2nd Semester Earth Science Review-6th Grade

Question 1

The most abundant gas in the atmosphere is

Accepted Answer

nitrogen

Question 2

The layers of the atmosphere are classified according to changes in

Accepted Answer

temperature

Question 3

Which of the following is one of the three main types of clouds?

Accepted Answer

cirrus

Question 4

If Earth’s rotation slowed down,

Accepted Answer

a day would be longer

Question 5

The temperature at which condensation begins is called

Accepted Answer

dew point

Question 6

The total amount of water on Earth

Accepted Answer

is mostly constant.

Question 7

How much of the moon's surface can you see during a new moon phase from Earth?

Accepted Answer

none

Question 8

What does one revolution of the Earth around the sun equal?

Accepted Answer

a year

Question 9

The atmosphere is

Accepted Answer

the layer of gases that surrounds Earth

Question 10

Which of the following represents the correct order for a lunar eclipse to occur?

Accepted Answer

sun, earth, moon

Question 11

Which of the following areas of an ocean would have the LOWEST salinity levels?

Accepted Answer

where a river flows into an ocean

Question 12

What does wind blowing over the ocean transfer to the water?

Accepted Answer

wind

Question 13

About what percentage of Earth's water is fresh water?

Accepted Answer

3%

Question 14

The ___extends from the top of the stratosphere to the bottom of the mesosphere

Accepted Answer

stratosphere

Question 15

What type of air mass would form above North Central Canada?

Accepted Answer

continental polar

Question 16

Density can be determined by using

Accepted Answer

D=M/V

Question 17

A mercury barometer is used to measure

Accepted Answer

air pressure

Question 18

Spring tides occur when the sun, earth, and the moon are

Accepted Answer

in a straight line

Question 19

How many total tides occur in 24 hours?

Accepted Answer

4

Question 20

Where is most freshwater on Earth found?

Accepted Answer

Ice

Question 21

The way that Earth's rotation causes winds to curve is called the ___ Effect.

Accepted Answer

Coriolis

Question 22

At what angle is Earth tilted on its axis?

Accepted Answer

23.5o

Question 23

In order for water vapor to condense, it must

Accepted Answer

lose energy

Question 24

Tides are mostly caused by

Accepted Answer

the moon

Question 25

Heat transfer through a liquid or a gas called

Accepted Answer

convection

Question 26

The gases in our atmosphere other than oxygen and nitrogen make up about what percent of air?

Accepted Answer

1%

Question 27

How many hours are there between a low tide and the next high tide?

Accepted Answer

12

Question 28

What could be a possible cause of wind?

Accepted Answer

all of the above

Question 29

Which of the following can create a wave?

Accepted Answer

all of the above

Question 30

______ is when liquid water gains enough energy to escape into the air as water vapor.

Accepted Answer

Evaporation

Question 31

Clouds that are low layered, flat and cover most of the sky are called _____ clouds.

Accepted Answer

stratus

Question 32

What occurs when clouds get too full of water?

Accepted Answer

precipitation occurs

Question 33

What is the freezing and boiling points of water in degrees Celsius?

Accepted Answer

0o and 100o

Question 34

Winds that are known to blow steadily over long distances are called ___ winds.

Accepted Answer

global

Question 35

What occurs in water vapor in the air cools?

Accepted Answer

condensation

Question 36

About how much of Earth's water is salt water?

Accepted Answer

97%

Question 37

A tide with the LEAST difference between high and low tide is referred to as a ____ tide.

Accepted Answer

neap

Question 38

The inner layer, or "weather layer" of the atmosphere is called the

Accepted Answer

troposphere

Question 39

As the salinity of water increase, the density of water

Accepted Answer

increases

Question 40

The positions of which objects are responsible for the moon’s phases?

Accepted Answer

the moon, sun, and the Earth

Question 41

Winds that blow over short distances are called

Accepted Answer

local winds

Question 42

What does the Earth rotate on?

Accepted Answer

its axis

Question 43

What phase must the moon be in to allow for a lunar eclipse?

Accepted Answer

full

Question 44

Which of the following can absorb or reflect energy from the sun?

Accepted Answer

all of the above

Question 45

Earth’s tilt of its axis is responsible for which of the following?

Accepted Answer

the changing of the seasons

Question 46

As salinity of water increases, the density of water

Accepted Answer

increases.

Question 47

Air in the atmosphere has pressure becuase

Accepted Answer

air has mass

Question 48

What type of water would be found in the air?

Accepted Answer

freshwater

Question 49

How much of Earth's surface is covered by water?

Accepted Answer

71%

Question 50

About how long does it take the moon to complete one cycle of phases?

Accepted Answer

one month

2nd Semester Earth Science Review-6th Grade

Questions 50

2nd Semester Earth Science Review-6th Grade

Questions 50