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CFA Review

Total questions: 64

Worksheet time: 2hrs 57mins

Name
Class
Date
1.

Which of the following events in the water cycle is an example of solar energy being absorbed? (5.8B)

a)

Water vapor condensing to form clouds

b)

Water evaporating from the surface of an ocean

c)

Rain freezing as it falls toward the ground

d)

Clouds releasing precipitation over a mountain

2.

The diagram shows the process of evaporation over the ocean. What is the most likely effect of this process on the land areas nearby? (5.8B)

a)

Increased drought conditions

b)

Decreased erosion of the shoreline

c)

Increased precipitation

d)

Decreased solar energy

3.

This photograph shows a beach on a partly sunny day. Which of the following is an interaction between the sun and the ocean that results in clouds forming near the beach? (5.8B)

a)

Energy from the sun causes precipitation over the ocean.

b)

Energy from the sun causes water to evaporate from the ocean.

c)

Light from the sun reflects off the surface of the ocean.

d)

Light from the sun decreases the amount of water vapor in the air over the ocean.

4.

The model shows where water can be found during different stages of the water cycle. What should be added to the diagram to better explain the water cycle? (5.8B)

a)

Soil to trap water from runoff

b)

The sun to provide energy for evaporation

c)

Rocks to release thermal energy

d)

Plants to provide oxygen in the atmosphere

5.

The picture shows a cumulonimbus cloud forming over an ocean. Which statement best explains how the sun and the ocean interact to form a cumulonimbus cloud? (5.8B)

a)

Heat from the sun warms the ocean, causing the water to evaporate. The water vapor then condenses to form a cumulonimbus cloud.

b)

Heat from the sun causes clouds in the area to gather over the ocean and form one large cumulonimbus cloud.

c)

Light from the sun shines on the ocean, causing water vapor to condense. The water then evaporates to form a cumulonimbus cloud.

d)

Light from the sun causes ocean water to reflect water vapor into the air and gather over the ocean into a cumulonimbus cloud.

6.

The pictures show a sidewalk at three different times on the same day. The changes were caused by the weather. Which table best describes the changes that most likely occurred between 6 am and noon? (4.8B)

a)
b)
c)
d)
7.

A diagram of the stages in the water cycle is shown. Which of these observations would most likely be seen at Stage N? (4.8B)

a)

Water flowing downhill

b)

Fog forming along a highway

c)

The water level of a lake decreasing

d)

Dark clouds forming in the sky

8.

A ______ is a division of the calendar year

marked by weather patterns and the number of

daylight hours.

a)

month

b)

year

c)

week

d)

season

9.

The picture below shows a girl and her shadow.

Where is the Sun located relative to the girl?

a)

In front of her

b)

Directly overhead

c)

Behind her

d)

To her left

10.

Which letter on the diagram below labels the movement that is part of the reason for the seasons on Earth?

a)

A

b)

B

c)

C

d)

D

11.

Shown below are phases of the lunar phase cycle, starting with the new Moon. Which Moon phase is missing in the pattern below?

a)
b)
c)
d)
12.

The changing of seasons follows a predictable pattern. Which choice below is correct?

a)

Fall, summer, winter, spring

b)

Summer, fall, winter, spring

c)

Spring, winter, summer fall

d)

Winter, fall, summer, spring

13.

Which of the following choices is the main reason that temperate climates experience four distinct seasons on Earth?

a)

The Earth rotates on its axis once every 24 hours.

b)

The Earth is tilted approximately 23.5o on its axis.

c)

It takes the Earth 365 days to orbit once around the Sun.

d)

The Moon rotates around the Earth once every 27 days.

14.

Shadows are created when light strikes an object that is –

a)

clear

b)

transparent

c)

glass

d)

opaque

15.

Which phase of the moon occurs when the Moon is half illuminated by the Sun? A C B D

a)

New Moon

b)

Crescent Moon

c)

Quarter Moon

d)

Full Moon

16.

How long does it take the Earth to orbit the Sun?

a)

24 hours

b)

365 days

c)

30 days

d)

355 days

17.

Looking at the diagram and using your knowledge of seasons, which season is the northern hemisphere most likely experiencing?

a)

Summer

b)

Fall

c)

Winter

d)

Spring

18.

A cold front will bring low temperatures on next Tuesday. (Un frente frío traerá bajas temperaturas el próximo martes.)

a)

weather

b)

climate

19.

Global temperatures have risen over the last 30 years. (Las temperaturas globales han aumentado en los últimos 30 años.)

a)

weather

b)

climate

20.

Hurricanes usually happen during the summer months. (Hurucanes forestales suelen ocurrir durante los meses de verano.)

a)

weather

b)

climate

21.

January is usually cold. (Enero es generalmente frío.)

a)

weather

b)

climate

22.

Wednesday, January 13 will be 23 degrees celsius. (El miércoles 13 de enero habrá 23 grados centígrados.)

a)

weather

b)

climate

23.

August is usually the hottest month of the year.

a)

weather

b)

climate

24.

The rainforest averages 100 inches of rain per year. (La selva tropical tiene un promedio de 100 pulgadas de lluvia por año.)

a)

weather

b)

climate

25.

March USUALLY averages low temperatures of 18 degrees Celsius. (Marzo suele tener temperaturas bajas de 18 grados centígrados en promedio.)

a)

weather

b)

climate

26.

I measured and recorded rainfall through the whole year to compare it with rainfall from the last 30 years. (Medí y registré las precipitaciones durante todo el año. Lo compararon con las lluvias de los últimos 30 años.)

a)

weather

b)

climate

27.

High temperatures in the summer months have increased over the last several years. (Las altas temperaturas en los meses de verano se han incrementado en los últimos años.)

a)

weather

b)

climate

28.

Students calculated the high temperatures over the last 30 years to find the average temperatures of their area. (Los estudiantes calcularon las temperaturas más altas durante los últimos 30 años.)

a)

weather

b)

climate

29.

Tomorrow has a 60% chance of rain. (Mañana tiene un 60% de probabilidad de lluvia.)

a)

weather

b)

climate

30.

Earth rotates on its axis once approximately every -

a)

month

b)

24 hours

c)

year

d)

12 hours

31.

A person standing in Texas notices the sun is rising. At the same moment, a person in Japan sees that the sun has just set. Which statement correctly describes how it can be sunrise and sunset at the same moment?

a)

The sun's rotation around Earth enables part of Earth to have sunlight while the other part is in darkness.

b)

The sun has moved from one location to the other during the course of a day.

c)

Earth's rotation on its axis enables part of the Earth to have sunlight while the other part is in darkness.

d)

Earth has circles around the sun during the course of a day.

32.

Earth's rotation causes the day and night cycle. It also causes -

a)

the sun to appear to move

b)

the sun to remain in orbit

c)

the sun to orbit Earth

d)

all of the above

33.

Which statement correctly describes the sun's apparent movement across the sky?

a)

As Earth spins on its axis, it makes the sun appear to move across the sky.

b)

As the sun spins around Earth, it moves across the sky.

c)

Earth rotates around the sun every 24 hours, making the sun appear to move across the sky

d)

The sun rotates around Earth every 12 hours, making the sun appear to move across the sky.

34.

A student notices the sun in the eastern part of the sky. The time of day could be all of the following EXCEPT -

a)

8:00 A.M.

b)

10:00 A.M.

c)

4:00 A.M.

d)

9:30 A.M.

35.

A student looks outside and observes the sun in the western sky. Which of the following times could it be?

a)

Sunrise

b)

Sunset

c)

Noon

d)

Midnight

36.

Earth rotates on its axis, but it also makes a complete revolution. How long does it take Earth to make one complete revolution?

a)

1 day

b)

1 month

c)

365 days

d)

1 week

37.

In an activity, students make a sundial. the sundial uses the sun to tell the approximate time of day.

How is the possible?

a)

The sun moves across the sky each day because it spins around Earth.

b)

The sundial measures the distance from Earth to the sun as it moves across the sky.

c)

Earth moves around the sun each day, causing the sun to appear to move across the sky.

d)

The position of the sun appears to change during the day because Earth rotates.

38.

This photograph shows the night sky over a period of many hours.

Why does the night sky appear to move in a circular pattern?

a)

Earth rotates on its axis once a day.

b)

The night sky rotates over Earth.

c)

Stars travel in a circular direction around the Earth.

d)

Earth rotates on its axis once every 12 hours.

39.

Which position shows where the sun would most likely be at 12:00 P.M. ?

a)

Position A

b)

Position B

c)

Position C

d)

Answer is not here

40.

Students are asked to draw a diagram to show the process that causes day and night. Which of the following student diagrams correctly shows the process that causes the day/night cycle?

a)

A

b)

B

c)

C

d)

D

41.

Light travels in a

a)

curvy line

b)

zig zag line

c)

straight line

d)

downward motion

42.

Which answer describes what happens to the light beam as it interacts with each object?

a)

1. reflected

2. absorbed

3. refracted

b)

1. refracted

2. absorbed

3. reflected

c)

1. absorbed

2. reflected

3. refracted

d)

1. absorbed

2. reflected

3. scattered

43.

Light passing through a lens and making an object enlarged is called-

a)

reflection

b)

refraction

c)

scattered

d)

absorbed

44.

Which of the following represents the material that allows light to pass through?

a)

1. Transparent

2. Translucent

3. Opaque

b)

1. Clear

2. Foggy

3. Translucent

c)

1. Translucent

2. Transparent

3. Opaque

d)

1. Opaque

2. Transparent

3. Translucent

45.

Which of these best demonstrates the reflection of light?

a)

Looking through the glass of a large window

b)

Looking at a lightbulb that is glowing

c)

Looking at an image formed on a silver spoon

d)

Looking at a star on a clear night

46.

 

When light travels through air into a prism, it bends and separates into many colors. Which term describes how the light bends?

a)

The light is absorbed by the prism.

b)

The light is reflected by the prism.

c)

The light is transformed by the prism.

d)

The light is refracted by the prism.

47.

Which of these best demonstrates the refraction of light?

a)

Looking through a telescope at night.

b)

Looking in the mirror.

c)

Seeing yourself on your phone screen.

d)

Watching a laser bounce off of a smooth surface.

48.

Which of the following explains they the swimmer's bodies appear to not line up with their heads?

a)

Light travels in a straight line and is reflected off the surface.

b)

Light travels through one medium into another and is refracted.

c)

Light travels in a straight line and is refracted off the surface.

d)

Light travels through one medium into another and is reflected.

49.

A girl scout uses light energy from a campfire to-

a)

cook her hot dog

b)

use the heat to get warm.

c)

see in the darkness

d)

use the energy for her circuit

50.

1. When light bounces it is-

2. When light bends it is-

a)

1. Reflection

2. Refraction

b)

1. Refraction

2. Reflection

c)

1. traveling in a curvy path.

2. traveling in a circular path.

d)

1. absorbed

2. scattered

51.

A student builds a circuit made up of a battery, two light bulbs, and a switch. What will the student most likely observe in this circuit?

a)

Light bulb 1 and light bulb 2 will both be on

b)

Light bulb 1 will be off, but light bulb 2 will be on

c)

Light bulb 1 and light bulb 2 will both be off

d)

Light bulb 1 will be on, but light bulb 2 will be off

52.

The diagram shows a series circuit with three lit bulbs. How many of the bulbs will remain lit if the wire is cut a the point shown by the arrow?

a)

0

b)

1

c)

2

d)

3

53.

Which of these changes to the electric circuit shown above will cause the lightbulb to light up.

a)

Straightening the wire so that the current can flow more easily

b)

Adding a switch and more wire so that the current can flow more easily

c)

Turning one battery so that its positive end connects to the other battery's negative end

d)

Making the length of wire the same on both sides of the lightbulb

54.

A string of lights with small bulbs is shown below. The bulbs are connected by wire that is covered in an insulator. When the lights are on, electricity travels in....

a)

a complete circuit

b)

a sound wave

c)

a light ray

d)

an incomplete path

55.

The diagram shows the metal posts that are usually found on a battery. The battery can be connected to a bell and a switch to produce sound. Which statement best explains why there are two metal posts on the battery?

a)

The battery needs only one metal post to connect to the bell, but the other post is present in case the first post fails to post.

b)

The battery needs to form a complete circuit that starts with one metal post and ends with the other metal post.

c)

One metal post makes a complete circuit with the switch, and the other metal post makes a complete circuit with the bell.

d)

One metal post makes the bell start to ring, and the other metal post makes the bell ring louder

56.

Most cars have lights, power locks, radios and other equipment that uses electricity. Electric circuits power this equipment. Each circuit has a fuse that completes it. The picture shows one type of fuse a car may have. Which of these describe one thing that could happen if the wire in a car fuse burns out?

a)

The car's light will burn brighter

b)

The car's radio will not work

c)

The car's turn signal will blink to slowly

d)

The car's power windows will open faster

57.

A group of students built the circuit shown above. The lightbulb does not glow. Which statement explains this observation?

a)

The battery is not charged

b)

The lightbulb is not part of a complete circuit

c)

The circuit does not have a switch

d)

The bell uses most of the energy from the battery

58.

Many types of fans are used in homes. One type of electric fan is shown above. In addition to mechanical energy, which of these is produced as electric current passes through the circuit of this fan?

a)

Heat

b)

Mass

c)

Light

d)

Water Vapor

59.

A simplified diagram of a system using solar energy is shown. To recharge the battery for later use without lighting the bulb, which of the following switches should be closed?

a)

switch S only

b)

switches R and S only

c)

switches R and T only

d)

switches R, S, and T

60.

All the lightbulbs in this circuit are lit. Which change would cause all the bulbs to go out?

a)

Removing wire 1

b)

Removing wires 2 and 4

c)

Removing wires 2 and 5

d)

Removing wires 3 and 4

61.

Students constructed a circuit using different-colored lightbulbs. What will happen if Switch 3 is closed and the other switches are left open?

a)

Only the white bulb will operate

b)

None of the bulbs will operate

c)

Only the white and yellow bulbs will operate

d)

Only the red and blue bulbs will operate

62.

The circuit has 3 lightbulbs and a bell. Which procedure will result in only the blue lightbulbs operating?

a)

Close switches 1 and 2 and leave switch 3 open

b)

Close switch 3 and leave switches 1 and 2 open

c)

Close switches 2 and 3 and leave switch 1 open

d)

Close switch 2 and leave switches 1 and 3 open

63.

The diagram shows an electric circuit with four bells that a student plans to build. When the student connects the wire as shown, which of the bells will ring?

a)

Bell 1 only

b)

Bells 1 and 4 only

c)

Bells 3 and 4 only

d)

Bells 1, 2, 3, and 4

64.

In some circuits that are used for decorating, one burned-out lightbulb will prevent all the other lightbulbs from lighting. In other circuits, one burned-out lightbulb will have no effect on the other lightbulbs. In which of these circuits will the other lightbulbs still light even if one bulb is burned out?

a)
b)
c)
d)