A large body made of gas or rock that orbits around a star.

• planet
• moon
• star
• super nova

Tags

NGSS.HS-ESS1-4

From smallest to the largest

• universe, solar system, galaxy

• galaxy, solar system, universe

• solar system, universe, galaxy

• solar system, galaxy, universe

Tags

NGSS.MS-ESS1-3

A ..... is a large collection of stars, gas, and dust

• moon

• star

• planet

• galaxy

A ..... is a large celestial body that is composed of plasma (hot gas) and gives off light.

• planet

• galaxy

• star

• moon

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

A ...... is a spherical body that orbits the sun.

• star

• planet

• galaxy

• solar system

Space and all the matter and energy in it.

• Space
• Solar System 
• Universe
• Sun

Tags

NGSS.HS-ESS1-2

NGSS.HS-ESS1-3

The age of the universe:

• 23 billion years

• 1.4 billion years

• 4 billion years

• 14 billion years

Tags

NGSS.HS-ESS1-2

The unknown invisible force or energy which accounts for the biggest percentage of our universe composition is.

• black hole

• dark energy

• ordinary matter

• dark matter

Most scientists believe the Big Bang Theory explains which of the following questions?

• How our planets and moons formed

• How our universe began

• How the sun turns hydrogen into helium

• How fast light travels through space

Tags

NGSS.HS-ESS1-2

Our theory of the universe was confirmed by the discovery of:

• fusion.
• cosmic microwave background radiation.
• the Andromeda galaxy.
• the Doppler effect.

Tags

NGSS.HS-ESS1-2