Science Kids: Earth and Our Solar System

A galaxy contains which of the following?

• planets

• stars

• gas

• all of the above

Tags

NGSS.MS-ESS1-2

What do we call scientists who study the solar system?

• physists

• astronomers

• chemists

• biologists

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

How old is the Milky Way?

• Less than 1 million years old

• About 2 million years old

• Between 12-14 billion years old

• More than 50 billion years old

How many planets are in our solar system?

• 5

• 6

• 7

• 8

What do we call the curved path of an object around a point in space?

• orbit

• circumference

• arc

• diameter

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What type of gas is present on the sun?

• hydrogen

• helium

• methane

• hydrogen and helium

What is the smallest planet in our solar system?

• Mercury

• Saturn

• Earth

• Mars

Tags

NGSS.MS-ESS1-3

What is the nickname that is sometimes given to Venus?

• Hot Mass

• Earth's sister

• Mercury's sister

• The blue planet

How long does it take Earth to orbit the Sun?

• 24 hours

• 30 days

• 180 days

• 365 days

How much of Earth is covered by water?

• 15%

• 45%

• 70%

• 92%

Tags

NGSS.MS-ESS2-4