Solar System Review

We have 8 planets in our galaxy. They are separated into categories: inner, terrestrial; outer, gas giants; and outer, ice giants. Earth is in which category?

• Outer, gas giants

• Outer, ice giants

• Dwarf Planets

• Inner, terrestrial planets

In our galaxy we have planets and smaller worlds called ______. (Hint: Pluto is an example)

• Inner, rocky planets

• Outer, gas giants

• Outer, ice giants

• Dwarf Planets

Which planet is the closest planet to the Sun with no atmosphere and extreme temperatures? This planet is also our smallest planet and has no moons.

• Mercury

• Earth

• Jupiter

• Mars

What is the main difference between an asteroid and a meteoroid?

• Color

• Location

• Size

Tags

NGSS.MS-ESS1-3

What is the 6th planet from the Sun? This planet is a gas planet with spectacular rings.

• Mercury

• Venus

• Jupiter

• Saturn

What instrument do we use to observe the sun, stars, and planets?

• Thermometer

• Scale

• Telescope

• Camera

The solar system formed about 4.5 billion years ago from a dense cloud of gas and dust. The cloud collapsed, possibly due to the shock wave of a nearby exploding star, called a supernova. What scientific principle is key in creating AND holding our solar system together?

• Distance

• Pressure

• Gravity

• Temperature

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

If a meteoroid hits Earth's surface, it is called a(n)_____

• comet

• meteor

• meteorite

• asteroid

Meteoroids are produced from what objects in space?

• asteroid and comets

• comets and meteors

• asteroids and meteors

• meteors and meteroites

When meteoroids enter Earth's atmosphere, they form ______

• comets

• meteors

• dwarf planets

• asteroids