Unit 1 Test Review

Which list is organized from SMALLEST to LARGEST?

• Planet, Galaxy, Solar System, Universe

• Solar System, Planet, Universe, Galaxy

• Universe, Solar System, Planet, Galaxy

• Planet, Solar System, Galaxy, Universe

How many universes are scientifically proven to exist?

• 0

• 1

• Billions

• Infinite

Evidence shows that interstellar bodies are moving away from Earth, some faster than others, which BEST suggests that the universe

• is shrinking

• is expanding

• was not formed by a big bang

• has always been the same size

Tags

NGSS.HS-ESS1-2

Over time, scientists have changed their model of our solar system. It has transitioned from

• a sun-centered to an moon-centered model

• a sun-centered to an earth-centered model

• an earth-centered to a sun-centered model

• a moon-centered to an earth-centered model

Our Solar System is in the Milky Way galaxy. What shape is this galaxy?

• oval

• rectangular

• spiral

• triangular

Tags

NGSS.MS-ESS1-2

Scientists believe that the universe is expanding. Which theory about the creation of the universe BEST supports this belief?

• Creation Theory

• Big Bang Theory

• Protouniverse Theory

• Bouncing Universe Theory

Tags

NGSS.HS-ESS1-2

Which planetary body has the GREATEST gravitational pull?

• Jupiter

• Neptune

• the Moon

• the Earth

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

If a new star appeared in our solar system that was larger and heavier than the Sun, the planets would MOST LIKELY

• orbit the new star

• float away in space

• continue to orbit the sun

• be pulled into the new star

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

A meteorite is DIFFERENT from a comet mainly because it

• has a tail of ice and dust

• enters the Earth´s atmosphere

• has a nucleus made of snow and rock

• is found in orbit between Mars and Jupiter

The tail of a comet usually faces

• toward the Sun

• away from the Sun

• toward the Earth

• away from the Earth