Earth and space

A light year is the 

• distance that light travels in one year
• Speed at which light travels 
• Distance between the sun and the earth. 
• Distance at which light no longer exists. 

What is an astronomical unit (A.U.)?

• the time it takes light to travel one year

• the distance between the Earth and the Moon

• the distance between the Earth and the Sun

• the distance between the Earth and the Neptune

Tags

NGSS.MS-ESS1-3

What do we use astronomical units to measure?

• distances in our solar system
  
• How far our solar system is from others in our galaxy.
  
• The distances between galaxies. 
  
• The distance from one side of the universe to the other. 

Tags

NGSS.MS-ESS1-3

Why do we use light years and astronomical units to measure distances in space?

• Scientists want to sound smart.

• Hubble discovered these units and wanted to use them.

• Space is too small to use km, it wouldn't make sense.

• Space is too big, vast, enormous to use traditional units, like miles.

Tags

NGSS.MS-ESS1-3

Which of the following scenarios would we use Light Years to determine, not Astronomical Units (AU)?

• distance from Mercury to Saturn

• distance from Sun to Neptune

• distance from Earth to Sun

• distance from Asteroid Belt to the Betelgeuse Star

Tags

NGSS.MS-ESS1-3

Most all living things require _____ gas (found in the air) for their survival.

• carbon dioxide

• helium

• hydrogen

• methane

• oxygen

Tags

NGSS.5-LS1-1

All living things require liquid _____ for their survival.

• air

• milk

• oil

• oxygen

• water

Tags

NGSS.5-LS1-1

Earth is the right distance from the Sun; scientists say it is in the "_____ zone."

• bearable

• habitable

• tolerable

• uninhabitable

Tags

NGSS.MS-ESS1-1

The motion of the melted metals deep inside the Earth (along with Earth's rotation) creates Earth's _____ field.

• atomic

• electric

• gravitational

• magnetic

• nuclear

Which of these provide the BEST evidence that life could develop on Mars?

• its atmospheric gases

• its surface temperatures

• its craters and rocky surface

• its ice and organic molecules

Tags

NGSS.MS-LS2-1