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CFA Review 4/14

Total questions: 78

Worksheet time: 4hrs 54mins

Name
Class
Date
1.

The definition of eclipse is: (a)  

Choose from the below words
The planets line up
The Sun, Earth and Mars line up
The Sun, Earth and Moon line up
The Earth, Moon and Venus line up 
2.
Tides are the cycle of rising and falling ocean water that repeats automatically every
a)
24 hours
b)
12.5 hours
c)
25 hours
d)
6.25 hours
3.
Differences in the moon's and sun's pull on different sides of the Earth cause _________.
a)
gravity
b)
lunar phases
c)
tides
d)
dabbing
4.

Which body has the greater effect on Earth's tides?

a)

Sun

b)

Saturn

c)

Moon

d)

Venus

5.

What is a difference between spring and neap tides?

a)

Spring tides occur when the earth and sun are IN LINE with the new or full moon.

b)

Spring tides occur when moon in 3rd or 1st quarter phases

c)

Spring tides are LOWER than neap tides

d)

Spring tides occur in Spring and neap tides can occur in any season

6.
What type of tides would this arrangement of earth-moon-sun create?
a)
neap tide
b)
spring tide
c)
new moon tide
d)
full moon tide
7.

The diagram below shows the alignment of the sun, the moon, and Earth. In which locations are neap tides taking place?

a)

1 and 2

b)

1 and 3

c)

2 and 4

d)

3 and 4

8.

Choose the correct moon phase.

a)

Full moon

b)

Crescent moon

c)

Waxing Gibbous

d)

New moon

9.

Name the moon phase

a)

Waning crescent

b)

Waxing crescent

c)

Waning gibbous

d)

Waxing gibbous

10.

The moon phases occur because...

a)

The moon grows and gets smaller.

b)

The moon revolves around the earth.

c)

The sun, earth, and the moon create shadows.

d)

The moon produces its own light.

11.

Name the moon phase

a)

First quarter

b)

Last quarter

c)

New moon

d)

Full moon

12.

As the moon moves from a new moon to a full moon, you see...

a)

The moon appearing increasingly lighter.

b)

The amount of light the moon is receiving is decreasing.

c)

The amount of light the moon gets stays constant.

d)

More light and then less light.

13.

The moon affects...

a)

How we all behave.

b)

The coriolis effect.

c)

The tides.

d)

Our physical health.

14.

As the moon revolves around the earth, the water follows the motion and causes...

a)

Some waves and currents.

b)

High tides and low tides.

c)

The moon phases.

d)

Sea levels.

15.

Which of the following words describe the phases of the moon?

a)

None, quarter, half, three quarters, full.

b)

Dark, light, half, quarter, red.

c)

New, crescent, quarter, gibbous, full.

d)

First quarter, second quarter, third quarter, fourth quarter.

16.

The moon ____ around the Earth.

a)

Orbits

b)

Climbs

c)

Jumps

d)

?

17.

How many phases does the moon go through?

a)

4

b)

8

c)

12

d)

6

18.
Which moon phase is when you can't see the moon at all?
a)
Waning crescent
b)
Full moon
c)
Waxing gibbous
d)
New moon
19.
About how long does it take the moon to make one complete cycle around the earth?
a)
65 days
b)
8 days
c)
365 days
d)
28 days
20.
Phases of the moon in which the moon appears to be getting larger are referred to as _.
a)
waxing
b)
waning
c)
new
d)
eclipse
21.
What Moon phase is this?
a)
Full Moon
b)
Waxing Gibbous
c)
New Moon
d)
Half Moon
22.
What Moon phase is this?
a)
Waxing Crescent
b)
Waning Gibbous
c)
Waning Crescent
d)
Waxing Gibbous
23.
What Moon phase is this?
a)
Last Quarter
b)
New Moon
c)
Third Quarter
d)
First Quarter
24.
What phase comes AFTER this one?
a)
Waxing Crescent
b)
Waning Gibbous
c)
Waxing Gibbous
d)
Third Quarter
25.
What phase comes BEFORE this one?
a)
New Moon
b)
Third Quarter
c)
Waxing Crescent
d)
Full Moon
26.
Which of the following are explanations for winter?
a)
Hemisphere is tilted towards Sun, Earth is closer to the Sun, Daylight hours are longer
b)
Earth's axial is 23.5 degrees, hemisphere is tilted towards the Sun, Daylight hours are longer
c)
Hemisphere is tilted away from Sun, Daylight hours are shorter, Earth's axial tilt of 23.5 degrees
d)
Hemisphere is tilted away from Sun, Daylight hours are longer, Earth's axial tilt of 23.5 degrees
27.
Which of the following are true during spring/fall?
a)
Hemisphere is tilted towards Sun, Earth is closer to the Sun, Daylight hours are longer
b)
Earth's axial is 23.5 degrees, hemisphere is tilted towards the Sun, Daylight hours are longer
c)
Hemisphere is tilted away from Sun, Daylight hours are shorter, Earth's axial tilt of 23.5 degrees
d)
Earth's tilt is neither towards or away from the Sun, Earth's tilt always points toward Polaris
28.

Use the calendar to predict the moon phase on March 16th.

a)

New Moon

b)

Full Moon

c)

Third Quarter

d)

First Quarter

29.

Use the calendar to predict the moon phase on March 5th.

a)

Waxing Crescent

b)

Waning Crescent

c)

Waning Gibbous

d)

Waxing Gibbous

30.

Use the calendar to predict the moon phase on March 19th.

a)

Waxing Crescent

b)

Waning Crescent

c)

Waning Gibbous

d)

Waxing Gibbous

31.

What moon phase would we see on earth when the moon, sun and earth are in this position?

a)

waxing crescent

b)

waning crescent

c)

waxing gibbous

d)

waning gibbous

32.

Which picture represents the moon phase we would see on the earth in the moon is in position M4?

a)
b)
c)
d)
33.
A large cloud of gas and dust in interstellar space; the predecessor to stars...
a)
Constellation
b)
Black hole
c)
Nebula
d)
Galaxy
34.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
35.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
36.
The life cycles of stars are determined by their:
a)
mass (size)
b)
color
c)
distance from Earth
d)
luminosity
37.
Most stars are made of which elements?
a)
Hydrogen only
b)
Hydrogen and Lithium
c)
Hydrogen and Sodium
d)
Hydrogen and Helium
38.
Which star has the lowest temperature?
a)
A
b)
B
c)
C
d)
D
39.
Which star has the lowest luminosity?
a)
A
b)
B
c)
C
d)
D
40.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
41.
Compared to the rest of the stars, our sun is considered...
a)
Extremely Large and Cold
b)
Small with a medium temperature
c)
Medium size with medium temperature
42.
This has more mass than a moon but less mass than star.
a)
Galaxy
b)
Universe 
c)
Planet
d)
Nebula
43.
This has more mass than a planet but less mass than nebula.
a)
Moon 
b)
Solar System 
c)
Universe 
d)
Galaxy 
44.
The sun is on the edge of the 
a)
Milky Way Galaxy 
b)
The solar system 
c)
The Universe 
45.
Which is in order from greatest to least mass?
a)
Universe, Sun, Galaxy, Moon
b)
Universe, Galaxy, Nebula, Star
c)
Star, Nebula, Galaxy, Universe
d)
Planet, Moon, Star, Solar System 
46.
All of the matter that exists in space. 
a)
Galaxy 
b)
Universe 
c)
Nebulas 
d)
Stars 
47.
All planets in our solar system orbit the sun because of the Sun's gravity.
a)
True 
b)
False 
48.

The force that governs motion in space and on Earth....

a)

Friction

b)

Inertia

c)

Gravity

d)

Air Resistance

49.

Our solar system is located....

a)

In the middle of an elliptical galaxy

b)

On the edge of a disc shaped galaxy

c)

In the middle of an elliptical galaxy

d)

On the edge of an elliptical galaxy

50.
In which position is North America in summer?
a)

Position 1 because North America is tilted towards the Sun.

b)

Position 2 because North America gets the most direct sunlight.

c)

Position 3 Because North America is parallel to the Sun.

d)

Position 4 because North America is titled away from the sun recieving indirect sunlight.

51.
What should the student do to model day and night
a)
Spin the ball in different directions.
b)
Tilt the ball while it's spinning.
c)
Paint one half of the ball black and the other half white.
d)
Shine a bright light on one side of the ball.
52.
Which of these best compares the the conditions of location X and location Y?
a)
It's day at location X and night at location Y.
b)
It's winter at location X and summer at location Y.
c)
Location X is recieveing direct sunlight causing longer days.
d)
The Moon is brighter when viewed from location X.
53.

What is a population?

a)

All the organisms on Earth and where they live.

b)

Group of organisms of one type that live in the same area.

c)

Groups of different species that live in a defined area.

d)

Parts of an ecosystem that are living or use to be living.

54.

What is the best definition of community?

a)

Populations of different species living together in a defined area.

b)

HEB, Target and my coffee on a sunny day!

c)

A population of a single species living in a define area.

d)

A group of one type of organisms living in a defined area.

55.

An ecosystem is___________________.

a)

The interaction of coffee and creamer in my coffee cup.

b)

The interaction of nonliving things in a particular environment.

c)

The interaction of living things in a particular environment.

d)

The interaction of living and nonliving things in a particular environment.

56.

What best describes biome?

a)

A region on earth where only plants live.

b)

A region on earth where specific plants and animals have adapted to live in that environment.

c)

A region on earth where only animals live.

d)

A region on earth where plants and animals are not able to thrive.

57.

Define abiotic

a)

Nonliving things

b)

Something big

c)

Something small

d)

Living things

58.

Which picture represents biotic?

a)
b)
c)
d)
59.

A habitat is_________________.

a)

A place where an organism finds food, water, shelter and space to thrive.

b)

A place where there is no food, water, shelter or space for organisms to thrive.

60.

A niche is ________________.

a)

The biotic and abiotic factors in an ecosystem.

b)

The roll we had with our meal.

c)

The habitat of an organism.

d)

The role (job) of an organism in an ecosystem.

61.

What best describes the levels in ecology? from smallest to largest

a)

Organism

Population

Community

Ecosystem

Biome

Biosphere

b)

Population

Community

Niche

Biome

Biosphere

Organism

c)

Ecosystem

Organism

Population

Community

Biome

Biosphere

d)

Biosphere

Biome

Ecosystem

Community

Population

Organism

62.

Which image is a decomposer?

a)

Mushrooms

b)

Cows

c)

Plants

d)

Trees

63.

Which definition best defines consumer?

a)

Organisms that do not eat or drink.

b)

Organisms that eat producers or other organisms.

c)

Organisms that only drink water.

d)

Organisms that eat sunlight.

64.

Which choice best describes a producer?

a)

An organism that does not eat.

b)

An organism that uses moonlight to directly make its own food.

c)

An organism that uses sunlight directly to make its own food.

d)

An organism that gets it food from other organisms.

65.

Which of the following best describes a relationship in this grassland?

a)

Badgers are top predators because they eat upland sandpipers and beetles.

b)

A producer–consumer relationship exists between lupines and ants.

c)

A predator–prey relationship exists between beetles and ground squirrels.

d)

Upland sandpipers are primary and secondary consumers because they eat grasses and grasshoppers.

66.

Which statement about stars is correct?

a)

Star formation begins in a nebula.

b)

White dwarfs become main-sequence stars when they gain mass.

c)

Supergiants are stars that can absorb black holes.

d)

Main-sequence stars are formed by comets.

67.

Based on their observations, can the students correctly conclude that a chemical reaction occurred?

a)

No, because the metal strip was still visible

b)

Yes, because a new material of a different color formed on part of the metal strip

c)

No, because the solution stayed blue

d)

Yes, because the volume of the blue solution stayed the same

68.
Which of the following would have a negative impact on an ecosystem
a)
constructing highways
b)
planting trees
c)
recycling paper
69.

Define biodiversity

a)

variety of life in Earth's land, freshwater, and marine ecosystems

b)

variety of ecosystems in a given area

c)

the number of different species in a given area and the number of individuals of each species that are present

d)

the variation of genes within a species or population in a given area

70.

Define genetic diversity

a)

variation of genes within a species or population in a given area

b)

variety of ecosystems in a given area

c)

system made up of all the living and nonliving things in a given area

d)

disturbance in the environment conditions that cause genetic changes to occur in organisms

71.

Which statement best describes an example of low species diversity?

a)

A population of frogs has a wide variety of skin colors

b)

A marsh ecosystem is covered by a single species of cattail bulrushes

c)

A state park includes multiple forest, wetland, and freshwater ecosystems

72.

What can biodiversity influence within an ecosystem?

a)

how well the ecosystem recovers from a disturbance

b)

how well the ecosystem grows after rain

c)

how poorly the ecosystem responds to a drought

73.
What do scientist call organisms that are not native to an ecosystem and cause harm to native organisms?
a)
native plants
b)
invaders
c)
invasive species
d)
natural species
74.
Which is NOT an example of a natural environmental change?
a)
a beaver dam
b)
a hurricane
c)
a volcanic eruption
d)
a housing development
75.
When the last member of a species dies, the species becomes
a)
extinct
b)
endangered
c)
threatened
d)
dead
76.

A reduction in the variety of pollinating insects would negatively affect the plant populations that depend on them. Which of the following describes the most serious impact this would have on humans?

a)

Plants that don't need insects to pollinate would die

b)

Crops that humans use for food would be reduced

c)

People would have to build new homes

d)

There would be a decrease in the availability of soil

77.

Information on brown tree snakes is provided along with information on the island of Guam. Brown tree snakes were first brought to Guam in 1950. The introduction of tree snakes has brought about changes to the ecosystem on the island of Guam. What is the best evidence of the change?

a)

Several other species of snakes were known to live on Guam before 1950.

b)

The population of lizards on Guam in 1960 was very small.

c)

The longest brown tree snake ever found on Guam measured three meters in length.

d)

Most of the military bases on Guam were closed in the 1980’s.

78.

The chart lists data on four different projects designed to restore a wetlands habitat destroyed by human activity and a recent hurricane. The project that will be chosen will have to be low in cost, benefit the greatest number of species, and be popular with the local citizens whose taxes will sponsor it.

a)

Project 1

b)

Project 2

c)

Project 3

d)

Project 4