Hierarchy in Space

The Milky Way is larger than our solar system. It contains more than 200 billion stars, including the Sun and our solar system.

• True

• False

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Our solar system is part of a lager region of space called a __________.

• moon

• star

• galaxy

• comet

When a ______ gets close to the Sun, its frozen material begins to melt and forms a trail of dust, rock and gas behind it.

• comet

• meteoroid

• meteor

• star

Moons are naturally occurring satellites that orbit planets.

• True

• False

Tags

NGSS.MS-ESS1-1

___________ is the smallest inner planet.

• Mercury

• Venus

• Earth

• Mars

Tags

NGSS.MS-ESS1-3

___________ is the farthest planet from the sun.

• Uranus

• Neptune

• Earth

• Mars

Tags

NGSS.MS-ESS1-3

The largest planets in our solar system are called _______.

• meteors

• gas giants

• terrestrial

What space objects are smaller than planets and made mostly of ice, gas, and dust.

• asteroid

• meteoroid

• comet

• dwarf planet

Most large space rocks are located between the orbits of Mars and Jupiter in a region known as the ___________________.

• Kuiper Belt

• Asteroid Belt

• Oort Cloud

• Atmosphere

Tags

NGSS.MS-ESS1-3

How is Earth different from all the other planets in our solar system?

• It is the only planet with its own moon.

• It has storms in the atmosphere.

• It has liquid water that allows plants and animals to live.

• It is close enough to the sun to get heat energy.

Tags

NGSS.MS-ESS2-4