Fill In Sentences:
Planets
INSTRUCTIONS:
Fill in each blank box with the word from the above list that best completes the sentence.
treacherous
asteroids
ventured
immense
haze
reflective
replenished
orbit
Galaxy
collide
prominent
astronomers
radiation
barren
lunar
1. The astronauts out of the shuttle to walk in space.
2. Valles Marineris is an , or very large, system of canyons on Mars.
3. The IAU, an organization of , reclassified Pluto as a dwarf planet.
4. The solar system is in the Milky Way .
5. A of ash and dust filled the air after the volcano erupted.
6. Many craters in the surface were made by objects that slammed into the moon.
7. Light that bounces from the surface of the moon makes it look as though it glows.
8. A mission to Mars may be a journey filled with unknown dangers.
9. A belt of , or large rocky bodies, orbits the Sun between Jupiter and Mars.
10. Its thick, poisonous atmosphere makes Venus a , lifeless planet.
11. The planets, asteroids, and comets , or circle, the Sun.
12. The supply of trees can be by replanting programs.
13. When meteorites and asteroids , or crash into, a planet or its satellites, they can leave huge craters.
14. Ultraviolet from the Sun causes sunburn.
15. Jupiter’s Great Red Spot is one of the planet’s most features.
Be Sure to fill in all of the answers before you click submit.
You will not be able to edit the results after submission, but you will be able to retake the entire activity.
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Definition Matching:
Planets
INSTRUCTIONS:
For each vocabulary word in the left column, locate its definition in the right column.
Type the number of the correct definition in the blank before the word.
lunar
1. to dare to travel to; to go even when there is danger
radiation
2. very large; huge
astronomers
3. scientist who studies objects in space
asteroid
4. a system of stars formed by billions of stars
Galaxy
5. layer of fine dust, smoke, or mist in the air
treacherous
6. of or about the moon
orbit
7. capable of reflecting light, or turning it back
reflective
8. not providing stable support; having hidden or unexpected dangers
venture
9. one of thousands of very small rocky objects orbiting the Sun
haze
10. having no life; unable to produce anything
replenished
11. to travel around in a curved path
barren
12. to provide a new supply; to fill again
prominent
13. to crash into
immense
14. energy, such as light, that is emitted in waves or particles
collide
15. standing out from the rest; easy to see
Be Sure to fill in all of the answers before you click submit.
You will not be able to edit the results after submission, but you will be able to retake the entire activity.
Hi! Our Vocabulary Activities work much better on a laptop or a desktop. Please try to use one of those devices when working on these activities. Thanks!
Crossword:
Planets
Hi! Our Vocabulary Activities work much better on a laptop or a desktop. Please try to use one of those devices when working on these activities. Thanks!
The planets, for kids, are covered in all their celestial glory here. Get details on everything from Mercury’s sweltering, wrinkled surface to Pluto’s reclassification as a “dwarf planet”, as well as neat facts on all the planets in between.
Far out! It’s time for some out-of-this-world exploration. In Planets, kids will find out everything they need to know about all the other heavenly bodies, besides the Earth, that orbit our Sun. Starting with the three criteria an object in our solar system must meet to be considered a planet, this issue then takes a look at each one in turn, picking up incredible facts along the way. Did you know that the poles of Mercury always stay well below freezing, that Venus’ clouds are made of sulfuric acid, and that on Mars, the daytime sky looks like our sunset, while sunset is bright and blue?
Next, take a peek at gas giant Jupiter and its 63 moons, then dissect Saturn’s 10,000 rings. And don’t forget the outer planets; for kids interested in the furthest reaches of our solar system, details on watery, distant Uranus and methane-clouded Neptune, as well as the dwarf planets Pluto and Ceres, are sure to be compelling. Wandering comets and the asteroids of the Kuiper Belt get a close look too. This unit will help kids retain all the neat details they’ve learned about our nearest neighbors in the sky.
7 Topics in this unit
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Our Solar System
Our solar system consists of a star (the Sun) and the group of planets orbiting it.
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Mercury and Venus
Mercury is the nearest known planet to the Sun.
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Earth and Moon
Earth is our home planet. It is not named after a god but is an old German word that means ...
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Mars
Mars is called the red planet because it looks like a bright reddish light in the nighttim ...
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Jupiter
Named after Jove, the chief god of the Romans, Jupiter is the largest planet in the solar ...
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Saturn
Saturn is a gaseous giant planet named after the Roman god of the harvest.
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Uranus, Neptune, and the Dwarf Planets
The planets beyond Saturn are far away from Earth, and astronomers need large telescopes t ...
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1 Videos in this unit
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Mars
The red color comes from the presence of the minerals iron oxide and olivine on its surfac ...
Vocabulary Activities for Planets
