Earth and its Neighbors

How many planets are in our solar system?

• 5

• 9

• 7

• 8

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CCSS.RI.3.1

What is at the center of the solar system?

• Mercury

• Mars

• Sun

• Earth

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CCSS.RI.3.1

CCSS.RI.3.2

What are dwarf planets?

• Dwarf planets are smaller than the eight main planets.

• Dwarf planets are bigger than the eight main planets.

• Dwarf planets are hotter than the eight main planets.

• Dwarf planets are colder than the eight main planets.

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CCSS.RI.3.1

CCSS.RI.3.2

What are the rocky planets and how are they different from the gas giants?

• Rocky planets are made mostly of water.

• Rocky planets are made mostly of solid rock while gas giants are mostly made of gas.

• Rocky planets are made mostly of gas.

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CCSS.RI.3.1

CCSS.RI.3.2

How big is Earth compared to the gas giant Jupiter?

•   Earth is the same size as Jupiter.

•   Earth is much bigger than Jupiter.

•   Earth is much smaller than Jupiter. More than 1,000 Earths could fit inside Jupiter.

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CCSS.RI.3.1

CCSS.RI.3.2

What is an orbit and how does it work?

• Each planet follows the same path. The path is called system.

• Each planet follows its own path around the Sun. The path is called an orbit.

• Each planet follows its own path around the Sun, and it's called Milky Way.

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CCSS.RI.3.1

CCSS.RI.3.2

CCSS.RI.3.4

How far is the Sun from Earth?

• The Sun is about 93 million miles (150 million km) away from Earth.

• The Sun is about 50 million km away from Earth.

• The Sun is about 3 million miles .

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CCSS.RI.3.1

How long does it take for Earth to orbit around the Sun?

• Earth takes a little more than 365 days to orbit the Sun.

• Earth takes a week to orbit the Sun.

• Earth takes a day to orbit the Sun.

• Earth takes a little more than an hour to orbit the Sun.

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CCSS.RI.3.1

How do planets rotate and what is an axis?

• Planets rotate by spinning around like a top. An axis is an imaginary story that explains the Solar System.

• Planets rotate by jumping around.

• Planets rotate by spinning around like a top. An axis is an imaginary line that runs through the center of the planet from top to bottom.

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CCSS.RI.3.1

CCSS.RI.3.2

CCSS.RI.3.4

How long does it take for Earth to complete one full rotation?

• Earth rotates all the way around in 48 hours. That's exactly two days.

• Earth rotates all the way around in 3 hours.

• Earth rotates all the way around in 12 hours. That's half a day.

• Earth rotates all the way around in 24 hours. That's exactly one day.

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CCSS.RI.3.1

CCSS.RI.3.2