7.9A Componenents of the Solar System

Multiple Choice

The sun is in the ________________________ of our solar system.

• outside

• center

• circle

• moon

Multiple Choice

What is an astronomical unit (A.U.)?

• the time it takes light to travel one year

• the distance between the Earth and the Moon

• the distance between the Earth and the Sun

• the distance between the Earth and the Neptune

Multiple Choice

The sun is much larger than the moon. However, as viewed from Earth, the sun and moon appear to be the same size. Why do the sun and moon appear to be the same size when viewed from Earth?

• The moon is much hotter than the sun.

• The moon is much denser than the sun.

• The moon is much brighter than the sun.

• The moon is much closer to Earth than the sun.

Multiple Choice

Which of the following are characteristics of the Sun?

• Made up of gas

• light and thermal energy

• Star

• All of the above

Multiple Choice

What is the name of the star closest to Earth

• Sun

• White Dwarf

• Demios

• Phobos

Multiple Choice

Which of the following lists the Earth, Sun, and Moon in order of size, from largest to smallest?

• Earth, Sun, and Moon
• Earth, Moon, and Sun
• Sun, Earth, and Moon
• Sun, Moon, and Earth
  

Multiple Choice

How long does it take the Earth to make one REVOLUTION around the Sun?

• 12 hours
• 24 hours
• 365 days
• 29.5 days

Multiple Choice

What is a planet?

• A very large, round object that moves around a star

• A giant ball of hot gas

• the sun, the eight planets and their moons, and other objects in space

• a pattern of stars

Multiple Select

2. A large ball of rock or gas that moves around the sun is a ___________.

• planet

• moon

Multiple Choice

Which is true of the dwarf planets?

• more massive than nearby objects

• never have moons

• orbit near the Sun

• spherically shaped

Multiple Choice

Pluto is a dwarf planet that is part of the...

• Oort cloud
• Kuiper Belt
• Moon system of Neptune

Multiple Select

A dwarf planet includes these characteristics-

• nearly spherical

• orbits a star

• isn't classified as a natural satellite

• Pluto is a dwarf planet

Multiple Choice

Moons are classified as-

• natural satellites

• artificial satellites

• planets

• dwarf planets

Multiple Choice

The natural pull of objects towards each other is called ___________.

• Elasticity

• An orbit

• Gravity

• The Moon

Multiple Choice

What is Earth's only natural satellite?

• The Sun

• The International Space Station

• The Moon

• An asteroid

Fill in the Blank

Asteroids are a type of space ______ that orbit the sun.

Multiple Choice

The asteroid belt is located between

• Jupiter and Saturn

• Earth and Mars

• Mars and Jupiter

• Mercury and Venus

Multiple Choice

Most asteroids cannot be seen without a

• Magnify glas

• Micrscope

• Telescope

• Pair of binoculars

Match

Match the term with the definition.

• meteors

• meteroites

• meteroids

streaks of light from meteroids

fragments of meteroids

a small, body moving in the solar system

• streaks of light from meteroids

• fragments of meteroids

• a small, body moving in the solar system

Multiple Choice

What are comets made of?

• mud, rock, water

• ice and rock

• ice, dust, water

• gas and dust

Multiple Choice

The _____ is the main body of the comet.

• gas tail

• coma

• nucleus

• dust tail

Multiple Choice

The ____ forms around the nucleus when the sun heats it up.

• dust tail

• coma

• nucleus

• gas tail

Multiple Choice

What is in the Kuiper Belt?

• Vbucks

• Debris left over from the formation of the solar system

• hot pockets

• Robux

Multiple Choice

What is the name of the almost empty ring around the Sun that has icy bodies smaller than Pluto?

• Asteroid belt

• Kuiper belt

• Oort Cloud

• Saturn's rings

Multiple Choice

What is the space debris in the Oort Cloud made of?

• Ice

• Sand

• Rocks

• Gas

Multiple Choice

Where do some comets come from?

• Saturn's rings

• Kuiper belt

• Asteroid belt

• Oort Cloud

Multiple Choice

The third region of icy objects, a spherical cloud which starts roughly 300 billion kilometers out, is called ___

• the Oort Cloud
• the Oort Disk
• the Kuiper Cloud
• the scattered disk

Open Ended

How is the Oort cloud different from the Kuiper Belt?