Chapter 18

What keeps planet moving in circular paths instead of straight lines?

• gravity

• solar system

• meteorites

• asteroids

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the study of objects in space called?

• physics

• astrology

• astromony

• biology

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

What is the 1st planet from the sun?

• Mars

• Mercury

• Earth

• Venus

Which inner planet has 2 moons and has soil rich in iron?

• Mercury

• Venus

• Mars

• Pluto

What separates the inner and outer planets?

• Moons

• Orions Belt

• The Milky Way

• Asteroid Belt

Why does Mercury's temperature get very hot during the day and then very cold at night?

• Mercury is farther from the sun at night

• Mercury is tilted on its side

• Mercury has a thick atmosphere that holds in the temperature

• Mercury has no atmosphere to hold in the temperature

Tags

NGSS.MS-PS3-4

Which planet is the 2nd from the Sun?

• Mars

• Venus

• Mercury

• Earth

Which planet has the greatest number of known moons?

• Pluto

• Saturn

• Uranus

• Earth

What makes Earth able to sustain life?

• liquid water and carbon dioxide

• Carbon dioxide and the atmosphere

• the atmosphere and liquid water

• liquid water and nitrogen

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The Sun, planets, moons, and other objects are all part of the?

• universe

• solar system

• asteroid belt

• galaxy

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3