WorksheetsCH 7: Solar System
Total questions: 89
Worksheet time: 48mins
The Sun contains about ______ % of the mass of the solar system.
50
75
90
99
An astronomical unit is based on __________.
the distance from the Sun to interstellar space
the distance Earth's orbit makes around the Sun
the distance from the Sun to Earth
the distance from Earth to the Moon
The outer planets are called _______________.
gas dwarfs
terrestrial giants
gas giants
gas monsters
Which planets are closer to the Sun than Earth?
Mercury and Mars
Mars and Venus
Mercury and Venus
Mercury and Jupiter
Which planet is Uranus?
What is the shape of a planet's orbit?
circle
oval
ellipse
foci
What are the two forces keeping Earth in orbit around the Sun?
gravity and speed
speed and distance
inertia and gravity
mass and distance
Gravity....
object with larger mass pulls smaller mass object towards it
object with larger mass pushes smaller object away from it
keeps objects moving in a straight line
keeps an object at rest
Newton discovered...
Choose all that apply!
an object in motion will stay in motion unless acted on by an outside force
an object at rest will stay at rest
inertia keeps objects moving in a straight line
the shape of the planet's orbit
One AU is equal to __________________________.
150,000,000 miles
150,000,000 km
200,000,000 miles
93,000 km
Jupiter's AU is 5.2. What does that mean?
It is about 5 times bigger than Earth.
It's mass is 5.2 kg.
It is about 5 times farther from the Sun than Earth.
The closest planet is 5.2 million km away.
The outer planets are made up mostly of
nickel and ice
steel
gas and ice
iron ore
The time it takes Saturn to travel once around the Sun is its
day and night
period of rotation
orbit
period of revolution
The time it takes Uranus to spin once on its axis is its
orbit
period of rotation
sideways tilt
period of revolution
Which planet experiences an intense greenhouse effect?
Mars
Earth
Venus
Mercury
Which inner planet has an atmosphere most like Earth?
Mercury
Venus
Mars
All of the inner planets
None of the inner planets
Venus and Mars have atmospheres made up mainly of ___________.
nitrogen
hydrogen
oxygen
carbon dioxide
Name the inner planets in order from the Sun.
Mercury, Earth, Mars, Venus
Venus, Mercury, Earth, Mars
Mars, Mercury, Venus, Earth
Mercury, Venus, Earth, Mars
This planet has no atmosphere.
Saturn
Neptune
Mercury
Venus
I am the largest planet and have colorful clouds.
Jupiter
Saturn
Uranus
Earth
Gases trapped in Venus's atmosphere cause
decrease atmospheric pressure
greenhouse effect
clouds to form
the temperature to lower
Which statement is true about the inner planets.
They are all the same size.
They all have liquid water.
They all have a solid inner core.
They all contain oxygen in their atmosphere.
Which of the following is not one of Jupiter's moon?
Io
Callisto
Ganymede
Triton
Venus is hotter than Mercury even though Mercury is closer to the Sun. Why?
Venus has greenhouse gases which hold the heat
No Mercury atmosphere means inability to hold heat
Neither answer is correct
Both answers are correct
What surrounds Jupiter's solid core?
liquid nitrogen
liquid nickel
liquid hydrogen
liquid carbon
The outer planets are primarily made up of which two gases?
hydrogen and oxygen
helium and methane
hydrogen and helium
carbon dioxide and sulfur
All of the outer planets have ______ and _______.
ring systems; colorful clouds
moons; methane gas
ring systems; moons
methane gas; ring systems
Mercury is too ______ to have strong enough________ to hold an atmosphere.
massive; rotation
large; gravity
small; gravity
small; orbit
Which planet has a sideways tilted axis?
Earth
Neptune
Saturn
Uranus
This type of space rock burns up in Earth's atmosphere.
Meteor
Meteoroid
Meteorite
Comet
This type of space rock actually hits a planet or moon.
Meteor
Meteoroid
Meteorite
Comet
Name the four outer planets in order from the Sun.
Jupiter, Pluto, Saturn, Neptune
Saturn, Neptune, Uranus, Jupiter
Europa, Io, Saturn, Jupiter
Jupiter, Saturn, Uranus, Neptune
The solid, inner part of a comet is its
gas tail
coma
dust tail
nucleus
Which is not a dwarf planet?
Haumea
Pluto
Io
Makemake
Which planet's density is so low that it could float in water?
Mars
Saturn
Neptune
Earth
The term that refers to Jupiter's moons is named after whom?
Kepler
Galileo
Copernicus
Newton
Methane is found in the atmosphere of which two planets?
Saturn and Uranus
Jupiter and Neptune
Uranus and Neptune
Neptune and Saturn
What is shown here?
an asteroid
a dwarf planet
a comet
a meteorite
What are the requirements to be considered a planet? Check all that apply.
Spherical
Orbits the Sun
Rotates counterclockwise
Greater mass than total mass of surrounding objects
Name the 4th planet from the Sun.
Venus
Earth
Mars
Mercury
The greater the AU, the ________ the ___________.
shorter; day
longer; year
faster; rotation
shorter; orbit
Which planet is the hottest and why?
Choose two!
Mercury because it is closest.
Venus because its atmosphere is made up of carbon dioxide
Mercury because it has no atmosphere
Venus because of the greenhouse effect
What are the visible parts of a comet? Choose all that apply
coma
gas tail
nucleus
dust tail
The planets are all equally distanced from each other.
Where is the Asteroid Belt located in the Solar System?
near Neptune
between Mercury and Venus
between Mars and Jupiter
around the Sun
Which of these has the strongest gravitational field?
sun
earth
saturn
jupiter
What is a meteoroid that has hit Earth's surface?
Meteor
Asteroid
Comet
Meteorite
What is the basic shape of every planet's orbit?
oval
ellipse
perfect circle
egg shaped
What gives Mars its reddish color?
swirling clouds
lava from Olympic Mons
frozen carbon dioxide in the ice caps
iron oxide in the soil
