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2019 Earth Science Mid Term Prep

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

As altitude increases,

a)

air pressure decreases, and density increases.

b)

air pressure increases, and density decreases.

c)

air pressure and density increase.

d)

air pressure and density decrease.

2.

Most weather takes place in the

a)

stratosphere.

b)

thermosphere

c)

troposphere.

d)

mesosphere.

3.

As Earth completes one orbit around the sun, it has completed one

a)

A rotation

b)

B year

c)

C revolution

d)

A and C

4.

The daily breezes that occur in a city that is located near a large body of water are examples of

a)

local winds.

b)

monsoons

c)

global winds.

d)

westerlies.

5.

Low, flat layers of clouds that often cover much of the sky and produce steady and widespread rain are

a)

cumulonimbus clouds.

b)

cirrus clouds.

c)

nimbostratus clouds.

d)

altostratus clouds.

6.

What type of front forms when two unlike air masses form a boundary, but neither is moving?

a)

warm

b)

cold

c)

stationary

d)

occluded

7.

Which of the following factors affect a region’s temperature?

a)

latitude and altitude

b)

distance from large bodies of water

c)

ocean currents

d)

all of them Wiz

8.

Which of the following helps explain why the planets remain in motion around the sun?

a)

A density

b)

B gravity

c)

C inertia

d)

D. B and C

9.

How might a nitrogen-oxygen atmosphere on the moon affect the range of temperatures on the moon?

a)

An atmosphere might hold heat in, making the moon very hot.

b)

An atmosphere might block heat radiating from the sun, making the moon very cold.

c)

An atmosphere might moderate temperatures, making them more even, as on Earth.

d)

An atmosphere would have no effect on the range of temperatures on the moon.

10.

The moon most likely formed

a)

from a collision of Earth with a Mars-sized object.

b)

in another region of space and drifted toward Earth.

c)

from material in the solar system that came together.

d)

in the same way as Earth was formed.

11.

Ocean tides are the result of

a)

the rotation of Earth.

b)

the sun’s gravitational pull on Earth.

c)

changes in Earth’s orbital position around the sun.

d)

differences in both the sun’s and moon’s gravitational pull on Earth.

12.

According to the nebular theory, the solar system formed from

a)

accretion of protoplanets.

b)

burning off of extrasolar debris

c)

crumbling of one nebular protomass

d)

all of them Wiz

13.

What will happen to the relative amounts of hydrogen and helium in the sun over the next few billion years?

a)

Hydrogen will increase and helium will decrease.

b)

Hydrogen will decrease and helium will increase.

c)

Both hydrogen and helium will decrease.

d)

Both hydrogen and helium will remain the same.

14.

Astronomers classify stars on an H-R diagram according to their

a)

distance from Earth.

b)

color, size, and absolute brightness.

c)

age and parallax.

d)

all of the above

15.

All stars remain on the main sequence

a)

until they stabilize.

b)

for about 90 percent of their lifetimes.

c)

until they become protostars.

d)

for about 10 billion years.