taken from StarChild:The Solar System
Use the bank to complete the statements
| asteroid | meteoroids | gravitational | satellites | elliptical |
| galaxy | solar system | Astronomers | mass | comets |
The words " _________________" refer to the
Sun and all of the objects that travel around it. These objects include
planets, natural ______________ such as the Moon, the________________ belt,
, ____________and ____________________ . Our solar system has an ____________________
shape and is part of a ______________known as the Milky Way. The Sun is
the center of the solar system. It contains 99.8% of all of the __________
in our solar system. Consequently, it exerts a tremendous ____________________pull
on planet s, satellites, asteroids, comets, and meteoroids. ___________________believe
the solar system formed 4.5 billion years ago. However, they differ in
their beliefs about how the system formed. Some believe the whole solar
system formed from a single flat cloud of gas, while others believe it
formed when a huge object passed near the Sun, pulling a stream of gas
off of the Sun. ____________________theorize the planets then formed from
this gas stream.
Text from the AVI The Solar System
| rotating | nuclear | planets |
| massive | gravitational | Helium. |
| gases | Hydrogen | Venus |
| Mars | Mercury | Earth |
| rock | center | solar |
AUDIO:
The solar system formed from an immense
____________________cloud of gas and dust, the ________ nebula. The sun's
___________ fires ignited at the dense __________of this nebula. The _______________were
born in the swirling currents of the great cloud. Planets
near the sun, _______________ , ________________,____________ , and , evolved
as globes of___________ . They were too small and their gravitational
fields too weak to capture
and hold the __________ from the nebula.
But far from the sun, the planets Jupiter and Saturn, with powerful _____________
fields, did attract and hold thick gaseous atmospheres of ____________
and _____________
Standard4
| PLANET | appearance......... | composition........... | relative position.. | size............... | natural satelites |
| Mercury | |||||
| Venus | |||||
| Earth | |||||
| Mars | |||||
| Jupiter | |||||
| Saturn | |||||
| Uranus | |||||
| Neptune | |||||
| Pluto |
Make generalizations about the inner planets
1.
2.
3.
4.
Make generalizations about the outer planets
1.
2.
3.
4.