Unit 5 Review

Front

What causes the change from daytime to nighttime on Earth?

Back

Earth rotates and causes different parts of the Earth to experience night.

Tags

NGSS.MS-ESS1-1

Front

What is Cosmic Background Radiation?

Back

The remaining energy from the big bang.

Tags

NGSS.HS-ESS1-2

Front

What type of galaxy is the Milky Way?

Back

Spiral galaxy.

Front

What discovery confirmed our theory of the universe?

Back

Cosmic microwave background radiation.

Front

What are the two most abundant gases in stars?

Back

Hydrogen and Helium.

Front

Explain the significance of Earth's rotation in relation to day and night.

Back

Earth's rotation on its axis causes different parts of the planet to be exposed to sunlight or darkness, resulting in the cycle of day and night.

Tags

NGSS.MS-ESS1-1

Front

What is the relationship between Cosmic Background Radiation and the Big Bang Theory?

Back

Cosmic Background Radiation is considered evidence of the Big Bang, as it is the residual thermal radiation from the early universe.

Tags

NGSS.HS-ESS1-2

Front

Describe the structure of a spiral galaxy.

Back

A spiral galaxy has a flat, rotating disk containing stars, gas, and dust, along with a central concentration of stars known as the bulge.

Front

What role does the sun play in the Milky Way galaxy?

Back

The sun is one of billions of stars in the Milky Way galaxy, contributing to its overall mass and gravitational dynamics.

Front

How does the discovery of cosmic microwave background radiation support the Big Bang Theory?

Back

It provides evidence of the early hot and dense state of the universe, consistent with predictions of the Big Bang Theory.

Tags

NGSS.HS-ESS1-2