Research current laptop technology
c)
Build a prototype computer
91.
The engineering process begins
a)
when you brainstorm new ideas 
b)
creating an advertisment
c)
identifying the need or solution to a problem
92.
What is the purpose of building a prototype?
a)
to test the product and make sure that it is the best solution to the problem
b)
to make sure that the product is in compliance with government regulations
c)
to determine the design constraints for the product
93.
What is the third step of the Engineering Design Process?
a)
Conduct research
b)
Identify a need
c)
Create a hypothesis
d)
Brainstorm solutions
94.

What is the fifth step of the Engineering Design Process?

a)

Test Solution

b)

Select a solution

c)

Create a hypothesis

d)

Build a Prototype

95.

What is the sixth step of the Engineering Design Process?

a)

Test & Evaluate

b)

Select a solution

c)

Improve & Redesign

d)

Build a Prototype

96.
The application of science and math to solve real-life problems is
a)
science
b)
math
c)
engineering
d)
technology
97.
Which step do you experiment with the prototype under controlled conditions and record data?
a)
Test and evaluate
b)
Redesign to Improve
c)
Share Results
d)
Ask
98.

Genetically altering a dog breed to reduce shedding is an example of what type of engineering?

a)

Controlled

b)

Assistive

c)

Qualitative

d)

Adaptive

99.
Adaptive engineering is which of the following
a)
The temporary assistance of technology to assist people with disabillities
b)
The process of animals and other living organisms to adapt to a new enviorment
c)
The permanent assistance by technology to a person with a disabillity
d)
Tinkerbells fairy dust
100.

Which of the following are examples of adaptive engineering

a)

The process of animals and other living organisms to adapt to a new enviorment

b)

prosthetic leg, heart valve transplant, contacts, pace maker

c)

bionic legs/arms, heart valve transplant, Lasik eye surgery,

d)

basilisk venom, eye of newt, salamander juice

101.

In order to prolong the shelf life of fruits and vegetables, companies expose some types of fruits and vegetables to X-rays in order to kill bacteria. Is this assistive or adaptive bioengineering technology?

a)

Assistive because no living organism was changed.

b)

Adaptive because the fruits and vegetables would grow differently without the bacteria.

c)

Adaptive because the bacteria was killed

d)

Assistive because I only eat meat.

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