Most scientists believe the Big Bang Theory explains which of the following questions?

• How our planets and moons formed

• How our universe began

• How the sun turns hydrogen into helium

• How fast light travels through space

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NGSS.HS-ESS1-2

The attractive force between objects is called....

• force

• Gravity

• inertia

• motion

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NGSS.MS-PS2-4

When we see the Andromeda galaxy, we are seeing it as it was 2.3 million years ago. Why?

• it takes light that length of time to travel

• light travels really slow in outer space

• light travels faster than sound

• it is an ancient galaxy

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-3

The unit of length that astronomers use to measure distance between object in the universe is the

• light year

• Astronomical unit

• mile

• kilometer

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NGSS.MS-ESS1-3

Our universe is made up of at least a

• million galaxies

• million stars

• billion galaxies

• hundred planets

Space and all the matter and energy in it.

• Space
• Solar System 
• Universe
• Sun

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NGSS.MS-ESS1-2

Which of the following is the largest?

• star

• universe

• Solar System

• galaxy

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NGSS.MS-ESS1-3

The most commonly accepted theory that explains the beginning of our known universe is the -

• Theory of Evolution
• Big Bang Theory
• Cell Theory
• Blackhole theory

Tags

NGSS.HS-ESS1-2

The sun and all of the planets and other bodies that travel around it. 

• Universe 
• Galaxy 
• Star
• Solar System 

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

A relatively large spherical body that orbits a star.

• Star 
• Planet
• Moon 

Tags

NGSS.MS-ESS1-2