Download Name _________ Science - 7th period Date: The Universe: Objects

Name ______________________________________ Science - 7th period
Date: ________________
The Universe: Objects in the Solar System
Earth’s Moon
1. A moon is a natural _______________________ of a planet
2. A satellite moves around another object in a fixed path, or ______________________.
Earth’s moon size
1. It looks much larger than any of the planets but it is actually ___________________ than any planet.
2. It also looks the same size as the Sun but is _________________ times smaller than the sun.
What makes the moon appear so large?
1. The moon is 384,000 km from Earth
2. The sun is _______________________ km from Earth.
3. When objects are closer, they seem ____________________.
Other objects of the Solar System
1. __________________ planets orbit the sun and are ________________ and have different characteristics than a
planet
2. _______________________ is a large chunk of ________________ that orbits the sun. ( the largest is 600 km in
diameter)
a. Most asteroids orbit in an area called the asteroid _____________ located between _______________ &
______________________.
3. Comets- small clumps of rocks, dust, and _______________ that glow and form ________________ as they near
the sun.
4. Some orbit again and again, while others make 1 trip around the sun and then head out into space never to return.
5. ______________________________ - small ___________________ bodies that are similar to asteroids but are
much ______________________.
6. Meteorite is a meteoroid that enters Earth’s ___________________________ and hits the ground.
7. ________________________ is the bright streak of ____________________ of a meteoroid burning up in the
atmosphere. ( known as “Shooting Stars”)
Why do all these objects orbit the Sun?
Name ______________________________________ Science - 7th period
Date: ________________
1. All of these objects are attracted to the sun by its _________________________________ pull.