What do all of the inner planets have in common?

They all are small, dense, and have rocky surfaces.

Why does the moon appear to shine?

The moon reflects the light of the sun

An Astronomical unit is?

The average distance between Earth and the Sun

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Duplicate of ch.4 Our Solar System

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Our solar system

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Questions 14

Answers

1
The solar system is the sun, several kinds of smaller objects such as comets and asteroids, and
eight planets and their moons.
six planets and their moons.
more than 100 planets.
the star Proxima Centauri.
2
The five known ______________ in our solar system are Pluto, Eris, Ceres, Makemake, and Haumea.
Planetesimals
Comets
Asteroids
Dwarf Planets
3
What do all of the inner planets have in common?
They all are small, dense, and have rocky surfaces.
They all have many moons
They all have abundant liquid water
They are all made of Hydrogen and Helium
4
The gas giants are composed mainly of _________ and helium
Carbon dioxide
Oxygen
Phosphorous
Hydrogen
5
The four inner planets are known as
Gas giants
Terrestrial planets
Elliptical
The bioplanets
6
The geocentric model of our solar system had what at the center of it
a Black Hole
Jupiter
Earth
The Sun
7
Why does the moon appear to shine?
The moon reflects the light from Earth
The moon reflects the light of the sun
The moon is radioactive
The moon creates its own light
8
The four outer planets are known as ?
Gas Giants
bioplanets
Terrestrial planets
Ringed planets
9
An Astronomical unit is?
The distance light travels in a year
The average distance between Earth and the Sun
The distance of the Solar system
15 miles
10
We now know the heliocentric model of the solar system is correct, which has ____ at the center
The Sun
Jupiter
Earth
A black hole
11
Maria on the moon’s surface were formed by ancient
Lava Flows
Oceans
Meteroid impacts
Ice Flows
12
Uranus is different from most other planets because it
is the farthest from the sun.
has the most moons
rotates on its side
is mostly nitrogen and helium.
13
Planets were once thought to have circular orbits, we now know they are actually _____
Fast
Elliptical
Zig Zag
A straight line
14
What force pulled the solar system together out of a cloud of gas and dust?
Gravity
Electrical force
Magnetic force
Accretion

Duplicate of ch.4 Our Solar System Flashcards | StudBud