Universe and Stars review

Stars are primarily composed of?

• Hydrogen

• Methane

• Oxygen

• Diamonds

Tags

NGSS.HS-ESS1-1

What process do stars use to create light energy?

• Nuclear fission

• Nuclear fusion

• Convection

• Sunlightification

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Rank the following from smallest to largest.

• Solar System -> Universe -> Galaxy

• Universe -> Galaxy -> Solar System

• Universe -> Solar System -> Galaxy

• Solar System -> Galaxy -> Universe

Approximately how old is the universe?

• 13 million years

• 4.5 billion years

• 13 billion years

• 13 light years

Tags

NGSS.HS-ESS1-2

Which measurement tool is used mainlky within the solar system but not on Earth?

• Light year

• AU (Astronomical Units)

• Kilometers

• Miles

Tags

NGSS.MS-ESS1-3

How many stars are in our solar system?

• 1

• 8

• a million billion

• 2

Which of the following stars is the coolest?

• Blue

• White dwarf

• yellow

• Red

An exploding star at the end of its cycle is known as...

• Big Bang

• Red Supergiant

• Nebula

• Supernova

Which image below represents the shape of our galaxy best?

• 
• 
• 
• 

A light year is ...

• how long it takes light to travel from one star to another

• the distance light can travel in a year

• shorter than an AU and used inside the solar system for measurements

• All of these