Solar System Unit Test Review

______ is a force that causes dust particles to stick together in a nebula.

• nuclear fusion
• gravity
• hydrogen
• iron

Tags

NGSS.MS-ESS1-2

All stars begin as a __________?

• giant
• black hole
• white dwarf
• nebula

Tags

NGSS.HS-ESS1-3

Spinning on an axis.

• Precession
• Rotates
• Revolves
• Nutation

Tags

NGSS.MS-ESS2-6

Orbiting around another body.

• Revolves
• Rotates
• Ellipse
• Planetesimals

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

as the expanding hydrogen moves farther away from the center of the star, it cools and turns red

• star

• nebula

• protostar

• red giant

exploding star; shine brightly for days or weeks and then fade away; will form a new nebula

• nebula

• protostar

• red giant

• supernova

Tags

NGSS.HS-ESS1-3

small and very dense star that shines with a cooler white light

• supernova

• white dwarf

• red giant

• protostar

distance light travels in a year

• astronomical unit

• light year

• mile

• 100,000 miles

object that is so dense and has such powerful gravity that nothing can escape from it, not even light

• galaxy

• sun

• black hole

• constellation

states that the universe started with a big bang at a single point and has been expanding ever since; evidence suggests that the big bang happened about 13.7 billion years ago

• sun

• binary stars

• irregular galaxies

• big bang theory

Tags

NGSS.HS-ESS1-2