PMA 8 Review

What does the Big Bang Theory tell us

• About the popular television show.

• the entire universe was once condensed in the form of primeval atom, or a dense mass.

• how the universe began.

Tags

NGSS.HS-ESS1-2

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

NGSS.HS-PS4-1

Light emitted from a star or galaxy can be separated into a band of colors, called a ________.

• Red Shift

• Wave Length

• Spectrum

• Microwave

Tags

NGSS.HS-ESS1-2

How long does it take light from our Sun to reach Earth?

• 3 seconds
• 8 minutes
• 57 hours
• 1 year

A huge collection of stars , gas and dust

• Universal

• Universe

• Galaxy

• Solar system

• Inner and Outer planets

Which of the following list the correct hierarchy in the Universe from biggest to smallest?

¿Cuál de las siguientes enumera la jerarquía correcta en el Universo de mayor a menor?

• Universe, galaxies, solar system, stars and planets

• Planets, stars, solar system, galaxies, universe

• Solar system, galaxies, stars, planets, universe

• Universe, solar system, galaxies, planets and stars

Tags

NGSS.MS-ESS1-3

An astronomical unit is...

• The average distance between the Earth and the Sun

• The average distance between the Sun and Neptune

• The diameter of the sun

• The time it takes light to travel across our solar system

Tags

NGSS.MS-ESS1-3

The distance that light can travel in a year is called....

• A light second

• A light minute

• A light month

• A light year

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.