Solar System

What type of star is our Sun?

• Red Giant Star

• Red Dwarf Star

• Yellow Dwarf Star

• Red Supergiant Star

Answer explanation

UY Scuti is the largest known star in the universe. 5 billion Suns could fit inside this star.

How hot is the surface of the Sun?

• 550 °C

• 1500 °C

• 5,500 °C

• 1,500,000 °C

Answer explanation

The Sun's surface is around 5,500 °C, but it's core is around 15,000,000 °C.

Tags

NGSS.MS-ESS1-3

NGSS.MS-PS1-4

Identify the planets shown in the image.

a

b

c

d

Jupiter

Mercury

Uranus

Saturn

Earth

Neptune

Mars

Venus

Answer explanation

The rocky planets are the smallest planets in our Solar System.

Tags

NGSS.MS-ESS1-3

Identify the planets shown in the image.

a

b

c

d

Venus

Neptune

Uranus

Saturn

Earth

Mars

Jupiter

Mercury

Answer explanation

Jupiter is so large, about 1300 Earths could fit inside of it.

Identify the rocky planets and the gas planets.

Groups:

(a) Rocky Planets

,

(b) Gas Planets

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• 
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• 
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Answer explanation

It takes Mercury only 88 days to orbit the Sun, while it takes Neptune 60,190 days (165 years) to orbit the Sun.

Which planet is the coldest in the Solar System?

• Jupiter

• Saturn

• Uranus

• Neptune

Answer explanation

A long time ago, something hit Uranus and knocked it sideways. This may have released some of its heat.

Which planet is the hottest in the Solar System?

• Mercury

• Venus

• Earth

• Mars

Answer explanation

Mercury has no atmosphere, but Venus has an atmosphere that traps heat from the Sun.

Where are these dwarf planets found?

Groups:

(a) Asteroid Belt

,

(b) Kuiper Belt

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Answer explanation

The Kuiper Belt is found beyond Neptune. Many comets come from the Kuiper Belt.

Tags

NGSS.MS-ESS1-3

Which planet has the most moons?

• Jupiter

• Saturn

• Uranus

• Neptune

Answer explanation

Saturn has at least 274 moons.

Jupiter has at least 95 moons.

Uranus has at least 27 moons.

Neptune has at least 14 moons.

What is this?

• Asteroid

• Comet

• Meteor

• UFO

Answer explanation

Comets can have 2 tails. One is caused by solids, and the other caused by gases.