Stars, galaxies, universe and solar system

What are the the 3 types of galaxies?

• Spiral Galaxies, Regular Galaxies, and Lliptical Galaxies

• Spiral Galaxies, Irregular Galaxies, and Elliptical Galaxies

• Milky Way, Elliptical Galaxies, and Spiral Galaxies

• Milky Way, Elliptical Galaxies, and Irregular Galaxies

Place these objects in order from smallest to largest.

• Planets, solar system, universe, galaxy

• Solar system, planets, galaxy, universe

• Planets, solar system, galaxy, universe

• Galaxy, solar system, planets, universe

Distance measurement used by astronomers for distant objects.

• Kilometers
• Light Years
• Miles
• Light Seconds

A galaxy is a large collection of stars, gas and dust. What is responsible for holding the stars, gas, and dust together in a galaxy?

• heat
• light
• gravity
• friction

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

an immense cloud of dust & gas where stars are born

• black hole

• nebula

• prominence

• supernova

What color of star is the hottest?

• Blue
• Red
• Yellow
• Orange

Earth and the other planets closest to the Sun are made mostly of _______

• gas
• metal
• water
• rock

Tags

NGSS.MS-ESS2-1

NGSS.MS-PS1-1

What process takes place inside a star to generate energy?

• Nuclear fission

• Hydrogen Creation

• Nuclear fusion

• Helium forming

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What is Pluto?

• An asteroid
• A planet
• A dwarf planet
• It doesn't exist

Which planet has the hottest surface temperature?

• Earth

• Mars

• Mercury

• Venus