Chapter 3 - Solar System: Sect. 1 - 3

The Greek thought that Earth is inside a rotating dome they called the ​ (a)  

• celestial sphere
• solar system
• Earth
• atmosphere

In ​ (a)   model, the planets move on small circles that move on bigger circles.

• Ptolemy
• heliocentric
• geocentric
• Galileo

​ (a)   used the newly invented telescope to make discoveries that supported the heliocentric model.

• Galileo
• Ptolemy
• Copernicus
• Aristotle

Today we know that the ​ (a)   consists of the sun, nine planets, and their moons, and several kinds of smaller objects that revolve around the sun.

• solar system
• atmosphere
• universe
• Earth

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

The sun’s interior consists of the ​ (a)   , ​ (b)   , and the ​ (c)   .

• core
• radiation
• convection
• nuclear fusion
• inner core

Tags

NGSS.HS-ESS1-1

Because the radiation zone is so dense, energy can take more than ​ (a)   years to move through it.

 ​

• 100,000
• 10,000
• 1,000
• 1,000,000

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

​ (a)   means the sphere that gives off visible light

• Photosphere
• sunspots
• corona
• Kuiper

​ (a)   are areas of gas on the sun’s surface that are cooler than the gases around them.

• sunspots
• corona
• helium
• gas giants

The inner planets are often called the ​ (a)   planets.

 

• terrestrial
• gas giants
• moons
• photosphere

The oxygen you need to live makes up about ​ (a)   of Earth’s atmosphere.

• 20%
• 30%
• 15%
• 45%