Solar System Models and Formation

What solar system models places the Sun at the center? 

• Geocentric Model

• Heliocentric Model

• Ptolemy Model

• Artistotle Model

Where did the materials used to create planets in our solar system come from? 

• clumps of rocky material between the stars

• the same cloud of gas as our sun

• they flung out of our young sun

• gas cloud in the orion nebula

Tags

NGSS.HS-ESS1-6

Because of temperature in the protoplanetary disk...

• Rocks, metals and ices froze in the inner region only

• Rocks and metals froze in both regions and ice only in outer region

• Rocks and metals froze in the inner region and ice in outer region

• Rocks and metals froze in both regions and hydrogen gas froze only in outer region

The order of the formation of the solar system: 
Solar nebula - protostellar disk- nuclear fusion - sun - planetesimals - planets

• True

• False

Tags

NGSS.HS-ESS1-6

Why does the Earth orbit the sun? 

• The sun pulls Earth toward it.

• The sun pulls Earth in an orbit.

• The sun pushes Earth away.

• Electromagnatism from the sun keeps Earth in orbit.

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

According to Kepler's laws planets, how do planets move? 

• At a constant speed in circular orbits

• In elliptical orbits and faster at the perihelion

• In elliptical orbits and slower at the perihelion

• At a constant speed in elliptical orbits

Which of the following has the greatest gravitational force? 

• 2 kg masses 100 cm apart

• 10 kg masses 10 cm apart

• 2 kg masses 10 cm apart

• 10 kg masses 100 cm apart

Which planet has more gravity? 

• Earth

• Jupiter

• Mercury

• Neptune

Tags

NGSS.MS-PS2-4

Which planet has the longest orbital period and slowest orbital velocity? 

• Mercury

• Earth 

• Jupiter

• Neptune

What happens to orbital speed as a planet is farther from the sun? 

• slower

• faster

• constant

• variable