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S-E-M System

Total questions: 25

Worksheet time: 16mins

Name
Class
Date
1.

It takes how many days for the Earth to rotate on its axis?

a)

365 days

b)

29 days

c)

1 day

d)

12 hours

2.

When it is Summer in the Northern Hemisphere, what season is it in the Southern Hemisphere?

a)

Winter

b)

Summer

c)

Spring

d)

Fall

3.

What type of Eclipse is shown?

a)

Lunar Eclipse

b)

Total Eclipse of the Heart

c)

Solar Eclipse

d)

Eclipse gum

4.

What is gravity responsible for (select all correct answers)

a)

Planets orbiting stars

b)

Being able to sit in your chair and not float away

c)

Lunar eclipses casting a shadow onto the Earth

d)

Satellites orbiting Earth

5.

The phase of the moon you see depends on

a)

How bright the sun is

b)

How much of the moon's surface is lit by the sun

c)

How much of the sunlit side of the moon faces Earth

6.

Winter solstice in the Northern Hemisphere is the (only 1 answer)

a)

Longest day of the year

b)

Shortest day of the year

c)

Hottest day of the year

d)

Coldest day of the year

7.
The Milky Way Galaxy is a 
a)
spiral
b)
lenticular
c)
elliptical 
d)
irregular
8.
It takes Earth _____________ to make one revolution or orbit around the Sun.
a)
365 days
b)
365 hours
c)
28 days
d)
24 hours
9.
To increase or get bigger.
a)
Waxing
b)
Waning
10.

One complete revolution of Earth around the sun takes about one _____________.

a)

year

b)

month

c)

day

d)

week

11.

What are the dates that mark the beginning of spring and fall called?

a)

solstices

b)

tides

c)

equinoxes

d)

constellations

12.
The star at the center of our solar system.
a)
Sun
b)
moon
c)
orbit
d)
axis
13.

Galileo found that much of the moon's surface is covered in round pits called ______________.

a)

mountains

b)

highlands

c)

marias

d)

craters

14.

The moon appears to be cut in half during which phases?

a)

full moon

b)

first and third quarter

c)

waxing crescent and gibbons

d)

waning crescent and gibbons

15.

Earth has seasons because ______________________.

a)

it rotates on its axis.

b)

the distance between the Earth and Sun changes.

c)

its axis is tilted as it moves around the sun.

d)

of the temperature of the sun.

16.
Which action causes day to turn to night?
a)
The moon casts a shadow.
b)
The moon orbits earth.
c)
Earth orbits the sun.
d)
Earth rotates on its axis
17.
The sun appears to move across the sky each day because
a)
the moon orbits Earth
b)
the sun orbits Earth
c)
the moon rotates on its axis.
d)
Earth rotates on its axis.
18.

the average distance between the Earth and the sun, roughly 150 million km (93 million miles)

a)

light year

b)

moon phase

c)

astronomical unit (A.U.)

d)

planet to sun

19.

All of space and everything in it

a)

galaxy

b)

solar system

c)

Milky Way

d)

universe

20.

The path of an object as it revolves around another object in space

a)

circle

b)

rotation

c)

orbit

d)

revolution

21.

an artificial body placed in orbit around the earth, moon or another planet in order to collect information or for communication

a)

moon

b)

planet

c)

satellite

d)

comet

22.

This is the imaginary line running through the center of Earth. The Earth tilts on its ________.

a)

axis

b)

moon

c)

constellation

d)

orbit

23.

The sun and everything that revolves around it is the ______.

a)

solar system

b)

galaxy

c)

universe

d)

rotation

24.
The rotation of Earth on its axis causes the pattern of _____.
a)
night and day
b)
constellations
c)
Earth's seasons
d)
the phases of the moon
25.
How are stars DIFFERENT from planets?
a)
Stars are solid and rocky.
b)
Stars are made of frozen gases.
c)
Stars do not move.
d)
Stars revolve around the Sun.