WorksheetsCumlative Science Review
Total questions: 77
Worksheet time: 4hrs 9mins
Name
Class
Date
1.
What would happen if the Earth had no atmosphere, as in no air?
a)
No life or weather
b)
It would be the same as now just a little harder to breathe
2.
The atmosphere keeps the Earth...
a)
Warm enough for life
b)
Too Cold for Life
c)
Spinning
d)
Orbiting the sun
3.
The atmosphere protects the Earth from...
a)
Earthquakes
b)
Comets and Meteors
c)
Tsunamis
d)
Faults
4.
We live in the __________________layer, a level of the atmosphere.
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Exosphere
5.
The _______________________________ is responsible for the weather, rain, or snow
a)
Exosphere
b)
Thermosphere
c)
Magnetosphere
d)
Troposphere
6.
The higher you go, the air becomes.......
a)
More dense
b)
Less dense
7.
Which layer is the outermost layer?
a)
troposphere
b)
thermosphere
c)
exosphere
d)
mesosphere
8.
Where you will find the ozone layer.
a)
stratosphere
b)
thermosphere
c)
exosphere
d)
mesosphere
9.
The coldest layer.
a)
troposphere
b)
thermosphere
c)
exosphere
d)
mesosphere
10.
The hottest layer.
a)
troposphere
b)
thermosphere
c)
exosphere
d)
mesosphere
11.
The most common gas in the atmosphere.
a)
Nitrogen
b)
Oxygen
c)
Carbon Dioxide
d)
Trace gases
12.
As you go higher in the troposphere, the temperature _______________.
a)
decreases
b)
increases
c)
stays the same
d)
gets very hot
13.
What is the function of the ozone layer?
a)
to allow UV rays to get to Earth
b)
to block UV rays from getting to Earth
c)
To keep oxygen in
d)
to allow meteors to get to Earth
14.
This is the layer where most commercial jet airliners fly.
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Thermosphere
15.
What is an air mass?
a)
A place where weather always changes in an extreme way.
b)
Air that is wet and freezing
c)
A cloud that produces rain, snow, sleep, or hail.
d)
A large body of air with the same moisture and temperature throughout.
16.
What forms when two air masses meet and creates weather?
a)
a hurricane
b)
hail
c)
a front
d)
a tornado
17.
What kind of front is it when a cold air mass and a warm air mass try to overtake one another, but neither one are strong enough to do so?
a)
cold front
b)
warm front
c)
occluded front
d)
stationary front
18.
Which type of front can be seen here?
a)
cold front
b)
occluded front
c)
stationary front
d)
warm front
19.
Which type of front can be seen here?
a)
cold front
b)
occluded front
c)
stationary front
d)
warm front
20.
Which type of front can be seen here?
a)
cold front
b)
occluded front
c)
stationary front
d)
warm front
21.
When a warm air mass overtakes a cold air mass, what kind of front is formed?
a)
cold front
b)
occluded front
c)
stationary front
d)
warm front
22.
of the following statements is correct regarding pressure systems?
a)
High pressure air contains warm air that rises.
b)
High pressure air contains cold air that rises.
c)
Low pressure air contains warm air that rises.
d)
Low pressure air contains cold air that rises.
23.
What type of cloud is in this picture?
a)
cumulonimbus
b)
stratus
c)
cumulus
d)
cirrus
24.
What follows evaporation during the water cycle? How does this occur?
a)
Water evaporates into water vapor
b)
Water vapor condenses and forms a cloud
c)
Water precipitates to the ground
d)
Water runs down into the hydrosphere
25.
All organisms are made of:
a)
organelles
b)
cytoplasm
c)
DNA
d)
cells
26.
This organelle moves materials throughout the cell.
a)
ER
b)
Ribosomes
c)
FedEx
d)
Golgi Complex
27.
What is a phenotype?
a)
The expression of a trait; physical appearance.
b)
refers to the genetic makeup of an individual
c)
An organism that has the same genes for a trait (ex. TT or tt)
d)
the passing of traits from parent to offspring
28.
What does heterozygous mean?
a)
An organism that has the same genes for a trait (TT or tt)
b)
An organism that has different genes for a trait (Tt)
c)
When neither gene is fully dominant; offspring is a mixture of both
d)
the different forms of a trait (hair color--> brown, blonde, red
29.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
30.
Two heterozygous (Tt)tall pea plants are crossed. Which describes their offspring?
a)
50% tall and 50% short
b)
75%tall and 25% short
c)
100%short
31.
R=round seed
r=wrinkled seed.
Cross a homozygous round with a wrinkled. Which statement predicts the results?
r=wrinkled seed.
Cross a homozygous round with a wrinkled. Which statement predicts the results?
a)
offspring will be Rr
b)
offspring will be RR
c)
round seeds will be recessive to wrinkled
d)
Wrinkled will be observed in half of offspring
32.
A human usually has _____ total chromosomes.
a)
6
b)
22
c)
4
d)
46
33.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
34.
What is the passing of traits from parents to offspring known as?
a)
Heredity
b)
Genetics
c)
Punnett Square
35.
What system controls voluntary and involuntary life functions?
a)
Nervous System
b)
Skeletal System
c)
Digestive System
d)
Respiratory System
36.
Why is the blood that flows from the lungs to the heart bright red?
a)
It has oxygen in it
b)
It has carbon dioxide in it
c)
It has food coloring in it
d)
It has waste in it
37.
What system allows motion in the body?
a)
Digestive System
b)
Stomach
c)
Musuclar System
d)
Veins
38.
The blood vessels that carry blood away from the heart are called what?
a)
Veins
b)
Stomach
c)
Arteries
d)
Lungs
39.
Which body system transports oxygen and nutrients through out the body?
a)
Muscular System
b)
Nervous System
c)
Digestive System
d)
Circulatory System
40.
What system receives oxygen and gets rid of carbon dioxide?
a)
Heart
b)
Muscular System
c)
Veins
d)
Respiratory System
41.
What system breaks food down into energy for the body?
a)
Stomach
b)
Digestive System
c)
Respiratory system
d)
Lungs
42.
Which of the following is in the correct order from smallest to largest?
a)
tissue-organ-system-cell
b)
cell-organ-tissue-system
c)
System-tissue-cell-organ
d)
cell-tissue-organ-system
43.
How does the circulatory system and the skeletal system work together?
a)
the circulatory system makes cells while the skeletal system transports the cells where the need to go
b)
the skeletal system makes cells while the circulatory system transports them where the need to go
c)
The circulatory system produces energy for the body and the skeletal system makes cells for the body
d)
The skeletal system digests food and the circulatory system brings air into the body
44.
How does the muscular system and the skeletal system work together?
a)
The muscular system allows the body to stand up while the skeletal system allows the body to move
b)
The muscular system allows the body to move and the skeletal system gives the body a structure
c)
The muscular system gives the body nutrients while the skeletal system gives the body blood
d)
The skeletal system makes cells whilte the muscular system eats them.
45.
How does the cardiovascular system and the respiratory system work together?
a)
The cardiovascular system transports oxygen around the body while the repiratory system gives the body oxygen
b)
The cardiovascular system makes cells while the respiratory system moves them where they are suppose to go.
c)
The cardiovascular system allows the body to have energy while the repiratory system makes cells
d)
The cardiovascular system transports nutrients around the body while the respiratory system brings oxygen into the body
46.
Which type of severe event is most likely to occur when a cold front moves in behind warm, moist air?
a)
Blizzard
b)
Hurricane
c)
Tornado
d)
Drought
47.
Hurricanes form near areas close to the equator. Why?
a)
Solar heating is greatest near the equator.
b)
The Moon's plane of orbit is close to the equator.
c)
Earth's volcanic activity is clustered around the equator.
d)
the rate of rotation of Earth's surface is less at the equator.
48.
How do the conditions for a tornado differ from the conditions for a hurricane?
a)
Tornadoes never form when there is rain, while hurricanes always form with rain.
b)
Tornadoes form under low pressure, while hurricanes form under high pressure
c)
Tornadoes form in a stable atmosphere, while hurricanes form in an unstable atmosphere
d)
Tornadoes form over land, while hurricanes form over bodies of water
49.
What information best helps a meteorologist predict the possibility of tornadoes developing in a certain area?
a)
current wind conditions
b)
types of clouds in the sky
c)
percent humidity in the air
d)
amount of rainfall
50.
Clouds are made up of tiny drops of ______ or ice. The moisture in the cloud affects the weather.
a)
dust
b)
water
c)
cloud particles
d)
precipitation
51.
what type of cloud is shown?
a)
cumulus
b)
cirrus
c)
stratus
52.
what type of cloud is shown?
a)
cumulus
b)
cirrus
c)
stratus
53.
What type of winds blow constantly, predictably, and over long distances?
a)
land breezes
b)
mountain breezes
c)
global winds
d)
land breezes
54.
Which statement correctly defines wind?
a)
Wind is the movement of air from areas of low pressure to areas of high pressure
b)
Wind is the movement of air to a colder area in the atmosphere.
c)
Wind is the movement of air from areas of high pressure to areas of low pressure.
d)
Wind is the movement of air pushed around and bouncing off Earth's surface.
55.
What causes global winds and convection in the atmosphere?
a)
continental deflection
b)
the rotation of the Earth
c)
Moon's gravity
d)
unequal heating of the Earth by the sun
56.
An object is _____ if its position changes relative to another object.
a)
in motion
b)
at reset
c)
a frame of refence
d)
magical
57.
A truck driving at 60 miles per hour travels 150 miles. How long is it driving for?
a)
9000 hours
b)
0.4 hours
c)
210 hours
d)
2.5 hours
58.
A place or object used for comparison to determine if another object is in motion is called a
a)
comparison point
b)
reference point
c)
point of view
d)
motion detector
59.
Speed =
a)
distance / time
b)
time / distance
c)
distance * time
60.
Velocity is
a)
speed and acceleration
b)
constant speed
c)
a frame of reference
d)
speed in a given direction
61.
On a distance-versus-time graph, a straight line ALWAYS indicates that an object’s speed is _____.
a)
constant
b)
zero
c)
increasing
d)
decreasing
62.
A horizontal line on a distance vs. time graph means the object's speed is
a)
increasing
b)
decreasing
c)
zero
63.
Acceleration is
a)
increasing speed
b)
decreasing speed
c)
changing direction
d)
all of the above
64.
A student jogging at 2 m/s picks up the pace until she is jogging at 4 m/s. This is an example of acceleration. True or False?
a)
True
b)
False
65.
What is HOMEOSTASIS?
a)
Body's ability to maintain a STABLE internal environment
b)
Body's ability to maintain an internal environment that is constantly CHANGING
66.
If Alan is on the right and George is on the left of a box, what needs to happen to make the box move to the right?
a)
Alan needs to push the box with more force than George.
b)
George needs to push the box with more force than Alan.
c)
Alan and George need to push the box with equal amounts of force.
d)
Alan and George need to pull on the box with equal amounts of force.
67.
Two students played on the slide. Student A wore shorts and student B wore long pants. Which of these best explains why Student B moved down the slide more smoothly than Student A?
a)
more acceleration
b)
less gravity
c)
more weight
d)
less friction
68.
How does a driver use a steering wheel as a simply machine?
a)
The driver is using a wheel and axle to reduce the amount of force.
b)
The driver is using a lever to steer the vehicle
c)
The driver is using a pulley and lever to steer the vehicle
d)
The driver is using a wheel and axle to reduce the amount of work needed to steer the vehicle
69.
How does a movable pulley make lifting objects easier?
a)
The amount of force needed is doubled
b)
the amount of force needed is increased
c)
the amount of force needed is reduced
d)
the amount of force needed stays the same
70.
Which type of flooring would have less friction and why?
a)
gravel because it is rough
b)
wooden floor because it has less friction
c)
carpet because it has more friction
d)
grass because it's soft
71.
Which example shows an unbalanced force?
a)
A pencil sitting on a desk
b)
a car parked in a parking lot
c)
a coat laying on the floor
d)
a child sliding down a slide
72.
Which of these is an example of a balanced force?
a)
A book sitting on a chair
b)
a ball rolling down the road
c)
a fish swimming in its bowl
d)
a plate sitting in the sink
73.
Where should the fulcrum be placed in order for the student to use the least amount of effort possible?
a)
point A
b)
point B
c)
point C
d)
point D
74.
If you use a crowbar to get the lid off of a bucket, what simple machine are you using?
a)
Inclined Plane
b)
Pulley
c)
Wheel and Axle
d)
Lever
75.
In which of these cases is work being done?
a)
A student sleeps
b)
A student pushes a locked door that does not move
c)
a student carries his chair into another room
d)
A student sits on the carpet
76.
A fishing pole is an example of a compound machine. What simple machines are used to make up this compound machine?
a)
lever, wheel and axle, pulley
b)
wheel and axle, inclined plane, pulley
c)
wheel and axle, pulley, inclined plane
77.
Which of these is an example of a wedge?
a)
skateboard
b)
broom
c)
stairs
d)
butter knife
100 %
