Ticket A

99 percent of the solar system’s mass is in the what.

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Ticket A

What is the Sun?

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Ticket B

In comparison to other stars’ sizes, the Sun is about a(n) _________ star.

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Ticket B

What is an average star?

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Ticket C

These two gases make up most of the Sun.

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Ticket C

What is hydrogen and helium?

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Ticket D

A planet and four of its moons are shown.

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Ticket D

What is Jupiter?

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Ticket E

An object in the solar system is shown.

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Ticket E

What is a comet?

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Ticket F

This force holds the planets in their orbits.

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Ticket F

What is a gravitational force?

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Ticket G

This shape describes the paths that planets follow.

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Ticket G

What is an ellipse?

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Ticket H

The object has the most gravity.

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Ticket H

What is the Sun?

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Ticket I

This changes in 11 year cycles.

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Ticket I

What is the number of sunspots on the Sun?

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Ticket J

An astronaut in orbit around Earth experience this because they are in free fall.

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Ticket J

What is weightlessness?

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Ticket K

This planet completes an orbit around the Sun in less time than Earth does.

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Ticket K

What is Mercury?

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Ticket L

This planet has polar ice caps.

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Ticket L

What is Mars?

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Ticket M

The asteroid belt is located where in the solar system.

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Ticket M

What is between the orbits of Mars and Jupiter.

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Ticket N

This is the largest object in the solar system.

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Ticket N

What is the Sun.

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Ticket O

This planet is most like Earth.

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Ticket O

What is Mars

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Ticket P

This is the shape that describes the paths that planets follow.

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Ticket P

What is an ellipse?

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Ticket Q

This object has the most gravity.

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Ticket Q

What is the Sun?

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Ticket R

This changes in 11 year cycles.

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Ticket R

What are the number of sunspots on the Sun?

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Ticket S

This is made of the Sun and its planets, along with many moons, asteroids, and comets.

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Ticket S

What is the Solar System?

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Ticket T

This is a large, round object that moves around a star, such as the Sun.

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Ticket T

What is a planet?

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Ticket U

This term describes a shape like an oval.

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Ticket U

What is an ellipse?

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Ticket V

This object orbits another object in space?

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Ticket V

What is a satellite?

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Ticket W

This planet is the closest planet to the Sun.

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Ticket W

What is Mercury?

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Ticket X

This planet is the solar system’s largest rocky planet.

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Ticket X

What is Earth?

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Ticket Y

This is the second closest planet to the Sun.

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Ticket Y

What is Venus?

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Ticket Z

This planet is known as the “Red Planet.”

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Ticket Z

What is Mars?

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Ticket 1

Mercury is covered with thousands of ______, similar to our Moon.

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Ticket 1

What are craters?

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Ticket 2

This inner planet has an atmosphere of thick, swirling clouds.

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Ticket 2

What is Venus?

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Ticket 3

This planet has lots of liquid water on its surface.

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Ticket 3

What is Earth?

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Ticket 4

The atmosphere of this planet has enough oxygen to support plant or animal life.

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Ticket 4

What is Earth?

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Ticket 5

This planet has many well-developed rings.

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Ticket 5

What is Saturn?

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Ticket 6

This is the name of the seventh planet from the Sun.

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Ticket 6

What is Uranus?

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Ticket 7

This is the largest planet in the solar system.

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Ticket 7

What is Jupiter?

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Ticket 8

This planet is the smallest of the gas giants.

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Ticket 8

What is Neptune?

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Ticket 9

This inner planet has a red, dusty surface.

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Ticket 9

What is Mars?

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