What is the "length" of an astronomical unit (AU)?

the average distance between Earth and the sun

ice and rock balls that are smaller than planets

Moving away from the sun, what is the correct order of the Jovian planets?

Jupiter, Saturn, Uranus, Neptune

a small body of rock and ice that formed the planets

What is the relationship between a planet's distance from the sun and the length of its year?

the farther the planet is from the sun, the longer its year

Which of these is NOT a requirement for an object to be classified as a planet?

it must be at least 3 kilometers in diameter

What makes the difference between a planet and a dwarf planet?

is the area of its orbit clear of other objects

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Introducing the Solar System

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Introducing the Solar System - 6th Grade Earth & Space Science

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Questions 17

Answers

1
What is the "length" of an astronomical unit (AU)?
the average distance light can travel in a day
the average distance one can travel between planets in a day
the average distance between Earth and its moon
the average distance between Earth and the sun
2
A comet is
object made of rock and ice that formed the planets
an object that falls to earth's surface
a rocky object that is smaller than a planet
ice and rock balls that are smaller than planets
3
The object at the center of the solar system is
the sun
Earth
an asteroid
a meteor
4
What force formed the solar system?
Motion
Pressure
Gravity
Inertia
5
Moving away from the sun, what is the correct order of the Jovian planets?
Jupiter, Neptune, Saturn, Uranus
Uranus, Saturn, Neptune, Jupiter
Jupiter, Saturn, Uranus, Neptune
Neptune, Uranus, Saturn, Jupiter
6
Which of the following is NOT part of our solar system?
the sun
a variety of small objects
the planets and their moons
stars
7
The force that holds the solar system together is
gravity
inertia
suction
force
8
A planetesimal is
another name for a comet
a group of planets
a small body of rock and ice that formed the planets
another name for a dwarf planet
9
Moving away from the Sun, which is the correct order of the terrestrial planets?
Mars, Mercury, Earth, Venus
Mercury, Earth, Venus, Mars
Mercury, Venus, Earth, Mars
Mars, Earth, Venus, Mercury
10
What is the relationship between a planet's distance from the sun and the length of its year?
there is no relationship between the two
the length of the year is the same on all planets
the farther the planet is from the sun, the longer its year
The farther the planet is from the sun, the shorter its year
11
Which of the planets are known as the gas giants?
the outer planets
all of the planets
the inner planets
none of the planets
12
Which of these is NOT a requirement for an object to be classified as a planet?
it must be at least 3 kilometers in diameter
it must orbit the sun
it must have cleared out the region along its orbit
it must be round
13
What is the largest object in our solar system?
Saturn
the Sun
Jupiter
Earth
14
Scientists often use this to measure distances within our solar system.
Astronomical Unit (AU)
the speed of light
Astronomical year
Light year
15
Which group of planets are small and rocky?
none of the planets are small and rocky
all of the planets are small and rocky
the inner planets
the outer planets
16
A rocky object that is smaller than a planet is called
an asteroid
a meteorite
a meteor
a meteoroid
17
What makes the difference between a planet and a dwarf planet?
its shape
is the area of its orbit clear of other objects
what astronomical body it orbits
its size

Introducing the Solar System Flashcards | StudBud