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A planet is a large object such as Jupiter or Earth that orbits a star. It is smaller than a star, and it does not make light. Planets are ball-shaped spheres. Objects that orbit planets are called moons. There are eight planets in the Solar System, but there used to be nine.
See the fact file below for more information about key solar system planets or alternatively download our comprehensive worksheet pack to utilise within the classroom or home environment.
- All eight planets can be seen with a small telescope or binoculars.
- Venus is the brightest planet and can be seen without a telescope.
- The earth has more water than it has land.
- Mars is home to the largest volcano in our solar system. It is almost 17 miles high.
- Jupiter is the largest planet. All of the other planets could fit inside Jupiter. The red spot on Jupiter is the most violent storm in the Universe.
- Saturn is the lightest of all the planets. It is also the second largest.
- One year on Neptune lasts 165 Earth years!
- Uranus orbits while lying on its side, because its axis is at 97 degrees.
- Mercury and Venus have no moons. The Earth has 1 moon. Mars has 2 moons. Neptune has 13 moons. Uranus has 21 moons. Saturn has 33 moons. Jupiter has 63 moons.
- All of the outer planets, (Jupiter, Saturn, Uranus, Neptune and Uranus) have rings.
The Inner Planets
- These are Mercury, Venus, Earth, and Mars.
- They are also referred to as the “terrestrial planets”.
- They are dense and formed mostly of rock, minerals, and metals.
- Mercury does not have an atmosphere, but Venus, Earth, and Mars do – they are substantial enough to generate weather.
- All of the inner planets have craters, valleys, and volcanoes.
- Mercury is the planet that is closest to the sun. It is also the smallest.
- Venus is close in size to Earth and has evidence of internal geological activity. It is much drier than earth though, and it is the hottest planet due to the amount of greenhouse gasses in the atmosphere.
- Earth is the largest inner planet and is the only one known to have life on it. The Moon is its natural satellite.
- Mars has an atmospheric makeup of mostly carbon dioxide.
- The surface of Mars has many volcanoes and valleys, and gets its red color from iron oxide in its soil.
The Outer Planets
- These are Jupiter, Saturn, Uranus, and Neptune.
- These are also referred to as “Jovian” or “Giant” planets.
- All four giant planets have rings, although only Saturn’s can be seen from Earth.
- Jupiter is primarily composed of hydrogen and helium. It is the largest planet in the entire solar system.
- Jupiter’s “Great Red Spot” is 1.3 times as wide as earth, and is in a constant state of high-pressure, which results in a constant storm.
- Saturn has several rings, and is the only planet in the solar system that is less dense than water.
- The rings of Saturn are made up of ice and rock particles.
- Uranus is the lightest of the outer planets. It orbits the sun on its side, and radiates a tiny amount of heat.
- Neptune is slightly smaller than Uranus.
- Neptune has 14 known satellites and is 17 times the mass of Earth.
- It is named after the Roman god of the sea and its symbol is a version of the god Neptune’s trident.
This bundle contains 12 ready-to-use planet worksheets that are perfect for students who want to learn more about the solar system and the eight planets within in.
Download includes the following worksheets:
- Planets Facts.
- Planet Labels.
- Planets Wordsearch.
- Jupiter’s Eye.
- Planet Factfile.
- Planets Crossword.
- Guess the Planet.
- Unscramble the Planet.
- Should Humans Colonize Mars?
- Write a Postcard.
- BONUS Hidden Planet Activity!
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Link will appear as Planet Facts & Worksheets: https://kidskonnect.com - KidsKonnect, September 26, 2017
Use With Any Curriculum
These worksheets have been specifically designed for use with any international curriculum. You can use these worksheets as-is, or edit them using Google Slides to make them more specific to your own student ability levels and curriculum standards.