Our tour of the planets begins with Mercury. Click on the planet Mercury upon your arrival at Solar System Studies 101. We will read the information together. You will then go back and fill in the blanks (below), using the information on screen to help you.
Mercury is the planet _________ ____ ___________ to the sun.
It is one of the _______ _________ _________. These planets
are ___________ __________ __________ and ________.
The inner planets are also called the _________ ________,
because they are made of rocks.
Mercury orbits the sun very quickly. It only takes it ____ _____
to go around the sun. It takes Earth _____ ______ to orbit
around the sun. One orbit around the sun is __ ______. A year on
Earth is 365 days. A year on Mercury is only 88 days!
1 Earth year = about 4 Mercury years!!
Mercury spins ________ _________ on its axis. It takes Mercury
176 "earth days" to spin around on its axis one time. It takes earth
only 24 hours to spin all the way around. Our day is 24 hours long
because that is how long it takes earth to spin around once. A day on
Mercury is _____ _________ ________ _______. Could you
stay up that long????
Pluto is the only planet that is ___________ _______ _____________. Mercury is
about 1/3 as big as earth.
___ Mercurys = ___ Earth!
See the earth spin? One spin is a 24 hour day. You would have to see the earth spin around 176 times before Mercury would spin around once!
Mercury has many craters all over it. This picture shows some of
the craters. Craters are _____ ________ that are made when
_____________ hit a planet.
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