Astronomy Unit Test Review

According to the Big Bang theory, the universe is about

• 470 million years old

• 13.7 billion years old

• 4.7 billion years old

• 500 million years old

What scientist thought the Earth was at the center of the universe or the Geocentric Theory?

• Ptolemy

• Hubble

• Galileo

• Copernicus

Which model is the currently accepted model of our solar system?

• Model A: Heliocentric

• Model B: Geocentric

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Where in the Milky Way Galaxy is our solar system found?

• In the center of the spiral

• In the Orion arm of the spiral

• In the Perseus pocket of the spiral

• None of the above

What are the forces that cause our planets to revolve around the sun?

• friction and gravity

• gravity and inertia

• heat and inertia

• weight and mass

Which of the following best describes the similarities between an asteroid and a meteor?

• They are both rocky.

• They are both made of ice.

• They both have a molten core.

• They both orbit earth.

Why might Scientific Theories change over time?

• New discoveries

• Updated technology

• Additional observations

• All of the above

What are the outer planets?

• Mercury, Venus, Earth, and Mars

• Earth, Mars, Jupiter, and Saturn

• Jupiter, Saturn, Uranus, and Neptune

• Mercury, Venus, Uranus, and Neptune

Tags

NGSS.MS-ESS1-3

Which planets are terrestrial planets?

• Mercury, Venus, Earth, and Mars

• Earth, Mars, Jupiter, and Saturn

• Jupiter, Saturn, Uranus, and Neptune

• Mercury, Venus, Uranus, and Neptune

Which of the following is a bit of space rock that has entered Earth’s atmosphere and burns up, creating a streak of light?

• asteroid

• comet

• star

• meteor