Unit 2 Test: The Universe

Rank the following stellar objects from smallest to largest.

• a. Moon, planet, solar system, galaxy, universe

• b. Planet, moon, galaxy, solar system, universe

• c. Universe, galaxy, solar system, planet, moon

• d. Moon, planet, solar system, universe, galaxy

What is the approximate age of the universe?

• 4.5 million years old

• 4.5 billion years old

• 13.8 million years old

• 13.8 billion years old

Tags

NGSS.HS-ESS1-2

The size of space is so large, we cannot use traditional units of measurement. Which of the following is the largest unit of measurement we use to measure distances within the universe?

• Kilometer

• Light year

• Parsec

• Astronomical Unit

Which unit of measurement describes the distance between the Earth and Sun?

• Kilometer

• Light year

• Parsec

• Astronomical Unit

The gravitational attraction between two objects in the universe is greatest when their masses are

• small and the objects are close together

• small and the objects are far apart

• large and the objects are far apart

• large and the objects are close together

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NGSS.HS-PS2-4

Almost everything we know about the universe is based on…

• Our observations of light

• Sending astronauts to outer space

• Listening to cosmic background radiation

• Studying impact craters on the Earth and Moon

Tags

NGSS.HS-ESS1-2

Cosmic background radiation detected from all directions in space provides evidence for the

• Greenhouse effect

• Doppler effect

• Big bang theory

• Geocentric theory

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NGSS.HS-ESS1-2

What event is known as the beginning of the universe?

• The Big Crunch

• The Big Bang

• Cosmic Inflation

• The Steady State Theory

Tags

NGSS.HS-ESS1-2

Which of the following statements about the Big Bang Theory is true?

• It suggests the universe is contracting.

• It states that the universe was once in a hot, dense state.

• It explains the future fate of our universe.

• It is universally accepted without any evidence.

Tags

NGSS.HS-ESS1-2

Which of the following objects gives off their own light?

• Black holes

• Planets

• Main sequence stars

• Moons

Tags

NGSS.HS-ESS1-1