The Solar System
- The Solar System is our __________________ that travels around it.
- Our Solar System is __________________________ in shape.
- Nine known planets and their moons, along with _________________,
_________________, and other space objects _____________ the sun.
The Sun
- The Sun spins slowly on its _____________________ as it _______________
around the galaxy.
- The Sun also produces big explosions of energy called __________.
The Planets
- A planet is a large space object which _________ around a star.
- There are two groups of planets named ___________________ planets
and _____________ planets.
Mercury
- Mercury is about the same size as our ___________________.
- Mercury can only be seen from Earth just before _______________ or
just after________________, but not in the middle of the night.
Venus
- Venus is called the ________, because it looks so bright to us from
Earth.
- This planet is unusual because it ________ in a direction opposite
that of all of the other planets.
Earth
- Seventy percent of the Earth's surface is covered by ______________.
- It has an atmosphere made up of many different __________________,
but mainly it is nitrogen and oxygen.
Mars
- The ________________________ is what gives Mars its red color.
- Mars also has some of the tallest __________ and some of the deepest
______________ in our solar system.
Jupiter
- Jupiter is so large that all of the ________________ in the solar
system could fit inside of it.
Saturn
- Saturn is surrounded by over 1,000 rings made of _______________ and
__________________.
- The size of the ____________ in the rings range from pebble-size to
house-size.
Uranus
- Uranus is large enough to hold _________ planets the size of Earth.
- The cold _______________ is what gives Uranus its blue-green color.
Neptune
- Neptune has winds in its atmosphere which blow at over _______ kilometers
per hour.
- Neptune has ___________ moons.
Pluto
- Some astronomers think Pluto is not a real planet, but a __________.
- Pluto is actually smaller than one of ___________________.
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