solar system worksheet answer key

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Below you will find a ton of worksheets for students that are focused on all different areas of our solar system. You will find a lot of work on planets, the sun and our moon (Luna). As the sheets progress, we look at space exploration. We begin by exploring our moon and learn the phases of the moon. We look at the names of the planets and then break it apart into inner and outer planets. We dissect the sun and comets and look at what it is made up of. We explore the asteroid belt located between Mars and Jupiter. We go on to learn about the Space Shuttle the fastest engineered vessel to transport humans. As you scroll down you will notice the worksheets get much more colorful.

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Print solar system worksheets, click the buttons to print each worksheet and associated answer key., moon phases 1.

As the moon orbits around the Earth, we see a different side of the moon. As shown in the diagram below, sometimes we see the lit side and sometimes the dark side.

Phases of the Moon 2

Provide the names for the phases drawn in the 8 boxes below using the names listed in the following table.

Provide the names for the planets shown in the diagram below using the names listed in the following table.

Inner Planets

The "inner planets" are those closer to the sun than the solar system's asteroid belt. Provide the names of what is shown in the diagram below using the names listed in the following table.

Outer Planets

The "outer planets" are those farther from the sun than the solar system's asteroid belt.

Exploring the Solar System

Although many objects such as asteroids, comets, and meteors orbit our solar system's sun, the largest objects travelling around the sun are the planets.

Planets Puzzle

Use what you have learned about our solar system to complete the puzzle. You may need to refer to science book or an encyclopedia.

Anatomy of the Sun

The sun is the star nearest to the Earth. Provide the names for the parts of the sun shown in the diagram below using the names listed in the following table.

Comet Anatomy

Comets are objects that travel through space and are made of a combination of dust and ice. They are sometimes called "dirty snowballs" because of this.

Asteroid Belt

Between Mars and Jupiter is a large belt of rocks called asteroids orbiting the Sun. These asteroids may be pieces of a planet that broke apart millions of years ago.

The Space Shuttle

Provide the names of the parts of the Space Shuttle using the terms listed in the following table.

Shuttle Missions

Provide the names for the different stages of a complete Space Shuttle mission using the terms listed in the following table.

Launch Pads

Provide the names for the different parts of the Space Shuttle's launch site using the terms listed in the following table.

The Planet News

Pick a planet and get to researching... Then tell us all you know about it.

Label the Planets (with Word Bank)

Label all the planets in order. You are provided a good set of vocabulary words to work with.

Label the Planets

No word blank for you. You are on your own here.

Popping Label the Planets

The vibrant colors really help this one come together.

Seasons of the Year

The diagram below shows the Earth’s position during different seasons throughout the year. Label the season and approximate date of each below.

The Hot and Cold

The diagram below shows the Earth's position in relation to the Sun during the summer and winter in the Northern Hemisphere.

The Planetary Birthday?

When a planet revolves around the Sun it is considered a year of time relative to that planet. Earth days 365 days to revolve around the Sun.

The Planetary Scale

Weight is a force that is dependant on the gravity of the Planet you are on. Calculate your weight on other planets.

What Is the Solar System?

Have you ever wondered what lies beyond our planet? When you see the sun from the horizon, it's not just the earth taking in all that energy. The earth is only a tiny part of an assembly orbiting the sun known as the solar system.

The solar system comprises the sun and the assembly of bodies orbiting it, including moons, planets, asteroids, meteoroids, and comets. The word 'solar' comes from 'sol,' a Latin word for sun.

Our solar system has a central star the sun. It is a monster; in fact it makes up 98% of the matter in our solar system. The gravity created by the large body exerts itself on the 8 planets that rotate around it in orbits. The solar system is thought to have formed 4.6 billion years ago. The closer a planet is to the sun, the hotter the average surface temperature on the surface of it. Each of them has a bit of personality itself. The solar system also has piles of rocks floating around in the form of meteoroids. There are also a little bit of sparkle going on across the solar system in the form of comets. There are just under two hundred moons in our solar system. Earth’s moon (Luna) is not the only one out there. The four inner planets are mostly composed of metal and rock, while the four outer ones are much larger. From what researchers can tell so far Earth and the elements it is composed of is pretty rare. The elements we commonly find on Earth are only found in trace amounts in other locations of our solar system.

There isn't a simple way to define these cellestial bodies. The actual definition has been a controversial subject for a long time now.

However, three characteristics describe them:

They travel around a star - the sun, in this case - in circular orbits; They are large enough to have self-gravity to assume a spherical shape; and, Their orbital area is free of debris or impediments.

There are currently eight planets orbiting the sun. These include the:

Terrestrial planets. Examples of terrestrial include Mercury, Venus, Earth, and Mars. They contain silicate rocks.

Gas giants. These giant planets have a small rocky core encircled by hydrogen and helium, hence the name. Jupiter and Saturn belong to this class.

Ice giants. The ice giants refer to Saturn and Neptune. Scientists once grouped them as gas giants. However, the distinction became necessary because they contain heavier gases such as oxygen and nitrogen.

Dwarf Planets

There’s another class of spatial bodies called dwarf planets. They resemble regular planets in form and appearance but differ in key characteristics.

Because they're smaller, dwarf planets lack the substantial gravitational force required to draw materials in their orbit. Typical examples include Pluto (once considered a planet) and the asteroid Ceres.

Satellites are smaller bodies orbiting larger bodies such as planets and comets. Moons are natural satellites, such as the one orbiting our earth.

Most planets have at least one moon, except Mercury and Venus, which have no moons.

Comets are bodies of frozen gases orbiting the sun. They also contain rock and dust. When passing close to the sun, comets warm up and begin to release gases. The gases glow against sunlight from a distance, leaving a brilliant, visible trail.

What are these gases made of? According to Space.com, the comet gas is a mixture of water vapor, carbon dioxide, carbon monoxide, and other trace substances.

Asteroids are essentially rocks orbiting the sun. They were formed from leftover materials from the solar system's formation and come in different shapes and sizes.

Asteroids are also called planetoids or minor planets. They orbit the sun like planets, but they're much smaller. Many asteroids exist in the solar system, but most reside in the asteroid belt, which lies between Mars and Jupiter.

Meteoroids are tiny rocks or metallic substances orbiting the sun. They also orbit the sun like planets, comets and asteroids do. However, they are the smallest among these bodies. Meteoroids are tiny. They can be as small as grain and as big as a small asteroid.

Meteoroids burn when entering the earth at high speeds, appearing as light streaks in the atmosphere. They’re called meteors or shooting stars. The remnants that hit the ground are called meteorites.

Final Thoughts

Our solar system comprises the sun and the many bodies orbiting it, such as planets, dwarf planets, satellites, asteroids, comets, and meteoroids.

These bodies are bound to the sun by gravity and differ in shape and size, ranging from giant planets to small meteoroids.

Worksheet on Solar System [With PDF]

What is solar system.

The solar system is the system created by all the objects (planets, moons, comets, asteroid, meteoroids, etc.) that orbit the Sun keeping it at the center. All these objects are bound to the Sun by gravitational forces. Refer to Fig. 1 showing the Sun along with its planets.

Let’s learn about the solar system through the worksheet provided below. Answers are provided at the end of the worksheet. Option for Printing or making pdf is provided at the end of the article.

Worksheet on Solar System

1. fill in the blanks by providing correct answers related to solar system.

a. The name of the largest planet of solar system is ___ b. The distance between Sun and earth is _______________ . c. The name of the planet that is nearest to Earth is ______ d. The planet which the closest to earth in size is _________________ e. The distance of moon from Earth is _________________ . f. ____ is the centre of the solar system. g. Name of the first person who reached to space is _________________ . h. The diameter of Earth is ______________ . i. In the year _________ the Halley’s Comet will be visible from Earth again. j. ____________ is the first women who reached to space.

2.Match Column A with Column B

3. write t if the statement is true and f, if false.

a. Phobos & Deimos are the satellites of Mars b. The age of the Earth is approximately 4.54 billion years c. Sun rays take around 8 minutes to react to Earth. d. Saturn has the maximum number of moons or natural satellite e. Venus has the maximum number of volcanoes. f. In the year 1957, the first man-made object was sent to space. g. High tide and Low tide are governed by the gravity of the Mars h. Pluto is a dwarf planet. i. When the Earth is between the Sun and the Moon, a lunar eclipse occurs j. The duration of a Solar Eclipse is around Seven and half Minutes.

4. Choose the correct answer for the given questions?

(answer key: earth; neptune, mercury; coma; venus; ganymede; mercury and venus; hydrogen; 8; mars).

a. Name the planets which do not have natural satellites? b. What is the name of one of the natural satellites of Jupiter? c. Name of the planet that spins backwards relative to other planets? d. What is the name of the glowing head of a comet? e. The sun is mostly made of this element? f. Name of the planet which does not have any atmosphere? g. This planet has erosion by running water other than Earth? h. Number of planets in solar system? i. This planet is named after the Roman god of the sea? j. Name of the planet that is largely covered by water?

5. Answer the following questions

a. Olympus is the name of the highest peak of Which Planet? b. What is the function of the spacecraft Juno? c. From which year does the Pluto is not considered as a Planet? d. What is the name of the largest natural satellite of planet Neptune? e. Why is Mars also called Red Planet? f. Which part of the Sun is visible by humans? g. Which is the fastest planet in the Solar System? h. What is the name of the planet having the highest density in the Solar System? i. What is the meaning of the term Orbit with respect to the Solar System? j. Why does Life exist on the planet Earth?

Answers to the above questions:

• a. Jupitar; b. 92,960,000 miles (149,600,000 km); c. Venus; d. Mars; e. 238,855 miles (384,400 km); f. Sun; g. Yuri Gagarin, in 1961; h. 7,918 miles (12,742 km); i. 2061; j. Valentina Tereshkova, in 1963.
• 1.->G; 2.->E; 3.->B; 4.->A; 5.->I; 6.->H; 7.->J; 8.->D; 9.->F; 10.->C
• a. T; b. T; c. T; d. F; e. T; f. T; g. F; h. T; i. T; j. T
• a. Mercury and Venus; b. Ganymede; c. Venus; d. Coma; e. Hydrogen; f. Neptune; g. Mars; h. 8; i. Mercury; j. Earth
• a. Mars; b. Juno’s mission is to measure Jupiter’s composition, gravity field, magnetic field, and polar magnetosphere; c. 2006; d. Triton, discovered by William Lassell just 17 days after the discovery of Neptune itself; e. Mars is often called the ‘Red Planet’ because it appears in the sky as an orange-red star; f. photosphere; g. Jupiter; h. Earth; i. An orbit is a path that an object takes in space when it goes around a star, a planet, or a moon; j. We have an ozone layer to block harmful rays

Well, I am a Science Graduate, currently a housewife and mother of two. While helping my kids with their studies I find that schools are providing very few worksheets for practice at home which is not sufficient for the kids to think beyond the boundary. For better development and depth on each subject students should practice more and more worksheets or question papers. I am sure other parents also experienced the same problem. So through this website, I plan to provide various worksheets on different subjects to help interested kids, parents, and teachers.

2 thoughts on “ Worksheet on Solar System [With PDF] ”

I am hapoy to see your worksheets. Pls if possible can u provide worksheets for class 5 english grammar and maths problem sums like mix problems with unitary methods, geometry. As well as sum science concept worksheets where they will explore their knowledge not about bookish

A great job.Thank you

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Planetary travel time.

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Solar system object images – download PDF

Student worksheet – download PDF

Teacher answer key – download PDF

Chart paper

(Optional) calculator

• Download images of the planets and display them around the classroom for reference.
• Project or copy the tables from the student worksheet onto large chart paper or a whiteboard.
• Students can work individually or in groups in which they divide the work among team members.
• If time is limited, assign each group one mode of transportation or one planet for which to perform the calculations.

The solar system is enormous. Making a scale model of the solar system can help students understand the vast distances between planets. Take their understanding a step further with this lesson, which has them determine how long it would take to travel to each of the major planets and the dwarf planet Pluto.

How big are the planets and how far away are they compared to each other? See how the sizes of planets and the distances between them compare in this video. Credit: NASA/JPL-Caltech | Watch on YouTube

For this lesson, we take a simplified approach to having students compute straight-line distances to the planets from Earth. While this approach is effective for aiding student understanding, it’s not practical for real space travel because straight-line distances to the planets vary every day and spacecraft don’t travel in a straight line.

When we send a spacecraft to another planet, it follows a curved path, or trajectory , because of the gravitational pull of the Sun and the other solar system objects it passes near. Additionally, the planets are always moving, which can affect the time it takes to travel to them. A destination planet might be on the same side of the Sun as Earth when a spacecraft launches, but on the complete opposite side by the time it arrives.

Removing those factors allows young students to estimate the length of time it would take them to get to the planets by walking, riding their bikes, driving a car, riding on a rocket or traveling at the speed of light. Of course, most of these modes of transportation are impossible for space travel, but because they are most tangible to young students, they can help students gain a conceptual understanding of the vast distances in our solar system. Note that the rate of travel used for the rocket is the top speed of NASA’s Parker Solar Probe, the fastest spacecraft in existence. 

• Provide students with student worksheets, pencils, scratch paper and, if desired, calculators.
• Have a volunteer read the instructions from the student worksheet.
• Ask the class how the distance from Earth to each of the planets and Pluto should be computed. Answer: Subtract the appropriate distances.
• Have students represent the problems to be solved using equations with a letter standing for the unknown quantity.
• Have the class work together to compute the distance from Earth to each of the planets and Pluto. Fill in the class chart together as students fill in the charts on their worksheets.
• Ask students to guess how long it would take them to travel to the planets using the various modes of transportation. Fill these guesses into the class chart.
• Ask students how we should determine actual travel times by each mode of transportation to a given planet. Answer: Divide the distance by the rate of travel.
• Have students work individually or in small groups to perform the calculations and record their answers on their worksheets.
• Compare actual answers to guesses and determine how they differ. Were student guesses close? Did they follow the same pattern?
• If time allows, have students convert some of the larger numbers of hours into days or years.
• Point out to students that we cannot travel at the speed of light, but as technology improves, we may be able to travel faster and get to other planets sooner.
• Ask students to research how far away the closest star and neighboring planetary system are, then determine how long it would take by rocket to get there.
• Ask students to identify some of the challenges of sending humans on such long journeys. Some challenges they might mention include taking enough food, water and air to breathe, being away from their families so long, physiological effects of being in space for extended periods, the length of time it would take them to return, and more.
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Seventh Grade (Grade 7) Solar System Questions

You can create printable tests and worksheets from these Grade 7 Solar System questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

• the tilt of Earth's axis
• Earth's revolution around the Sun
• Earth's rotation on its axis
• neither hemisphere is tilted toward or away from the Sun.
• the Northern Hemisphere is tilted away from the Sun.
• the Northern Hemisphere is tilted toward the Sun.
• Earth's axis is parallel to the Sun's rays.
• the Sun must be directly between Earth and the Moon.
• the Moon must be directly between Earth and the Sun.
• the Moon must be directly behind Earth.
• Earth must be directly between the Sun and the Moon.
• where you are on Earth's surface
• how much of the sunlit side of the Moon faces Earth
• how much of the Moon's surface is lit by the Sun
• whether or not an eclipse is occurring
• one rotation
• one eclipse
• Nicknamed 'The Red Planet'
• Outer Planet
• Named after Roman god of war
• Inner Planet
• night and day
• length of a year
• position in the solar system
• constellation
• during the Moon's first quarter phase
• when the Sun, Earth, and Moon are nearly in a line
• during the Moon's third quarter
• when the Moon is at a right angle to the Sun
• Between Mars and Earth
• Between Mars and Jupiter
• Between Mars and Saturn
• Between Mars and Pluto
• third quarter
• first quarter

• 23.5 degrees
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