Short Test Study Guide

Galaxy, Star, Star System, Universe

Order the terms from smallest to largest

• star, star system, galaxy, universe

• galaxy, star system, star, universe

• star, star system, universe, galaxy

• star system, star, universe, galaxy

A single galaxy is BEST described as containing

• Millions of stars

• Billions of stars

• Thousands of stars

• Trillions of stars

Interstellar bodies are moving away from Earth, 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

If the four components were ranked from smallest to largest, what would the order be?

• planet; solar system; galaxy; universe

• planet; galaxy; solar system; universe

• universe; galaxy; solar system; planet

• solar system; galaxy; planet; universe

In this illustration, the rings around the Sun represent

• orbits

• sun rays

• radiation

• dust particles

Tags

NGSS.MS-ESS1-1

What is the name of the galaxy where Earth is located?

• Andromeda

• Sun Galaxy

• Comet Galaxy

• Milky Way Galaxy

Tags

NGSS.MS-ESS1-2

The planet that is the closest to the sun in our solar system is

• Earth

• Mars

• Mercury

• Venus

What is the name of the spiral galaxy in which Earth exists?

• Pi

• Orion

• Andromeda

• Milky Way

Tags

NGSS.MS-ESS1-2