Planets and Space Rocks

How many known planets are in our solar system?

• 4

• 7

• 8

• 9

Tags

NGSS.MS-ESS1-3

Because Pluto has not cleared its orbital path of debris, it was reclassified from a planet to a . . .

• asteroid.

• meteor.

• moon.

• dwarf planet.

Which planet is the brightest planet?

• Mars

• Saturn

• Venus

• Jupiter

How many asteroids have been discovered to date?

• 450

• thousands

• tens of thousands

• hundreds of thousands

Check all the following statements that are TRUE

• Asteroids are made of rock and metal

• Comets are made of ice, rock, and dust

• Comets can be found in the Oort Cloud

• All the above

Tags

NGSS.MS-ESS1-3

Asteroids can range in size from 1 meter to 1000Km

• TRUE

• FALSE

Tags

NGSS.MS-ESS1-3

A meteoroid is found

• in Space

• entering earths atmosphere

• impacting earths surface

What creates a bowl shaped hole known as a crater

• meteor

• meteorite

• meteoroid

A high frequency of meteors entering Earth's atmosphere is called a

• meteor shower

• Constellation

Made of ice, dust and gas

• asteroid

• meteoroid

• comet

• meteor