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Astronomy Unit Review

Total questions: 60

Worksheet time: 47mins

Name
Class
Date
1.

What is the name of this model?

a)

Heliocentric Model

b)

Geocentric Model

c)

Circle Model

d)

Aristotle Model

2.

Which model is this?

a)

Heliocentric

b)

Geocentric

3.

Which of the models is widely accepted today?

a)

Heliocentric

b)

Geocentric

4.

What is the biggest difference between the Geocentric Model and the Heliocentric Model?

a)

the shape of the planets' orbits

b)

the movement of the moon

c)

the object at the center of the universe

d)

the brightness of the sun

5.

Which of these can change when new evidence is presented?

a)

theory

b)

law

6.

A piece of _________ is an observation that supports an idea or conclusion.

a)

evidence

b)

force

c)

observation

d)

habitat

7.

A theory that says the universe began as a small point that expanded rapidly about 13.7 billion years ago.

a)

Big Bang Theory

b)

Singularity Theory

c)

Galaxy Theory

8.

A large grouping of stars, planets, gas, and dust in space held together by gravity.

a)

Universe

b)

Galaxy

c)

Space

9.

What Galaxy is Earth located?

a)

Andromeda

b)

Milky Way

c)

Sagittarius

d)

Snickers

10.
What are galaxies held together by?
a)
Gravitational Attraction
b)
Stars
c)
Other galaxies
d)
Dust and Gas
11.
What are the the 3 types of galaxies?
a)
Spiral Galaxies, Regular Galaxies, and Lliptical Galaxies
b)
Spiral Galaxies, Irregular Galaxies, and Elliptical Galaxies
c)
 Milky Way, Elliptical Galaxies, and Spiral Galaxies
d)
Milky Way, Elliptical Galaxies, and Irregular Galaxies
12.
What were the original two elements in our universe?
a)
Lithium and Carbon
b)
Hydrogen and Neon
c)
Helium and Chlorine
d)
Hydrogen and Helium
13.
What does the Big Bang theory suggest?
a)
The universe was just there
b)
The Milky Way is the only solar system
c)
The universe is continually expanding
d)
The universe is collapsing in toward a single point
14.

How is a theory different from a guess? Choose the best answer.

a)

a theory cannot be disproven; a guess can be

b)

a theory is backed up by hard evidence; a guess is not

c)

a theory is agreed upon by scientists; a guess is only agreed upon by laypeople

d)

a theory is usually very old; a guess is usually very new

15.

The measurement of the distance from the Earth to the Sun is called an ________________________.

a)

Astronomical Unit

b)

Light Year

c)

Solar Mile

d)

Parsec

16.

Which planet is the largest planet in our solar system

a)

Jupiter

b)

Saturn

c)

Mars

d)

Earth

17.

Where is the asteroid belt located?

a)

between Earth and Mars

b)

between Jupiter and Saturn

c)

between Mars and Mercury

d)

between Mars and Jupiter

18.

Which planet is the only planet to spin on its side?

a)

Earth

b)

Jupiter

c)

Neptune

d)

Uranus

19.
What is a common characteristic of the inner planets?
a)
Large
b)
Gaseous
c)
Rings
d)
Rocky Surface
20.

Which of the following best describes the outer planets? Click all the apply

a)

Very large

b)

Made of liquids and gases

c)

Smaller

d)

Further apart

21.

Which planet is known as the "red planet"?

a)

Venus

b)

Mercury

c)

Earth

d)

Mars

22.

Dry, rocky planet covered in toxic clouds

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

23.

What is the correct order of the planets starting from the sun

a)

mars, venus, mercury, earth

b)

venus, mercury, earth, mars

c)

mercury, venus, earth, mars

d)

mercury, earth, venus, mars

24.

The force that causes objects with mass to attract one another.

a)

Weight

b)

Gravity

c)

Mass

d)

Magnetism

25.

Why do planets orbit the Sun?

a)

The Sun is the only celestial object that has a gravitational pull.

b)

The Sun’s chemical composition makes it attract planets.

c)

Only celestial bodies that emit light, like the Sun, can be at the center of an orbit.

d)

The Sun is the most massive object in our solar system, so it exerts the greatest gravitational pull.

26.

The gravitational attraction between two objects would increase if both masses are –

a)

increased, and the distance between them is increased.

b)

increased, and the distance between them is decreased.

c)

decreased, and the distance between them is decreased.

d)

decreased, and the distance between them is increased.

27.

Gravity can be defined as the –

a)

force of attraction between two or more masses.

b)

friction created when two objects are in contact.

c)

energy given off by stars due to nuclear reactions.

d)

path an object follows as it moves through space.

28.

What dwarf planet was downgraded from planetary status in 2006?

a)

Mercury

b)

Uranus

c)

Neptune

d)

Pluto

29.

______ and ______ are two factors that influence in gravity

a)

distance and speed

b)

size and distance

c)

mass (weight) and speed

d)

mass (weight) and distance

30.
Sometimes I am called a "dirty snowball". I have a hydrogen cloud, coma, and a nucleus. I am invisible except when near the sun. What am I?
a)
Asteroid
b)
Star
c)
Meteor
d)
Comet
31.

Which is found in the belt between Mars and Jupiter

a)

Comets

b)

Asteroids

c)

Meteors

d)

Stars

32.

I am a rock entering a planet's atmosphere.

a)

meteor

b)

moon

c)

asteroid

d)

comet

33.

A meteor when it burns in the atmosphere is also known as a ____.

a)

rock

b)

shooting star

c)

ball of ice

34.
Meteorites...
a)
 hit the ground
b)
burn up completely in the atmosphere
c)
debris from asteroids/comets that float around in space
35.

A meteoroid is found

a)

in Space

b)

entering earths atmosphere

c)

impacting earths surface

36.
Which movement of Earth causes day and night?
a)
rotation
b)
revolution
37.
What are the reasons for the season?
a)
Earth's tilt & rotation
b)
Earth's tilt & revolution
c)
Earth's rotation & rovolution
d)
Earth's tilt & resolution
38.

What is the movement of an object around another object?

a)

Revolution

b)

Rotation

c)

Seasons

39.

What is the Part of the Earth's Surface where Sunlight hits directly and doesn't experience seasons?

a)

North Pole

b)

Equator

c)

South Pole

40.

What an event which the unequal duration between day and night is greatest?

a)

Solstice

b)

Equinox

c)

Seasonal Transition

41.

What event that stands for the day on which the duration of day and night is equal?

a)

Solstice

b)

Equinox

c)

Seasonal Transition

42.

What Season is letter A?

a)

Summer

b)

Spring

c)

Fall

d)

Winter

43.
What is the longest day of the year?
a)
winter solstice
b)
summer solstice
c)
fall equinox
d)
spring equinox
44.

What season is it in the northern hemisphere?

a)

Fall

b)

Winter

c)

Spring

d)

Summer

45.

What season is it in the southern hemisphere?

a)

Fall

b)

Winter

c)

Spring

d)

Summer

46.

In position 2 what season is it in the northern hemisphere?

a)

Summer

b)

Spring

c)

Winter

d)

Fall

47.

In position 4 what season is it in the southern hemisphere?

a)

Summer

b)

Spring

c)

Winter

d)

Fall

48.

Identify this phase of the moon

a)

new moon

b)

full moon

c)

waxing crescent

d)

third quarter

49.

Identify the phase of the moon that is shown

a)

new moon

b)

first quarter

c)

waning gibbous

d)

third quarter

50.

7. Identify the phase of the moon that is shown

a)

new moon

b)

waxing crescent

c)

full moon

d)

waning crescent

51.

What moon phase comes after this?

a)
b)
c)
d)
52.
A solar eclipse only happens during a ________ moon.
a)
New
b)
Cresent
c)
Gibbous
d)
Full
53.
A lunar eclipse only happens during a ________ moon.
a)
New
b)
Cresent
c)
Gibbous
d)
Full
54.
During a solar eclipse...
a)
The sun is blocked by the moon
b)
The Earth is blocked moon
c)
The moon is blocked by the sun
d)
You are blocked
55.
Which type of eclipse is shown in this picture?
a)
Solar Eclipse
b)
Orbit
c)
Lunar Eclipse
d)
Total Eclipse
56.
Which type of eclipse is shown in the diagram?
a)
Solar Eclipse
b)
Lunar Eclipse
c)
Total Eclipse
d)
Partial Eclipse
57.

You are less likely to see a total solar eclipse than a total lunar eclipse because...

a)

new moon phases occur less often than full moon phases

b)

only people on the daytime side of Earth can see a solar eclipse

c)

the moon's shadow covers all of Earth during a solar eclipse

d)

the moon's umbra only covers a small area on Earth's surface

58.
Which of the following is NOT true about a total solar eclipse?
a)
It can be viewed from every spot on earth
b)
It is dangerous to look at without the proper device
c)
When it happens, the moon blocks all of the sun except the corona
d)
You must be within the moon's umbra to see it
59.
What is the darkest inner part of the shadow cone called, where a total eclipse can be viewed.
a)
Total
b)
Umbra
c)
Penumbra
60.
What is the larger outer lighter part of the shadow cone called, where a partial eclipse can be viewed?
a)
Partial
b)
Umbra
c)
Penumbra