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Discovering the Universe

Total questions: 40

Worksheet time: 3hrs 20mins

Name
Class
Date
1.
Which planet in our solar system is closest to the Sun?
a)
Earth
b)
Jupiter
c)
Mercury
d)
Saturn
2.

Which of the following is an accurate model of how the Sun, Earth, and Moon move?

a)

Sun and moon orbit Earth

b)

Earth and moon orbit Sun

c)

Earth orbits the Sun and the moon orbits Earth

d)

Earth and sun orbit moon

3.
Earth and the other planets closest to the Sun are made mostly of _______
a)
gas
b)
metal
c)
water
d)
rock
4.
Which is the largest object in our solar system?
a)
Sun
b)
Jupiter
c)
Earth
d)
Pluto
5.
A ball of ice and dust with a tail of gas and dust pointing away from the sun.
a)
Asteroid
b)
Comet
c)
Moon
d)
Meteor
6.
Which is the second closest planet to the sun?
a)
Earth
b)
Saturn
c)
Venus
d)
Mercury
7.
Which planet is third from the sun?
a)
Mars
b)
Pluto
c)
Venus
d)
Earth
8.

Which planet is NOT one of the

"Gas Giants"?

a)

Uranus

b)

Venus

c)

Neptune

d)

Saturn

9.

What is the largest planet in

our solar system?

a)

Neptune

b)

Jupiter

c)

Uranus

d)

Mars

10.
Select the order from smallest to largest.
a)
Sun, Milky Way, solar system, universe
b)
Sun, Milky Way, universe, solar system
c)
Sun, solar system, Milky Way, universe
d)
Sun, solar system, universe, Milky Way
11.
Day and night is caused by the _____________ of earth on its axis.
a)
revolution
b)
orbit
c)
rotation
12.

This table shows the rotation period and revolution period for 6 planets, and Earth’s moon, all relative to Earth’s periods. Which 2 planets have shorter days than Earth?

a)

Jupiter and Saturn

b)

Venus and Mercury

c)

Mars and Jupiter

d)

Saturn and Moon

13.

a small rocky body orbiting the sun, ranging from the size of a small house to dust particles

a)

nebula

b)

terrestrial planets

c)

collision

d)

asteroids

14.

Which is NOT a rocky planet?

a)

Earth

b)

Neptune

c)

Mercury

d)

Mars

15.

The asteroid belt is found between

a)

The Sun and Mercury

b)

Neptune and Uranus

c)

Venus and Earth

d)

Mars and Jupiter

16.

Which is true about Mercury, Venus, Earth, and Mars

a)

they all have an atmosphere

b)

they all have many moons

c)

they all have rings made of rocks and ice

d)

they all have a rocky surface

17.

Which two gases are the main components of the Sun?

a)

carbon dioxide & sulfuric acid

b)

nitrogen & oxygen

c)

helium & hydrogen

d)

methane & helium

18.

This is the first planet from the Sun; it is very hot in the day and very cold in the night.

a)

Mercury

b)

Neptune

c)

Earth

d)

Jupiter

19.

The sixth planet from the Sun; known for its large rings.

a)

Saturn

b)

Mercury

c)

Earth

d)

Mars

20.
Which planet is red because of iron oxide or rust?
a)
Venus
b)
Mars
c)
Jupiter
d)
Saturn
21.

What theory is nowadays the most accepted to explain the origin of the universe?

a)
Big Bang Theory
b)
Copernican Theory
c)
Ptolemain Theory
d)
Galilean Theory
22.
Where is our solar system located in the Milky Way
a)
At the center
b)
Near the center
c)
On a spiral arm
d)
Outside the galaxy
23.
Venus is called Earth's twin because they are about the same size
a)
True 
b)
False
24.
There is one star in our solar system.
a)
True
b)
False
25.

In the Hertzsprung–Russell diagram, what happens as we move to the left?

a)
Stars get larger
b)
Stars get colder
c)
Stars get hotter
d)
Stars get smaller
26.
Which of the following is hottest? 
a)
a red giant superstar
b)
a small, white dwarf
c)
a main-sequence yellow star
d)
a main-sequence blue star
27.

The process ocurring in the Sun's core that release an extremely large amount of energy is...

a)

Combustion of Oxygen

b)

Combustion of Hydrogen and Helium

c)

Fusion of Hydrogen

d)

Fusion of Helyum

28.
What is the name of the explosion at the death of a massive star?
a)
Supergiant
b)
Supernova
c)
Black Hole
d)
Nebula
29.
What is the name of the gas/dust clouds that form stars?
a)
Nebulas
b)
Protostars 
c)
Supernova
d)
Neutron Star
30.
What color of star is the coolest?
a)
Red
b)
Yellow
c)
Blue
d)
White
31.
What is the name of the largest stars?
a)
Protostars
b)
Supergiants
c)
Red Giants
d)
Dwarf Stars
32.
What color of star is the hottest?
a)
Blue
b)
Red
c)
Yellow
d)
Orange
33.

What will be the next stage in the Sun's life cycle?

a)

supernova

b)

white dwarf

c)

blackhole

d)

red giant

34.

Our galaxy is called...

a)
Earth Nebula
b)
The Hubble Galaxy
c)
The Milky Way
d)
The Snickers
35.
A ________ is an object so dense with so much gravity that even light cannot escape.
a)
neutron star
b)
white dwarf
c)
blackhole
d)
black dwarf
36.
The H-R diagram is a graph that shows the relationship between ______________ for stars. 
a)
temperature and color
b)
temperature and brightness
c)

brightness and size

d)
distance and brightness
37.

Which of the following statements best describes a galaxy?

a)

A system of planets with an elliptical orbit

b)

A giant nuclear reactor held together by gravity

c)

A cloud that produces stars

d)

A system of gas, dust and billions of stars held together by gravity

38.

The life cycle of a star is determined by its...

a)
mass (size)
b)
color
c)
distance from Earth
d)
luminosity
39.
______ is a force that causes dust particles to stick together in a nebula.
a)
nuclear fusion
b)
gravity
c)
hydrogen
d)
friction
40.
What happens when the area in which you live tilts away from the sun?
a)
It is summer.
b)
It is spring.
c)
It is winter.
d)
It is fall.

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