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WorksheetsSolar System and Gravity Review
Total questions: 43
Worksheet time: 22mins
Europa, a moon that orbits Jupiter, is quite different from Earth’s Moon. One characteristic it shares with Earth’s Moon is that Europa–
is covered in ice.
orbits a planet.
has an atmosphere of oxygen.
contains water.
Which of the diagrams shown is the most accurate representation of Earth’s relationship with the Sun and the Moon?
A visible streak of light which shows the path of a rocky object which has entered Earth’s atmosphere is –
an asteroid
a comet
a moon
a meteor
What celestial body orbits a planet?
an asteroid
a meteor
the Sun
a moon
Planets vary as they get farther from the Sun. As a rule, the farther a planet’s orbit from the Sun, -
the longer it takes to orbit the Sun.
the rockier the surface of the planet.
the greater the planet's surface temperature.
the greater the planet's diameter.
Compared to the Sun, all other stars look like points of light in the night sky because the stars
give off much less light than the Sun.
give off different colors than the Sun.
are much farther away than the Sun.
are much smaller than the Sun.
Which of the following is a true statement about the outer planets?
They are gas giants whose orbits are furthest from the sun.
They are gas giants and are the closest planets to the sun.
They are gas giants and have terrestrial crust.
They are gaseous and the smallest planets.
What is unique about planet Earth that allows life to exist?
Earth has landforms and rivers.
Earth has oxygen in the atmosphere and liquid water on its surface.
Earth has weather and an atmosphere.
Earth has a solid core.
Many asteroids originate from an area in space known as The Asteroid Belt. Between which two planets is The Asteroid Belt located?
between Uranus and Neptune
between Earth and Mars
between Mars and Jupiter
between Mercury and Venus
Which of these best describes an asteroid?
large, liquid with an atmosphere
large, ball of hot gasses
small, solid, rocky
small, icy
Which planet is the last inner planet?
Neptune
Mars
Mercury
Earth
Which of the following describes the sun?
The sun is a planet and is the center of our solar system.
The sun is a star that is the same size as all the other stars in the sky.
The sun is a star made up of rocky material.
The sun is a star and is the center of our solar system.
What object is located at the center of the Solar System?
The Sun
The Earth
The Moon
The Milky Way Galaxy
Over the past few centuries, comets have occasionally been observed in the sky. What is one difference between comets and the Moon?
The Moon reflects light from the Sun, while comets generate their own light.
Comets collect debris as they travel in space, while the Moon gives off meteroroids.
The Moon has a core of ice, while comet cores are solid rock.
Comets have large orbits around the Sun, while the Moon orbits Earth.
What object is made of hot gas and is the most massive object in our solar system?
a comet
an asteroid
the Sun
a terrestrial planet
What is the most common element in a star such as the Sun?
hydrogen
oxygen
nitrogen
helium
Which describes the terrestrial inner planets?
they are solid, rocky, and smaller
they are large, solid, and have many moons
they are small, gas, and have rings
they are solid, have many moons, and rings
What is the largest planet in our solar system?
Jupiter
Neptune
Uranus
Venus
Which of these moves in a regular path around the Sun?
a constellation
a planet
a meteor
a star
Which statement is true about the Solar System?
The gas planets are closer to the Sun.
The plants are arranged in order of increasing size.
The solid plants are closer to the Sun.
The solid planets are much larger than the gas planets.
Which statements best describe a difference between comets and asteroids as they travel through space?
comets are icy, asteroid are rocky.
comets orbit Earth, asteroids orbit the Sun.
comets reflect light, asteroids generate light.
comets travel short distances, asteroids travel long distances.
While looking through a telescope, an astronomer views an object that is moving and appears to have a tail. The astronomer states that the tail is caused by evaporation. What is the astronomer most likely observing?
asteroid
planet
star
comet
Light from the Sun appears to be much brighter than the light from any other star in our galaxy. Which best explains why the Sun is so much brighter?
It is the closest star to Earth.
It is the largest star in our galaxy.
It is reflecting the light of the Moon.
It is the youngest star in the Universe.
Which two words best describe the Sun?
star and rocky
star and gases
planet and rocky
planet and gases
Randy studies some objects in the solar system. The Sun is what type of object?
a moon
a planet
a star
a comet
Leslie draws a picture of the Sun and Earth. Her teacher tells her the size of Earth compared to the Sun is not correct. How should Leslie change the picture to show the correct sizes of Earth and the Sun in comparison to each other?
Increase the size of the Sun so it is twice the size of Earth.
Increase the size of the Earth so it is twice the size of the Sun.
Decrease the size of the Earth so it is a tiny dot compared to the Sun.
Decrease the size of the Sun so it is a tiny dot compared to Earth.
A(n) __________ is a smaller object in the solar system that orbits around the sun and is made up of rock or metal.
moon
asteroid
star
meteor
All of the outer planets __________.
are gas giants
orbit the sun in a circular, rather than elliptical, pattern
are smaller with few moons
are rocky and dense
Our solar system is shown in the diagram. Which planet is Mercury?
1
2
3
4
A student wants to illustrate the orbits of the planets in the Solar System. He draws several diagrams that show the placement of the Sun (S) and planets. Which diagram is most accurate?
Which statement is true about the Solar System?
The gas planets are closer to the Sun.
The solid planets are closer to the Sun.
The plants are arranged in order of increasing size.
The solid planets are much larger than the gas planets.
The sun is primarily composed of which elements?
hundreds of hot gases
helium and oxygen
hydrogen and oxygen
hydrogen and helium
Compared to other stars, the Sun is __________.
about average in size
a solid mass
one of the largest stars
one of the smallest stars
What is the force of attraction of all the objects in space called?
mass
gravity
friction
inertia
Which of these does NOT affect the amount of gravity between a planet and the Sun.
the mass of the planet
the mass of the Sun
the amount of gas in the planet's atmosphere
the distance between the Sun and the planet
Kevin is observing the sky on a clear night. With the unaided eye he is able to see Venus, Mars, Jupiter, and Saturn. Why would Venus appear to be brighter than the other planets?
It is the closest planet to the Sun.
It is larger than the other planets.
It is hotter than the other planets.
It reflects the most sunlight toward Earth.
Which statement below is true?
The mass of each planet is less than that of the Sun, so they all orbit the Sun.
The mass of all planets is the same, so they all orbit the Sun.
The mass of each planet is different, so they each orbit their own moons.
The mass of all the planets together is greater than the mass of the Sun.
Which of the following best explains why the Moon orbits Earth?
The moon is a rocky space body.
The Moon was formed after Jupiter was no longer a planet.
The Moon has less mass than Earth.
The Moon has no gravity of its own.
What keeps the planets in our solar system in their orbits?
the force of inertia
the force of solar winds
the force of friction
the force of gravity
Spacecraft must have powerful rockets in order to lift off because of
space is really far away, and takes a long time to get to
Earth's gravity is pulling the craft down toward the center of the Earth.
friction in outer space
the weight of the astronauts
What are two things that affect gravitational attraction between any two objects in space?
distance of the objects from the sun and friction between them
the shape of the objects and the size of the objects
mass of the objects and the distance between the objects
the density of the objects and the location in space
Which of the following accurately explains the relationship between the mass of the planets and the strength of their gravitational pull?
As the mass of the planet decreases, the gravitational pull increases
As the mass of the planet increases, the gravitational pull increases
As the mass of the planet increases, the gravitational pull decreases
As the mass of the planet increases, there is no change to gravitational pull
Which of the following best explains Earth's motion?
The sun move in an elliptical orbit around Earth, and the sun's gravity pulls Earth along
Earth moves in an elliptical orbit around the sun because the gravitational force of the sun attracts Earth
There is no force acting on Earth because space is empty and nothing touches Earth
The gravitational force pulling Earth toward the sun is equal to the force pulling the sun toward Earth
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