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review challange

Total questions: 178

Worksheet time: 2hrs 1mins

Name
Class
Date
1.
Which of the following is the smallest unit of life that can carry out all life functions?
a)
the mitochondria
b)
the vacuoles
c)
the nucleus
d)
the cell
2.
Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?
a)
cell membrane
b)
cytoplasm
c)
nucleus
d)
vacuole
3.
What is the function of the cell nucleus found in both plant and animal cells?
a)
to produce energy
b)
to control cell activity
c)
to remove waste products
d)
to allow molecules to enter the cell
4.
Cell organelles that are responsible for digesting food, worn out organelles and other cellular wastes are called ___________________.
a)
Mitochondria
b)
Vacuoles
c)
Lysosomes
d)
Chlororplasts
5.
Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do.  What is the main function of the chloroplasts found in plant cells?
a)
to absorb light energy and manufacture food
b)
to remove waste materials by active transport
c)
to manufacture chemical energy from food
d)
to control the shape of the cell
6.
All cells need energy to function.  Which cell organelle is responsible for producing energy in the cell?
a)
chloroplasts
b)
mitochondria
c)
nucleus
d)
vacuoles
7.
What is the function of a cell wall?
a)
to protect and support the cell
b)
to perform different functions in each cell
c)
to prevent water from passing through it
d)
to prevent oxygen from entering the cell
8.
 Starch and water molecules in potato cells are stored in what organelle?
a)
mitochondria
b)
nucleus
c)
cell wall
d)
vacuole
9.
Cells with a nucleus and membrane-bound organelles are called ____________________.
a)
prokaryotes
b)
eukaryotes
c)
bacteria
d)
protists
10.
Which of the following is not part of the cell theory?
a)
cells must contain DNA 
b)
all living things are made from cells
c)
cells can only come from other cells
d)
cells are the basic unit of life
11.
The basic unit of structure and function in a living things.
a)
chloroplast
b)
nucleus
c)
cell
d)
cell membrane
12.
Which of the following is directly involved in the transportation of materials inside/within the cell?
a)
Endoplasmic Reticulum
b)
Vacuole
c)
Lysosome
d)
Mitochondria
13.
I am a protein packaging and shipping machine! Who am I?
a)
vacuole
b)
ribosome
c)
mitochondrion
d)
golgi apparatus
14.
What is found in both plant and animal cells but is much larger in plant cells?
a)
Nucleus
b)
Mitochondria
c)
Chloroplast
d)
Vacuole
15.
Where are proteins made?
a)
Golgi body
b)
Mitoichondria
c)
Chromosomes
d)
Ribosomes
16.
This organelle takes food and turns it into ENERGY for plant and animal cells.
a)
Chloroplast
b)
Mitochondria
c)
Lysosome
d)
Ribosome
17.
I am the outer most layer of an animal cell. What am I?
a)
cell wall
b)
nucleus
c)
cell membrane 
d)
cell skin
18.
What are tiny organelles that convert glucose into ATP?
a)
Ribosomes
b)
Vesicles
c)
Cytoskeleton
d)
Mitochondria
19.
What is the gel-like substance inside of cells called?

a)
photoplasm
b)
photosynthesis
c)
cytoskeleton
d)
cytoplasm
20.
Main producer of ATP in all eukaryotes
a)
chloroplast
b)
mitochondria
c)
lysosome
d)
smooth er
21.
A group of tissues that work together to perform a similar function is called_____. (Examples include the heart, lungs or stomach)
a)
cells
b)
tissues
c)
organs
d)
organ system
22.
 A group of cells that have similar functions? Examples are nervous, epithelial, muscle and connective
a)
cells
b)
tissues
c)
organs
d)
atoms
23.
When many organ systems work together it can form...
a)
organ
b)
cells
c)
organ system
d)
organism 
24.
This is a example of........ 
a)
organ system
b)
cells
c)
organ
d)
tissue
25.
This is a example of ........
a)
cell
b)
organ system
c)
organ
d)
tissue
26.
Prokaryotic
a)
are single celled organisms that do not have a nucleus or membrane bound organelles
b)
a protective layer that covers the the cells surface and acts as a barrier
c)
is the smallest unit that can preform all he processes necessary for life
27.
Which organism listed below is a prokaryote?
a)
dog
b)
human
c)
sunflower
d)
bacterial cell
28.
Animal and plant cells are both this type of cell.
a)
Eukaryote
b)
Prokaryote
29.
This scientist discovered and named the cell.
a)
Robert Hooke
b)
Anton Van Leeuwenhoek
c)
John Dalton
d)
Mathias Schleiden
30.
A typical animal cell is spherical in shape. 
a)
True
b)
False
31.
A typical plant cell is rectangular in shape.
a)
True
b)
False
32.
An Amoeba is a unicellular, animal-like protist that lives in ponds and streams. According to cell theory, where did this cell come from?
a)
another pre-existing amoeba cell.
b)
energy from sun that allowed the protist to reproduce.
c)
a multicellular organism.
d)
the nonliving environment.
33.
Which of the following is NOT a cell theory.
a)
All non-living things are made of cells
b)
All cells come from pre-existing cells
c)
Cells are the basic unit of structure and function of all living things
34.
All cells come from___________ cells.
a)
pregnant
b)
pre-existing
c)
paternal
d)
pin size
35.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
36.
What is one way in which all living things on Earth are alike?
a)
All living things have hair.
b)
All living things are made of cells and come from other cells.
c)
The cells of all living things have chloroplast.
d)
All living things can move. 
37.
what is a cell classified as?
a)
a basic unit of structure and function of all living organisms
b)
a unit based on only plants and animals that are living
38.
In order to sustain life, all cells must...
a)
digest nutrients and water
b)
excrete waste and fluids
c)
must be able to maintain a homeostasis environment (aka cellular respiration and regulation)
d)
All of the above
39.
How are unicellular organisms different from multicellular organisms? 
a)
There are no differences.
b)
They are made of many cells. 
c)
They are only classified as prokaryotes.
d)
They are made of only one cell. 
40.
Which structures are found in every living cell?
a)
cell membrane and cytoplasm
b)
chloroplasts and mitochondria
c)
a cell wall and nucleus
d)
chloroplasts and cell wall
41.
In what part of the plant cell does the process of photosynthesis take place?
a)
nucleus
b)
mitochondria
c)
chloroplasts
d)
vacuoles
42.
These organelles capture energy from sunlight and use it to produce food for the cell.
a)
cell membrane
b)
chloroplasts
c)
cell wall
d)
ribosomes
43.
A tiny cell structure that carries out a specific function within a cell.
a)
organelle
b)
cell
c)
nucleus
d)
ribosomes
44.

Prokaryotic cells

a)

are single celled organisms that do not have a nucleus or membrane bound organelles

b)

have a protective layer that covers the the cells surface and acts as a barrier

c)

are the smallest unit that can preform all he processes necessary for life

45.

The oldest type of cells are

a)

Prokaryotes

b)

Eukaryotes

c)

both

46.

Multicellular organisims are called

a)

Prokaryotes

b)

Eukaryotes

c)

both

47.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
48.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
49.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
50.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
51.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
52.
What is produced as a result of photosynthesis?
a)
Glucose and Chlorophyll
b)
Glucose and Oxygen
c)
Water and Light energy
d)
Carbon dioxide and Water
53.
This is referred to as the energy currency of the cell
a)
ADP
b)
ATP
c)
Mitochondria
d)
Nucleus
54.
This process releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
a)
photosynthesis
b)
light-independent reaction
c)
cellular respiration
d)
light-dependent reaction
55.
Cellular respiration takes place in the
a)
nucleus
b)
cytoplasm
c)
ribosomes
d)
mitochondria
56.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
57.

What is the correct equation for cellular respiration?

a)

6O2 + C6H12O6 -> 6CO2 + 6H2O + ATP

b)

6O2 + C6H12O6 + ATP-> 6CO2 + 6H2O

c)

6CO2 + 6H2O -> 6O2 + C6H12O6 + ATP

d)

6CO2 + 6H2O + ATP-> 6O2 + C6H12O6

58.

This consists of the hair, nails, sweat & oil glands and it covers and protects the body.

a)

lymphatic system

b)

urinary system

c)

integumentary system

d)

digestive system

59.

This is the body’s largest sensory organ;

a)

pancreas

b)

skin

c)

liver

d)

colon

60.

This is the outermost layer of the skin and consists of several sub-layers;

a)

dermis

b)

subcuticular

c)

subcutaneous

d)

epidermis

61.

These are areas of tissue that are altered because of disease or disorder.

a)

lesions

b)

tinea capitis

c)

tinea pedis

d)

impetigo

62.

This grows out of the epidermis in tiny tubes and covers various parts of the body.

a)

nails

b)

sweat glands

c)

hair

d)

oil glands

63.

The first layer of the epidermis; it consists of a flat layer of dead cells.

a)

stratum basale

b)

stratum corneum

c)

stratum germinativum

d)

stratum granulosum

64.

This layer of the epidermis is where new cells are produced.

a)

stratum corneum

b)

stratum basale

c)

stratum lucidum

d)

stratum granulosum

65.

These are specialized cells in the skin that determine your skin and hair color.

a)

mylanta

b)

membranous

c)

melanin

d)

melatonin

66.

This is the whitish half-moon shape at the base of most nails.

a)

lunula

b)

follicle

c)

cuticle

d)

keratin

67.

The innermost layer of skin; this is where blood vessels, nerves, & hair roots lie.

a)

dermis layer

b)

epidermis layer

c)

subcutaneous layer

d)

stratum layer

68.

This is a narrow band of epidermis that surrounds the nail on three sides.

a)

hard keratin

b)

lunula

c)

follicle

d)

cuticle

69.

The hair grows out of this tiny tube in the epidermis

a)

hard keratin

b)

lunula

c)

cuticle

d)

follicle

70.

This is what the nails are made from;

a)

hard keratin

b)

cuticle

c)

lunula

d)

stratum

71.

The hair has 2 parts; this is the part that protrudes from the skin.

a)

follicle

b)

hair shaft

c)

root

d)

lunula

72.

The hair is made up of 2 parts; this is the part that is beneath the surface of the skin.

a)

hair shaft

b)

root

c)

follicle

d)

cuticle

73.

German measles.

a)

gangrene

b)

tinea capitis

c)

carbuncle

d)

rubella

74.

lesions that appear on normal skin.

a)

primary lesions

b)

chickenpox

c)

tinea pedis

d)

secondary lesions

75.

death of tissue due to loss of blood.

a)

impetigo

b)

furuncle

c)

gangrene

d)

carbuncle

76.

pus-producing infection that originates in the subcutaneous tissue.

a)

furuncle

b)

gangrene

c)

carbuncle

d)

tinea capitis

77.

scalp ringworm

a)

tinea pedis

b)

tinea impetigo

c)

tinea capitis

d)

tinea lucidum

78.

These lesions are caused by abnormalities that result from changes in primary lesions.

a)

primary lesions

b)

chickenpox

c)

tinea pedis

d)

secondary lesions

79.

This is caused by bacteria; streptococci and staphylococci; it forms a blistery rash.

a)

impetigo

b)

rubella

c)

gangrene

d)

chicken pox

80.

common childhood disease; caused by varicella-zoster virus

a)

rubella

b)

chicken pox

c)

impetigo

d)

psoriasis

81.

athlete’s feet

a)

tinea capitis

b)

tinea stratum

c)

tinea pedis

d)

tinea lucidum

82.

This is a boil; it is pus-producing

a)

carbuncle

b)

furuncle

c)

psoriasis

d)

scabies

83.

This is an oily substance secreted by the sebaceous glands.

a)

stratum

b)

cebam

c)

sebum

d)

sebim

84.

This is a skin condition that cause eruptions on the face and upper back.

a)

psoriasis

b)

acne

c)

carbuncle

d)

furuncle

85.

This is an infestation of lice.

a)

scabies

b)

gangrene

c)

impetigo

d)

pediculosis

86.

This Is A Recurrent Skin Condition That Causes Scaly Lesions On The Trunk, Arms, Hands, Legs, And Scalp.

a)

gangrene

b)

scabies

c)

psoriasis

d)

pediculosis

87.

This is a contagious skin eruption caused by mites.

a)

rubella

b)

scabies

c)

psoriasis

d)

pediculosis

88.

This organ removes water from undigested food.

a)

stomach

b)

small intestine

c)

liver

d)

large intestine

89.

A flap of tissue that covers the trachea when swallowing

a)

pharynx

b)

esophagus

c)

epiglottis

d)

peristalsis

90.

The organ that produces bile

a)

stomach

b)

pancreas

c)

gall bladder

d)

liver

91.

The wavelike contractions that push food through the digestive system

a)

peristalsis

b)

smooth muscle

c)

epiglottis

d)

pancreas

92.

The structure indicated by the arrow

a)

mouth

b)

stomach

c)

esophagus

d)

epiglottis

93.

The structure indicated by the arrow

a)

stomach

b)

small intestine

c)

large intestine

d)

anus

94.

The structure indicated by the arrow

a)

small intestine

b)

large intestine

c)

stomach

d)

pancreas

95.

The structure indicated by the arrow

a)

esophagus

b)

pancreas

c)

stomach

d)

small intestine

96.

The structure indicated by the arrow

a)

mouth

b)

pharynx

c)

epiglottis

d)

esohpagus

97.

The structure indicated by the arrow

a)

kidney

b)

ureter

c)

urinary bladder

d)

urethra

98.

The structure indicated by the arrow

a)

kidney

b)

ureter

c)

urinary bladder

d)

urethra

99.

The structure indicated by the arrow

a)

kidney

b)

ureter

c)

urinary bladder

d)

urethra

100.

The structure indicated by the arrow

a)

kidney

b)

ureter

c)

urinary bladder

d)

urethra

101.

These structures absorb nutrients in the small intestine.

a)

epiglottis

b)

villi

c)

arteries

d)

enyzmes

102.

The teeth grinding and mashing food is an example of

a)

mechanical digestion

b)

chemical digestion

c)

absorption

d)

diffusion

103.

Amylase is an example of what type of chemical?

a)

bile

b)

acid

c)

enzyme

d)

gastric juice

104.

Gum being broken down by saliva is an example of

a)

mechanical digestion

b)

chemical digestion

c)

enzymes

d)

diffusion

105.

The pancreas helps with digestion by producing

a)

bile

b)

amylase

c)

enzymes

d)

acid

106.

Bile is a chemical that helps break down

a)

fats

b)

proteins

c)

carbohydrates

d)

glucose

107.

Urine is produced in which of the following organs?

a)

gall bladder

b)

urinary bladder

c)

kidney

d)

ureter

108.

What role does mucus have in the stomach?

a)

protects it from acid

b)

digests proteins

c)

absorbs nutrients

d)

breaks down fats

109.

What waste product does the skin help remove?

a)

carbon dioxide

b)

feces

c)

heat

d)

urine

110.

The tube that carries urine from the kidney to the bladder

a)

urethra

b)

ureter

c)

aorta

d)

vena cava

111.

The type of muscle lining the digestive system

a)

skeletal

b)

smooth

c)

cardiac

d)

voluntary

112.

The kidneys are an example of what two systems working together?

a)

circulatory and respiratory

b)

circulatory and digestive

c)

circulatory and excretory

d)

digestive and excretory

113.
When studying continental polar and continental tropical air masses, how are they alike?
a)
They are both wet.
b)
They are both warm.
c)
They are both dry.
d)
They are both cold.
114.
What is the area called when two air masses meet and do not combine?
a)
Local wind
b)
Isotherm
c)
Global wind
d)
Front
115.
What is the weather like when a stationary front forms?
a)
Rainy for several days
b)
Misty for a short period
c)
Fair and warm
d)
Dry and cold 
116.
For a cloud to form, what takes place?
a)
water vapor freezes on an object
b)
water vapor condenses 
c)
water vapor precipitates
d)
water vapor evaporates
117.
What type of cloud is made up of ice crystals and is at high altitudes?
a)
Cumulus
b)
Stratus
c)
Cirrus
d)
Cumulonimbus
118.
What type of cloud is covers the sky like a blanket and is layered?
a)
Cumulus
b)
Stratus
c)
Cirrus
d)
Cumulonimbus
119.
What type of cloud looks like cotton balls and is fluffy?
a)
Cumulus
b)
Stratus
c)
Cirrus
d)
Cumulonimbus
120.
What type of cloud brings thunderstorms and severe weather?
a)
Cumulus
b)
Stratus
c)
Cirrus
d)
Cumulonimbus
121.
Where do hurricanes originate?
a)
Over dry warm land
b)
Over dry cold land
c)
Over  cold ocean water
d)
Over
 warm ocean water
122.
What type of precipitation forms in cumulonimbus clouds when water droplets rise and fall several times?
a)
Rain
b)
Sleet
c)
Snow
d)
Hail
123.
How is lightning formed?
a)
From an electrical discharge
b)
By the collision of two air masses
c)
By thunder
d)
by the formation of a tornado
124.
If you eneter the eye of a hurricane, what would the weather be like?
a)
Stormy weather
b)
Cold wet weather
c)
Calm weather
d)
Windy weather
125.
When a hurricane comes ashore, what happens to it?
a)
The hurricane gains strength
b)
The hurricane keeps the same strength
c)
The hurricane loses strength
d)
The hurricane returns to the ocean.
126.
The average weather for a location is called __________
a)
climate
b)
temperature
c)
rainfall
d)
humidity
127.
What two factors are part of climate?
a)
Humidity and temperature
b)
Precipitation and temperature
c)
Weather and humidity
d)
weather and location
128.
If the relative humidity is 100%, what do we say the air is?
a)
Saturated
b)
Dry
c)
Hot
d)
Cold
129.
What type of front is indicated by the symbol?
a)
Warm Front
b)
Cold Front
c)
Stationary Front
d)
Occluded Front
130.
What type of front is indicated by the symbol?
a)
Warm Front
b)
Cold Front
c)
Stationary Front
d)
Occluded Front
131.
What type of front is indicated by the symbol?
a)
Warm Front
b)
Cold Front
c)
Stationary Front
d)
Occluded Front
132.
What type of front is indicated by the symbol?
a)
Warm Front
b)
Cold Front
c)
Stationary Front
d)
Occluded Front
133.
What type of weather will follow this warm front?
a)
Warmer temperatures and storms
b)
Warmer temperatures and clear skies
c)
Cooler temperatures and clear skies
d)
No change in the weather
134.
What type of weather will follow this cold front?
a)
Cooler temperatures and storms
b)
Warmer temperatures and clear skies
c)
Cooler temperatures and clear skies
d)
No change in the weather
135.
What type of air mass is D?
a)
Maritime Polar
b)
Maritime Tropical
c)
Continental Polar
d)
Continental Tropical
136.
What type of air mass is B?
a)
Maritime Polar
b)
Maritime Tropical
c)
Continental Polar
d)
Continental Tropical
137.
What type of air mass is C?
a)
Maritime Polar
b)
Maritime Tropical
c)
Continental Polar
d)
Continental Tropical
138.
What type of air mass is E?
a)
Maritime Polar
b)
Maritime Tropical
c)
Continental Polar
d)
Continental Tropical
139.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
140.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
141.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
142.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
143.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
144.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
145.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
146.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
147.
Wind turbines and windmills convert what energy to another?
a)
Kinetic to electric
b)
Gravitational potential to electric
c)
Mechanical to potential
d)
Thermal to sound
148.
Work is:
a)
A transfer of energy by a force to move and object
b)
Something you get paid for
c)
Something you take home
d)
Makes you sweat
149.
What machine changes electrical energy into light and sound energy?
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
150.
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
151.
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
152.
The formula for work is:
a)
d = r x t
b)
p = m x v
c)
f = m x a
d)
w = d x f
153.
Energy that is stored in bonds between atoms is:
a)
Mechanical energy
b)
Chemical energy
c)
Kinetic energy
d)
Nuclear energy
154.
Energy caused by the movement in the particles of matter. It is a form of kinetic energy.
a)
Nuclear energy
b)
Sound energy
c)
Light energy
d)
Thermal energy
155.
Energy that comes from the nucleus of an atom. A form of potential energy.
a)
chemical energy
b)
Nuclear energy
c)
Sound energy
d)
Electrical energy
156.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
157.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
158.
What machine changes chemical energy into heat, light and sound energy
a)
blender
b)
firecracker
c)
lightbulb
d)
apple
159.
Geothermal energy is energy from 
a)
the sun
b)
heat from deep in the earth
c)
wind
d)
inexhaustable
160.
Wind energy is 
a)
generated from moving water
b)
starts with moving air and generates electricity
c)
starts with the sun
d)
comes from the earth
161.
Alternative energy is
a)
Generated by natural resources and is renewable
b)
man made
c)
nonrenewable
d)
not helpful to us in Texas
162.
Energy from the sun is called
a)
Biofuels
b)
Solar
c)
Geothermal
d)
Hydroelectric
163.
Nonrenewable resources are
a)
man-made resources
b)
cannot be replaced quickly
c)
can be replaced in a short amount of time
d)
never run out
164.
There are 5 forms of Alternative Energy
a)
True
b)
False
165.
Corn, wheat, and soybeans can be made into a substance called ethanol. In some places, ethanol is part of a mixture used to power cars and trucks. What type of alternative energy resource is ethanol?
a)
Hydroelectric
b)
Geothermal
c)
Biofuels
d)
Solar
166.
All of the following are considered alternative energy sources EXCEPT –
a)
Wind
b)
Coal
c)
Biofuel
d)
Solar
167.
The poster shown below advertises tours of a power plant.
This power plant produces electricity most likely by using-
a)
fossil fuels
b)
biofuels
c)
solar energy
d)
geothermal energy
168.
Which alternative energy source is generated beneath Earth’s crust and can be used to heat buildings?
a)
Hydroelectric energy
b)
Geothermal energy
c)
Wind energy
d)
Solar energy
169.
Wind Energy is...
a)
 Energy that comes from harnessing the movement of the air
b)
Energy that comes from the Sun
c)
A source of renewable energy, such as solar, wind, or geothermal energy
d)
Fuel from plant material
170.
Solar Energy is... 
a)
Energy that comes from harnessing the movement of the air
b)
Energy that comes from the Sun
c)
A source of renewable energy, such as solar, wind, or geothermal energy
d)
Fuel from plant material
171.
Biofuel is...
a)
 Energy that comes from harnessing the movement of the air
b)
Energy that comes from the Sun
c)
A source of renewable energy, such as solar, wind, or geothermal energy
d)
Fuel from plant material
172.
As water flows through a dam, a generator is turned and creates enough electricity for thousands of homes. This describes...
a)
biofuels
b)
hydroelectric energy
c)
geothermal energy
d)
solar power
173.
Which type of alternative energy source is shown in this picture?
a)
Wind
b)
Solar
c)
Hydroelectric
d)
Geothermal
174.
Which of the methods of generating electricity does NOT use alternative energy resources? 
a)
Burning coal in a power plant
b)
Turbines spinning in dam
c)
Solar panels taking in light energy 
d)
Drilling wells to reach hot rocks deep inside the earth 
175.
Renewable resources are
a)
man-made resources
b)
can be replaced in a short amount of time
c)
cannot be replaced 
d)
never run out
176.
Hydroelectric power produces electricity using.....
a)
Wind
b)
Sunlight
c)
Moving water
d)
Dung
177.
What fossil fuel is in the image?
a)
Coal
b)
Natural Gas
c)
Petroleum
178.
What fossil fuel is in the image?
a)
Natural Gas
b)
Steam
c)
Coal
d)
Petroleum

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