Unit 7 (Dist in Space/Object in our SS) Review_Comp Sci-FY23

What travels the FASTEST?

• Light

• Sound

• You

A light year is a measure of

• brightness

• time

• distance

• color

What do stars produce that we use to study them?

• light

• sound

• mass

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which is the largest object in our solar system?

• Sun
• Jupiter
• Earth
• Pluto

Tags

NGSS.MS-ESS1-3

What is the name given to the distance that light can travel in one year that is used to measure distances in the universe?

• Revolutions

• Mile- year

• Light-year

• Miles

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

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

A.U. (astronomical units) are used to measure distances between _?_.

• stars

• planets

• galaxies

• solar systems

Tags

NGSS.MS-ESS1-3

Which distance is larger: 1 astronomical unit or 1 light-year?

• 1 AU

• 1 LY

Choose the best description for a comet...

• icy small body with a tail

• chunky rock

• rock moving body