Our Sun and solar system are part of the __________________.

• Titan Galaxy

• Nebula Galaxy

• Milky Way Galaxy

• Proxima Centauri Galaxy

Tags

NGSS.MS-ESS1-2

A ___________ is a group of between 1 million and 1 trillion stars.

• constellation

• galaxy

• fixed orbit

• meteor shower

The Sun's apparent ____________ (size and brightness) is due to its closeness to Earth.

• magnitude

• distance

• shape

• density

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

The Sun's layers in order from innermost to outermost are:

• corona, photosphere, chromosphere

• chromosphere, photosphere, corona

• chromosphere, corona, photosphere

• photosphere, chromosphere, corona

The Sun's gravitational force keeps the planets, their moons, and other space objects in ______________.

• fixed orbits

• random orbits

• changing orbits

• rotation

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

True or False?

The Sun orbits the planets, and the planets orbit the moon.

• True

• False

We use telescopes because they objects appear ____________.

• closer and dimmer

• brighter and father away

• closer and brighter

• dimmer and farther away

___________ are chunks of rock that orbit the Sun, but ___________ are chunks of rock, ice, and dust that have stretched out orbits around the Sun.

• asteroids; comets

• moons; stars

• comets; asteroids

• stars; moons

A planet's _____________ is one complete trip around the Sun and what determines the length of a planet's year. A planet's _________ is one complete spin on its axis and determines the length of a planet's day.

• orbit; revolution

• rotation; revolution

• revolution; rotation

• revolution; orbit

Tags

NGSS.MS-ESS1-1

Which of the outer planets has the longest orbit?

• Jupiter

• Saturn

• Uranus

• Neptune