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Unit 2

Total questions: 55

Worksheet time: 38mins

Name
Class
Date
1.

How many stars are in our solar system?

a)

1

b)

2

c)

3

d)

10

2.

The Sun is Gaseous made of mostly _________ and _________.

(a)  

3.

The Sun is the __________ object in our solar system.

a)

Smallest

b)

Largest

c)

Same size as Earth

4.

Which force keeps the planets in their orbits around the Sun?

a)

Gravity

b)

Magnetism

c)

Electricity

d)

Friction

5.

How many planets orbit our Sun?

a)

10

b)

9

c)

7

d)

8

6.

Which statement best explains why the Sun and moon appear to be about the same size?

a)

They are the same size

b)

The moon is larger than the sun but farther away

c)

The moon is smaller than the sun but, closer to earth

d)

They are the same distance

7.
The path that one object takes around another in space
a)
sunrise
b)
shadow
c)
orbit
8.
The imaginary line that passes north to south on the globe
a)
orbit
b)
axis
c)
revolve
9.
The spinning of a planet on its axis
a)
rotation
b)
revolution
c)
traveling
10.

Which motion causes day and night on Earth?

a)

Rotation

b)

Revolution

11.

Why does Earth stay in its orbit around the Sun?

a)

The gravitational pull of the Moon

b)

The gravitational pull of the Sun

c)

The gravitational pull of Venus

d)

The gravitational pull of the earth

12.
One complete rotation of the Earth on its axis takes:
a)
24 hours (one day)
b)
one year
c)
one hour
13.
One complete revolution of the Earth around the sun takes:
a)
24 hours
b)
one year
c)
one hour
14.

Approximately how long does it take Earth to complete one orbit around the Sun?

a)

4 days

b)

365 days (1 year)

c)

1 month

d)

2 years

15.
The sun appears to rise in the _______ and set in the ________
a)
west, east
b)
east, west
c)
north, south
16.
The time between sunset and sunrise 
a)
day 
b)
night
c)
year
17.
The time between sunrise and sunset 
a)
day
b)
night
c)
year
18.
In the morning, a shadow will be cast in which direction?
a)
north
b)
east
c)
west
19.
Imagine you were standing under a tree, where would the shadow of the tree be shortest?
a)
early morning
b)
noon
c)
late evening
20.
a)
rotation
b)
revolution
21.

The visible part of the Moon becomes larger

a)

Waxing

b)

waning

c)

New moon

d)

Crescent moon

22.

The visible part of the Moon becomes smaller

a)

full moon

b)

waxing

c)

waning

d)

crescent moon

23.

The daily rising and falling levels of the oceans and other large bodies of water

a)

oceans

b)

gravity

c)

lakes

d)

tides

24.

If the alignment is Earth - Moon - Sun, what phase of the moon will we see

a)

Gibbous

b)

Full Moon

c)

New Moon

d)

Crescent

25.

If there is a new moon tonight, for the next two weeks will the moon appear larger. This is called

a)

waxing

b)

waning

26.
How many days from a first quarter to a new moon?
a)
7
b)
14
c)
21
d)
28
27.

Which event is caused by the Moon passing through Earth’s shadow?

a)

Meteor shower

b)

Change of seasons

c)

Eclipse

d)

Earthquake

28.

Approximately how long does it take for the moon to complete one orbit around Earth?

a)

1 day

b)

1 week

c)

1 month

d)

1 year

29.

What is the energy source for the water cycle?

a)

sun

b)

wind

c)

rain

d)

oceans

30.

Condensation means...

a)

water vapor cooling to form clouds

b)

water running downhill

c)

water falling from the sky

d)

water heating up and rising as gas

31.

Evaporation means...

a)

water vapor cooling to form clouds

b)

water running downhill

c)

water falling from the sky

d)

water heating up and rising as gas

32.

Precipitation means...

a)

water vapor cooling to form clouds

b)

water running downhill

c)

water falling from the sky

d)

water heating up and rising as gas

33.
97% of the water on earth is _________, making it undrinkable for humans.
a)
fresh water
b)
ground water
c)
salt water
d)
surface water
34.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
35.
What is the hydrosphere?
a)
Water on the earth's surface
b)
Oceans of the Earth
c)
Rivers, oceans and lakes of the Earth
d)
None of the above
36.

Water soaking into the ground after precipitation occurs.

a)

condensation

b)

evaporation

c)

infilitration

d)

accumulation

37.

What percent of the Earth's freshwater is available for use by humans?

a)

25%

b)

10%

c)

3%

d)

<1%

38.

The amount of water on earth grows by _______ each year.

a)

0%

b)

5%

c)

15%

d)

25%

39.

Where is most of the fresh water on earth found?

a)

Under ground

b)

Glaciers and Ice Caps

c)

Rivers

d)

Lakes

40.
This sphere is composed of all the living things 
a)
Hydrosphere 
b)
Biosphere 
c)
Atmosphere 
d)
Geosphere 
41.
This sphere includes the continents, the ocean floor, all the rocks on the surface, and all of the sand in the deserts. 
a)
Hydrosphere 
b)
Biosphere 
c)
Atmosphere 
d)
Geosphere 
42.
Body of air surrounding our planet. 
a)
Hydrosphere 
b)
Biosphere 
c)
Atmosphere 
d)
Geosphere 
43.
Composed of all the water on or near the earth
a)
Hydrosphere 
b)
Biosphere 
c)
Atmosphere 
d)
Geosphere 
44.
Geo = 
a)
Earth
b)
Sphere
c)
Life
d)
Water
45.
Hydro = 
a)
Sphere
b)
Earth
c)
Life
d)
Water
46.
This is part of the....
a)
Geosphere
b)
Biosphere
c)
Hydrosphere
d)
Cryosphere
47.
This is part of the....
a)
Geosphere
b)
Atmosphere
c)
Hydrosphere
d)
Cryosphere
48.
This is part of the....
a)
Geosphere
b)
Atmosphere
c)
Cryosphere
d)
Hydrosphere
49.
Water evaporating from the surface of a lake moves from the...
a)
Atmosphere to the geosphere 
b)
Geosphere to the hydrosphere 
c)
Hydrosphere to the atmosphere 
d)
Atmosphere to the hydrosphere 
50.
When dead plants decompose and nitrogen is returned to the soil, the interaction is between which two spheres? 
a)
The biosphere and atmosphere 
b)
The atmosphere and geosphere 
c)
The geosphere and atmosphere 
d)
The biosphere and geosphere 
51.
When carbon dioxide dissolves from the air into the ocean- the interaction is between...
a)
The atmosphere and geosphere 
b)
The atmosphere and hydrosphere 
c)
The atmosphere and biosphere 
d)
The atmosphere and atmosphere 
52.
When a plants takes carbon dioxide from the air which two spheres are interacting? 
a)
Biosphere and atmosphere 
b)
Geosphere and atmosphere 
c)
Hydrosphere and atmosphere 
d)
Atmosphere and atmosphere 
53.
When volcanoes erupt, dust and ash particles spread through much of the air blocking the sun.  Which two spheres are interacting? 
a)
Hydrosphere and atmosphere 
b)
Geosphere and atmosphere 
c)
Biosphere and atmosphere 
d)
Atmosphere and atmosphere 
54.
Energy from the sun is stored by plants. When animals eat the plants, they acquire the energy originally captured by the plants. Between which two spheres is the above interaction? 
a)
Hydrosphere and biosphere 
b)
Atmosphere and biosphere 
c)
Biosphere and biosphere 
d)
Geosphere and biosphere 
55.
When plants draw nutrients from the soil, the interaction is between which two spheres? 
a)
The atmosphere and the geosphere 
b)
The geosphere and the hydrosphere 
c)
The hydrosphere and atmosphere 
d)
The biosphere and the geosphere 

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