Big Bang Theory and Gravity

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

Tags

NGSS.HS-ESS1-2

As galaxies move away from our galaxy

a shift on the electromagnetic spectrum

(EMS) is noticed. This phenomena is

called _____________.

• redshift

• blueshift

• unshift

• blackshift

Tags

NGSS.HS-ESS1-2

Our theory of the universe was confirmed by the discovery of:

• fusion.
• cosmic microwave background radiation.
• the Andromeda galaxy.
• the Doppler effect.

Tags

NGSS.HS-ESS1-2

The universe is expanding!  This means that:

• all of the galaxies are spreading out.
• the universe must have started from a single point.
• the universe is cooling down.
• all of the above.

Tags

NGSS.HS-ESS1-2

Most of the Universe is _____

• filled with planets
• filled with stars
• filled with gas and dust
• pretty empty

You can think of it as "how much stuff makes up an object"

• size
• brightness
• mass
• density

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

A force of attraction between 2 object that is directly related to mass and indirectly related to distance.

• mass
• weight
• gravity
• kilogram

Tags

NGSS.MS-PS2-4

As mass increases, what happens to gravitational force?

• increases
• decreases
• stays the same
• i don't know

Tags

NGSS.MS-PS2-4

As the distance between 2 objects increases, what happens to gravitational force?

• increases
• decreases
• stays the same
• i don't know

Tags

NGSS.MS-PS2-4

Which of the following will not change in different gravitational fields?

• wieght
• force
• mass
• pounds

Tags

NGSS.MS-PS2-5