The early universe was extremely ________ & ________.

• Hot/Damp

• Dense/Hot

• Dense/Cold

• Hot/Bright

Tags

NGSS.HS-ESS1-2

Protons started forming __________ after the big bang.

• 1 million years

• 30 seconds

• 100 years

• Microseconds

Tags

NGSS.HS-ESS1-2

According to the Big Bang Theory, which graph best represents the relationship between time and the size of the universe?

• A

• B

• C

• D

Tags

NGSS.HS-ESS1-2

How did the discovery of Cosmic Microwave Background Radiation support the Big Bang Theory?

• It suggest that H and He were the first elements

• It confirms the Earth is 5 billion years old

• It supports the idea the universe used to be hotter

• It demonstrates that the universe continues to expand

Tags

NGSS.HS-ESS1-2

Why is the abundance of H/He throughout the galaxies an important piece of evidence supporting the Big Bang?

• H/He were two of the first elements to form

• H/He are highly reactive generating hot spots

• H/He are high mass elements formed from supernovae

• All the choices are correct

Tags

NGSS.HS-ESS1-2

Based on the image, which statement is TRUE?

• The top galaxy is moving away from the bottom galaxy

• The top galaxy is moving towards the bottom galaxy

• The galaxies are moving at the same rate

• The galaxies are not moving

Tags

NGSS.HS-ESS1-2

CMB radiation is radiation that was

• Originally Gamma rays, but shifted to become X-rays

• Originally low energy, but heated up when it hit the Earth

• Originally radio waves, but shifted into microwaves

• Originally high energy, but cooled down as the universe grew

Tags

NGSS.HS-PS4-3

A wave with a large wavelength will have a ________ frequency and __________ energy

• low/low

• low/high

• high/high

• high/low

Tags

NGSS.HS-PS4-1

Which has the LONGEST wavelength and, therefore, the lowest frequency/energy?

• Gamma rays

• Visible Light

• Radio Waves

• Infrared Waves

Tags

NGSS.HS-PS4-1

Why were Hydrogen and Helium the FIRST elements in the universe?

• H and He are very simple, made of just one or two protons

• H/He are highly reactive generating hot spots

• H/He are high mass elements formed from supernovae

• All the choices are correct

Tags

NGSS.HS-ESS1-3