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6th Grade Solar System Review Answer Key

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PLANETS
#1 How many planets are there? 8
#2 Which planet is nearest the sun? Mercury
#3 The largest planet is ... Jupiter
#4 Two planets with rings are ... Saturn, Neptune, Uranus, Jupiter - name any two
#5 Name the planets in order from the sun. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
EARTH
#1 Earth is a ... planet
#2 Earth is mostly covered by _______. water
#3 The distance around Earth is .... 25,000 mi
#4 The distance through the Earth is ... 8,000 mi
#5 It takes Earth how long to orbit the sun ... 365 days
SUN
#1 What are the small, dark patches on the sun? sunspots
#2 What two kinds of energy do we get from the sun? heat, light
#3 The 3rd layer of the sun is ... Convection Zone
#4 What size and color is the sun? yellow dwarf
#5 What galaxy is the sun in? Milky Way
Astroids, Comets, Meteroites
#1 Icy Objects Comets
#2 Most found in the asteriod belt Asteroids
#3 Streak across the sky very fast Meteors
#4 Tails always points away from the Sun Comets
#5 rocky composition ALL (comets, asteroids, and meteors
Planets
#1 Venus is the ___________ planet from the sun. 2nd
#2 Pluto was once a planet, but now it is called a ____________. Dwarf Planet
#3 Which planet in the solar system thousands of rings? Saturn
#4 Vaporizes in Earth’s Atmosphere Meteroites
#5 A _________ is a natural satellite which revolves around a planet. Moon
Final Question
The birth regions in the galaxy for stars is the... the Carina Nebula