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MCA Science Review

Total questions: 50

Worksheet time: 41mins

Name
Class
Date
1.
How long does it take the Earth to rotate on its axis
a)
1 day
b)
1 week
c)
1 month
d)
1 year
2.
When is Earth closest to the Sun?
a)
June 21
b)
December 21
c)
March 20
d)
January 3
3.
When are the direct rays of the Sun furthest north of the equator?
a)
June 21
b)
December 21
c)
March 20
d)
January 3
4.
When are the direct rays of the Sun directly above the equator?
a)
The solstices
b)
The equinoxes
c)
The eclipses
d)
The summer
5.
What is the main reason it is warmer at the equator than the poles?
a)
the equator is closer to the sun
b)
the equator gets more days of sunshine
c)
the equator has longer days
d)
the equator gets more direct solar radiation
6.
What is season is it in the northern hemisphere
a)
summer
b)
fall
c)
winter
d)
spring
7.
What is season is it in the southern hemisphere
a)
summer
b)
fall
c)
winter
d)
spring
8.
When are the equinoxes?
a)
June & December
b)
July & January
c)
April & October
d)
March & September
9.
Which type of motion causes night / day? 
a)
Rotation
b)
Revolution
c)
Kepler's 1st Law
d)
Nutation
10.
Why is it generally warmer near the equator than it is near the poles?
a)
the equator receives more direct sunlight
b)
the poles receive more direct sunlight
c)
the equator is closer to the sun
d)
the poles are closer to the sun
11.
The main human activity that releases greenhouse gases is...
a)
using bottled water
b)
burning fossil fuels
c)
texting on cellphones
d)
eating meat
12.
What are the two most common greenhouse gases?
a)
Water Vapor (H2O) and Methane (CH4)
b)
Carbon Dioxide CO2 and Methane (CH4)
c)
Water Vapor (H2O) and Carbon Dioxide CO2
d)
Water Vapor (H2O) and Nitrous oxide (N2O)
13.
Over the past 200 years, the level of carbon dioxide in the atmosphere has
a)
decreased slightly.   
b)
increased until recently, and then decreased.
c)
increased steadily.   
d)
stayed about the same.
14.
Consequences of climate change include:
a)
Stronger hurricanes
b)
Increased flooding
c)
Frequent droughts
d)
All of the above
15.
A lunar eclipse can occur only during the _________________.
a)
Full moon
b)
New moon
c)
Waxing moon
16.
Which type of eclipse occurs when the Moon comes directly between Earth and the Sun?
a)
Lunar eclipse
b)
Solar eclipse
17.
Tides are caused mainly by what?
a)
Moon’s gravitational pull
b)
Sun’s gravitational pull
c)
Earth’s gravitational pull
18.
What type of tide occurs during a new and full moon?
a)
Neap tides
b)
Spring tides
c)
Normal tides
19.
Which body has the greater effect on Earth's tides?
a)
Sun
b)
Saturn
c)
Moon 
d)
Venus
20.
At which point will a person on Earth see a new moon?
a)
3
b)
4
c)
5
d)
6
21.

If an object has more _______, it will have more gravitational force.

a)

mass

b)

distance

22.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance 
b)
mass and matter
c)
distance and weight 
d)
weight and mass
23.
Is the force of gravity on the diver a push or a pull?
a)
push
b)
pull
24.
A force of attraction between 2 object that is directly related to mass and indirectly related to distance.
a)
mass
b)
weight
c)
gravity
d)
kilogram
25.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
26.
As the distance between 2 objects increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
27.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
28.
Which system has the greater gravitational attraction between the two objects (if any)?
a)
System A
b)
System B
c)
Same gravitational attraction fro System A and System B
29.
A low pressure system will bring what type of weather into an area?
a)
clear skies
b)
fair weather
c)
clouds / precipitation
d)
lots of sunshine
30.
Which of the following processes usually takes the longest amount of time?
a)
An ocean basin forms between two land masses.
b)
A storm system to move across the country
c)
Hot lava to form new rock
d)
Water vapor condenses on the outside of a can
31.
If we compare the temperature and pressure of Earth's mantle to the core, what differences can we expect as we move downward into Earth?
a)
Both temperature and pressure increase.
b)
Both temperature and pressure decrease.
c)
Temperature decreases and pressure increases.
d)
Temperature increases and pressure decreases.
32.
Why doesn't Massachusetts (MA) experience a lot of Earthquakes?
a)
MA is not near any plate boundaries
b)
MA is near a transform plate boundary
c)
MA is over a Hotspot
d)
MA is near a subduction zone
33.
What two processes would cause the height of a Mountain to DECREASE?
a)
volcanic eruptions and landslides
b)
tectonic collisions and earthquakes
c)
weathering and erosion
d)
sedimentation and flooding
34.
What process is occurring beneath the plates that helps the plates to move?
a)
condensation
b)
magnetism
c)
deposition
d)
convection
35.

Which of these factors does NOT influence climate?

a)

latitude

b)

longitude

c)

elevation

d)

distance from large body of water

36.
Wind is created by the movement of air from areas of...
a)
low pressure to high pressure
b)
high pressure to low pressure
37.

The climate of an area is effected by which of the following factors?

CHOOSE THREE.

a)

Large bodies of water

b)

Latitude

c)

Daily precipitation

d)

Altitude

e)

Daily temperature changes

38.

Cutting down large forests (deforestation) can result in:

a)

little to no changes

b)

more homes for animals

c)

less plants to absorb carbon dioxide, a greenhouse gas

39.
What do greenhouse gases do?
a)
absorb Earth's outgoing radiation
b)
reflect Earth's incoming infrared radiation
c)
magnify ultraviolet radiation in the atmosphere
d)
block the Sun's infrared radiation
40.
Which of the following is the best conclusion that can be made from this graph?
a)
atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
humans have been working hard to decrease carbon dioxide levels
d)
atmospheric carbon dioxide levels have increased steadily since 1960
41.

8.ESS.1.01 Which of the following best explains why seasonal variations in temperature are more extreme at location X than at location Y?

a)

The gravitational force is less at location X than at location Y.

b)

The rotation of Earth has less effect on location X than on location Y.

c)

The angle of incoming solar radiation varies more at location X than at location Y.

d)

The ocean moderates the average temperature more at location X than at location Y.

42.

8.ESS.1.02 An astronaut drops a hammer on the Moon, and a scientist drops an identical hammer on Earth. Both hammers are dropped from the same height. The hammer dropped on Earth falls to the ground faster than the hammer dropped on the Moon.

Why does the hammer on Earth fall faster than the hammer on the Moon?

a)

Earth has a stronger magnetic field than the Moon because Earth orbits the Sun.

b)

Earth has a stronger magnetic field than the Moon because Earth has an iron core.

c)

Gravitational attraction is stronger on Earth than on the Moon because Earth rotates on its axis.

d)

Gravitational attraction is stronger on Earth than on the Moon because Earth has a larger mass.

43.

8.ESS.1.02 The diagram shows the relative heights of ocean tides on Earth at a particular time. Which diagram shows one possible location of the Moon at the time when these tides occur?

a)
b)
c)
d)
44.

8.ESS.2.01 Which of the following processes created the high mountains of the Himalayas?

a)

glacial erosion

b)

physical weathering

c)

the deposition of sediments

d)

the collision of tectonic plates

45.

8.ESS.2.01 A science museum wants to demonstrate some processes of Earth’s tectonic plates. Wooden blocks will be used to represent the tectonic plates.

Which of the following demonstrations would best show how Earth’s tectonic plates interact with the layer directly beneath the plates?

a)

gluing the blocks onto solid rock

b)

burying the blocks in a bed of dry sand

c)

sliding the blocks along the top of warm solid metal

d)

floating the blocks on a slowly moving pool of thick mud

46.

8.ESS.2.05 Lake Ontario, one of the Great Lakes, usually receives heavy snowfall during the winter. Snow often falls after a cold air mass passes through the area. This air mass tends to be colder than the lake water.

Which of the following best explains why snow falls over the lake after the air mass passes over it?

a)

The air mass pushes clouds over the lake, and snow falls from the clouds.

b)

Snow falls when sinking air from the air mass is warmed by the lake water.

c)

The air mass cools the surface of the lake, causing condensation to occur and snow to fall.

d)

Snow falls from clouds that form when rising water vapor from the lake is cooled by the air mass and condenses.

47.

The map below shows the locations of two cities. City Y is near the coast, and city Z is near the middle of a continent. The cities have the same elevation. Based on the map, which of the following statements describes how the climates of the two cities are most likely different?

a)

City Y receives less rain than city Z.

b)

City Y has colder winters than city Z.

c)

City Y has cooler summers than city Z.

d)

City Y receives more sunlight than city Z.

48.

Which of the following is most similar to the number of stars in a galaxy?

a)

the number of galaxies in the universe

b)

the number of layers that make up Earth

c)

the number of stars in our solar system

d)

the number of planets in our solar system

49.

The paths of two air masses, X and Y, are shown in the diagram below. Air mass X is a cold air mass. Air mass Y is a warm air mass. When the air masses meet, winter storms may be produced. Which of the following most likely contributes to the formation of these storms?

a)

Cold air mass X moves over warm air mass Y, and evaporation occurs.

b)

Warm air mass Y moves over cold air mass X, and condensation occurs.

c)

Cold air mass X mixes with warm air mass Y, and the overall temperature increases.

d)

Warm air mass Y mixes with cold air mass X, and the overall temperature decreases.

50.
The diagram represents the movement of the mantle under the earth's crust. Which process is represented by the diagram?
a)
rotation
b)
conduction
c)
radiation
d)
convection