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Classifying the Planets WebQuest Worksheet
Using the following websites complete the tables.
https://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level2/planets.ht
ml
http://www.windows2universe.org/our_solar_system/solar_system.html
http://www.astronomy.com/observing/astro-for-kids
http://space-facts.com/dwarf-planets/
https://solarsystem.nasa.gov/planetnine
11
Rocky – (made of rocks; definite surface).
Gas – (made of gas; no definite surface).
Giant – (diameter greater than Earth’s).
Small – (diameter smaller than Earth’s). Note: Earth is 7,900 miles (12,700
kilometers) in diameter.
Place an “X” in the column that best describes the planet.
Planet
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Rocky
Gas
Giant
Small
Dwarf
Planet
Composition
(what’s it
made of?)
Diameter
(km)
Distance
from Sun
Length Number
of Year
of
Moons
Pluto
Ceres
Eris
Haumea
MakeMak
e
1. What is a dwarf planet?
Pluto
2. When was Pluto discovered and who discovered it?
3. What is so unusual about Pluto's moon Charon?
4. How much of Pluto is water?
5. What is the name of the space probe which flew by Pluto?
6. List all the moons in the solar system larger than Pluto.
Ceres
1. Where is Ceres found?
2. Ceres was the first ____ discovered.
3. What is the first space probe to visit Ceres?
4. Ceres makes up what % of the mass in the Asteroid Belt.
5. Who discovered Ceres and in what year?
Haumea
1. How long does a day on Haumea last?
MakeMake
1. MakeMake lacks this.
2. MakeMake is a classic example of what type of object?
Eris
1. After whom was Eris named?
2. All objects in this part of the Solar System could fit inside Eris.
3. Why is Eris not considered a planet in our solar system?
Write the “Did you Know” for Eris.
Using the websites you have been given, answer the following questions:
Asteroids Meteors and Comets.
1. What is an asteroid?
2. Where are the asteroids found?
3. What is a comet?
4. Where do comets come from?
5. Identify the parts of a comet.
a.
b.
c.
6. What is a meteor?
7.
a.
b.
c.
What is the difference between a meteor, meteorite, and meteoroid?
Meteor –
Meteorite –
Meteoroid –
8. What is the Kuiper Belt?
9. List the two dwarf planets that are part of the Kuiper Belt.
a.
b.
Planet 9
1. What is the estimated mass of this hypothetical planet?
2. How many Earth years does a full orbit take?
3. Click the more button and play the video. What did the astronomers see
that caused them to believe that there was a large massive planet at the end
of our solar system?
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