wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Astronomy Unit Review

Total questions: 76

Worksheet time: 13hrs 40mins

Name
Class
Date
1.

The sun is an example of a _________.

a)

planet

b)

meteorite

c)

star

d)

comet

2.

Get out your ESRT. Use the Characteristics of Stars Chart at the top of pg. 15 for questions 2-5. What color stars are the hottest?

a)

red

b)

yellow

c)

white

d)

blue

3.

Which star is about 3000 degrees Kelvin and 100,000 times brighter than the Sun. *You must spell it correctly!

(a)  

4.

Which star has a higher luminosity and a lower surface temperature than the Sun?

a)

Rigel

b)

Barnard’s Star

c)

Alpha Centauri

d)

Aldebaran

5.

Which table below correctly contrasts the temperature and luminosity of each star with our Sun?

a)
b)
c)
d)
6.

Which of the following is the correct order from smallest to the largest?

a)

universe, solar system, galaxy

b)

galaxy, solar system, universe

c)

solar system, universe, galaxy

d)

solar system, galaxy, universe

7.

What is the correct placement of the objects in our solar system?

a)

The sun revolves around the planets and the moons rotate around the sun

b)

The planets revolve around the sun and the moons revolve around the planets.

8.

The object at the center of our solar system.

a)

Sun

b)

moon

c)

orbit

d)

axis

9.

A galaxy is a collection of

a)

planets

b)

moons

c)

millions or billions of stars

10.

The galaxy we are a part of is called:

a)

Milky Way

b)

Andromeda

c)

Whirlpool

d)

Sombrero

11.
Explain why the sun and moon appear to be the same size even though the sun is much larger.
a)
The sun appears smaller next to the larger moon.
b)
The moon is closer to the Earth than the sun.
c)
The moon revolves faster than the earth.
d)
The sun and the moon are the same distance from Earth.
12.

Which group of planets are referred to as "terrestrial"?

a)

Mercury, Venus, Earth, Mars

b)

Jupiter, Saturn, Uranus, Neptune

13.

Which group of planets are referred to as "jovian"?

a)

Mercury, Venus, Earth, Mars

b)

Jupiter, Saturn, Uranus, Neptune

14.

Which group of planets are closer to the Sun, smaller, and have higher densities?

a)

Terrestrial

b)

Jovian

15.

Which planets are larger, have a longer periods of revolution, and are gaseous?

a)

Terrestrial

b)

Jovian

16.

As distance from the Sun increases, period of revolution___________________

a)

increases.

b)

decreases.

c)

remains the same.

17.

What motion causes us to experience day and night?

a)

Rotation

b)

Revolution

18.

Which planet has a mass approximately 17 times the mass of Earth?

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

19.

Where is our solar system located in the Milky Way galaxy?

a)

Right in the exact center

b)

just outside

c)

on an arm- the orion arm (orion spur)

20.

Which of the following objects is the biggest?

a)

Galaxy

b)

Star

c)

Planet

d)

Solar system

21.

Which of the following objects is the biggest?

a)

Star

b)

Solar system

c)

Planet

d)

moon

22.

Use the ESRT Electromagnetic Spectrum table at the bottom of pg. 14 for questions 22-26 Which electromagnetic wave has the shortest wavelength and the highest frequency?

a)

Gamma Rays

b)

Ultraviolet Rays

c)

Radio Waves

d)

X Rays

23.

Which electromagnetic wave has the longest wavelength and lowest frequency?

a)

Microwaves

b)

Ultraviolet Rays

c)

Infrared Waves

d)

Radio Waves

24.

What happens to wavelength as the frequency of a wave increases?

a)

increase

b)

stays the same

c)

decreases

d)

becomes faster

25.

X-rays have a _____wavelength than gamma rays.

a)

longer

b)

shorter

26.

Ultraviolet has a _____wavelength than infrared.

a)

longer

b)

shorter

27.

What does the Big Bang theory suggest?

a)

The universe was accidently dropped by a stork, burst open, and released all the matter of the universe.

b)

the universe only exists because it's observed

c)

The universe is expanding

d)

The universe is collapsing

28.

Which statement is true?

a)

Galaxies are moving toward us.

b)

Galaxies are moving away from us.

c)

The universe is stationary.

d)

None of the above

29.

Is the object moving toward or away from Observer A

a)

toward

b)

away

30.

Is the object moving toward or away from Observer B

a)

toward

b)

away

31.

A shift to the red end of the visible spectrum from an object emitting light means the object is

a)

moving toward Earth

b)

moving away from Earth

c)

not moving

32.

RED shifted light has a

a)

shorter wavelengths

b)

longer wavelengths

33.

BLUE shifted light has a

a)

shorter wavelengths

b)

longer wavelengths

34.

Study the spectrum in the picture. "Expected" is the spectrum here on Earth. The stars Vega and Sirius are.....

a)

both moving away from us.

b)

both moving towards us.

c)

Vega is moving toward Earth and Sirius is moving away from Earth

d)

Vega is moving away from Earth and Sirius is moving toward Earth.

35.

Study the picture and look at the North Pole axis. What season is it in the Northern Hemisphere?

a)

Summer

b)

Winter

c)

Spring

d)

Fall

36.

Study the picture. Look at the tilt of the North Pole axis. What season is it in the Northern Hemisphere?

a)

Winter

b)

Spring

c)

Summer

d)

Fall

37.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
38.
As the distance between 2 objects increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
39.
The more mass that two objects have, ___
a)
the greater the force is between them
b)
the lesser the force is between them
c)
the greater the tension is between them
d)
the lesser the tension is between them
40.
Compared to that of the Earth, the escape velocity you need to take off from the moon is ___
a)
a lot more
b)
slightly more
c)
slightly less
d)
a lot less
41.

The motion of a planet spinning (producing day and night) is called....

a)

orbit

b)

rotation

c)

revolution

d)

tide

42.
How long does it take the Earth to make one REVOLUTION around the Sun?
a)
12 hours
b)
24 hours
c)
365 days
d)
29.5 days
43.

The motion of a planet around the Sun (producing seasons)...

a)

Revolution

b)

Rotation

c)

Period of Revolution

d)

Period of Rotation

44.

At which location is the planet traveling fastest?

a)

A

b)

B

45.

At which location is the planet traveling slowest?

a)

A

b)

B

46.

Which location shows perihelion?

a)

A

b)

B

47.

Which location shows aphelion?

a)

A

b)

B

48.

At which location will the Sun appear slightly smaller?

a)

A

b)

B

49.

At which location will the Sun appear slightly larger?

a)

A

b)

B

50.

As the distance of a planet from the Sun increases, it's orbital velocity____.

a)

increases (travels faster)

b)

decreases (travels slower)

51.

The time it takes Earth to travel from C to D is___________ the time it takes Earth to travel from A to B.

a)

shorter than

b)

longer than

c)

equal to

52.

Indicate which of Kepler's Three Laws of Planetary Motion is shown.

a)

Orbits are elliptical and the Sun is located at one focus.

b)

An object orbiting another object sweeps over equal areas of an ellipse in equal amounts of time.

c)

There is a proportional relation between a planet's period of revolution and its distance from the Sun.

53.

Indicate which of Kepler's Three Laws of Planetary Motion is shown.

a)

Orbits are elliptical and the Sun is located at one focus.

b)

An object orbiting another object sweeps over equal areas of an ellipse in equal amounts of time.

c)

There is a proportional relation between a planet's period of revolution and its distance from the Sun.

54.

A planet's orbit is always elliptical. Calculate the eccentricity for the following planet's orbit. Given: Distance between F1 and F2 is 4.5 and the length of the major axis is 12 No units, no rounding!

(a)  

55.

Indicate which of Kepler's Three Laws of Planetary Motion is shown.

a)

Orbits are elliptical and the Sun is located at one focus.

b)

An object orbiting another object sweeps over equal areas of an ellipse in equal amounts of time.

c)

There is a proportional relation between a planet's period of revolution and its distance from the Sun.

56.

The moon ____________ around the Earth.

a)

revolves

b)

rotates

c)

up

d)

down

57.

At any given time, how much of the moon's total surface is illuminated by the Sun?

a)

half

b)

a quarter

c)

an eighth

d)

full

58.

Why does the moon shine?

a)

it has its own light

b)

it reflects Earth's light

c)

it reflects the Sun's light

59.

Which NASA missions brought humans to the moon?

a)

Hubble

b)

Mercury

c)

Apollo

d)

Voyager

60.

What would we see from Earth when the moon is in position 1 ?

a)
b)
c)
d)
61.

What would we see from Earth when the moon is in position 2 ?

a)
b)
c)
d)
62.

What would we see from Earth when the moon is in position 3 ?

a)
b)
c)
d)
63.

What would we see from Earth when the moon is in position 4 ?

a)
b)
c)
d)
64.

What would we see from Earth when the moon is in position 5 ?

a)
b)
c)
d)
65.

What would we see from Earth when the moon is in position 6 ?

a)
b)
c)
d)
66.

What would we see from Earth when the moon is in position 7 ?

a)
b)
c)
d)
67.

What would we see from Earth when the moon is in position 8 ?

a)
b)
c)
d)
68.
What causes tides?
a)
gravity
b)
wind
c)
spring
d)
neap
69.
Why does the moon's gravitational pull have more of effect on tides than the sun's gravitational pull?
a)
they are the same
b)
the moon is larger than the sun
c)
tides are not caused by the moon
d)
the moon is closer to the Earth than the sun
70.

In which TWO positions do Neap Tides occur? Hint: Neap tides do not have as dramatic a change High and Low tide. The pull of gravity is weaker.

a)

1

b)

3

c)

5

d)

7

71.

In which TWO positions do Spring Tides occur? Hint: Spring tides have a very dramatic change in High and Low tide. The pull of gravity is strong.

a)

1

b)

3

c)

5

d)

7

72.
a)
b)
c)
d)
73.

Rochester, NY will be in the zone for a Total Solar Eclipse on

a)

June 16, 2022

b)

April 8, 2024

c)

August 3, 2023

d)

September 9, 2021

74.

Eclipses do not occur every month because the Moon's

a)

orbit is inclined to Earth's orbit

b)

period of revolution is 27.3 days

c)

period of rotation and period of revolution are the same

d)

rate of rotation is 15º each hour

75.

What type of eclipse is shown?

a)

Lunar Eclipse

b)

Solar Eclipse

76.

What type of eclipse is shown?

a)

Lunar Eclipse

b)

Solar Eclipse