Unit 2 Science Test Review #2

Why do astronomers use light years?

• the distance between galaxies are so great

• distances between galaxies are very small

• brightness of stars are too dim to measure

• it took too long to travel to a star

What evidence did Copernicus use to show distance from Earth to other celestial bodies proving his heliocentric model?

• observation of planets

• math

• picture of the sun

• picture of Earth

Tags

NGSS.MS-ESS1-3

What is the correct order of the inner planets from the sun outward?

• Mars, Earth, Venus, Mercury

• Venus, Earth, Mars, Mercury

• Mercury, Venus, Earth, Mars

• Earth, Venus, Mercury, Mars

What is the order of the outer planets from the sun outward?

• Saturn, Uranus, Neptune, Jupiter

• Neptune, Uranus, Saturn, Jupiter

• Jupiter, Neptune, Saturn, Uranus

• Jupiter, Saturn, Uranus, Neptune

What is the difference (in composition) between the outer planets and the inner planets?

• Outer planets made up of gas; Inner planets made up of rock

• Outer planets made up of rock; Inner planets made up of gas

• Outer planets made up of ice; Inner planets made up of water

• Outer planets made up of food; Inner planets made up of saké

Which is the proper time frame for when astronomers used their eyes to observe the stars moving across the sky?

• Early first millennium

• 1400's-1500's

• late 1500's-1600's

• 1900's

What is the proper time frame for when the invention of the telescope allowed astronomers to see that Earth was in the Milky Way galaxy?

• Early first millennium

• 1400's-1500's

• Late 1500's-1600's

• 1900's

What is the proper time frame for when astronomers using telescopes to discover the true center of the Milky Way galaxy?

• Early first millennium

• 1400's-1500's

• Late 1500's-1600's

• 1900's

During what time frame did engineers design better telescopes that helped discover other galaxies?

• Early first millennium

• 1400's-1500's

• Late 1500's-1600's

• 1900's

Tags

NGSS.MS-ETS1-2

What do astronomers use to measure relative sizes of celestial objects?

• eyes

• brains

• models

• notes

Tags

NGSS.MS-ESS1-3