Big Bang Review

A galaxy is a grouping of millions or billions of stars kept together by _______.

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NGSS.HS-PS2-1

NGSS.HS-PS2-4

How did the universe begin according to the current understanding?

• Steady State Theory

• Big Bang Theory

• Oscillating Universe Theory

• String Theory

Tags

NGSS.HS-ESS1-2

What does the Big Bang Theory explain?

• The formation of stars

• The development of the universe from a singularity

• The creation of planets

• The extinction of dinosaurs

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NGSS.HS-ESS1-2

Fill in the blank: The universe began from an initial point or _______ which has expanded over billions of years to form the universe as we now know it today.

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NGSS.HS-ESS1-2

What is the term used to describe the universe's first growth spurt?

• Expansion

• Inflation

• Explosion

• Contraction

Tags

NGSS.HS-ESS1-2

During the universe's first growth spurt, it doubled in size at least ___ times. LOOK AT NOTES!

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NGSS.HS-ESS1-2

What happened to the universe as it expanded?

• It got hotter and more dense.

• It got cooler and less dense.

• It remained the same.

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NGSS.HS-ESS1-2

Before the Big Bang, time, matter, and space did not ______.

• exist
• think

• win

Tags

NGSS.HS-ESS1-2

What was the calculated starting temperature of the universe?

• 1x10^32 °C

• 1x10^30 °C

• 1x10^28 °C

• 1x10^26 °C

Within about 1 second of its existence, the universe cooled down enough for which particles to form?

• Protons, neutrons, and electrons

• Atoms and molecules

• Stars and galaxies

• Planets and moons

Tags

NGSS.HS-ESS1-2