RV6-How the earth works worksheet part two
Spring Quarter 2016
Instructor: Richard Alishio
1. Precipitation is _____________, ________________, ________________ or
________________.
2. The water cycle wouldn’t exist if it weren’t for
________________________________________________________________.
3. The two main disadvantages of the sun’s power source are
___________________________ and the ________________________________.
4. The _____________________ _______________________ protects us from harmful
UV radiation and the earth’s ________________________
_____________________________ protects us from the _________________________
_________________________.
5. Ozone, or O3, is found in the upper atmosphere of the earth. This layer is called the
_______________________________.
6. When UV light hits a molecule of oxygen, it splits in into two atoms; some of these
atoms combine to form ______________________________. This process is called the
___________________________________ ______________________.
7. If the earth didn’t have a magnetic field, then the solar wind would strip away the
earth’s ________________________________ and we would all die!
8. Interactions between the earth’s inner __________________ and outer
_____________________ create the _______________________
_____________________.
9. The dynamo effect is created when
________________________________________________________________________
________________________________________________________________________
_____________________________________________.
10. When the solar wind reaches earth, it collides with the
______________________________________ and harmlessly flows around us.
11. A solar nebula is a ________________________ _________________________ _____
____________________________________.
12. The scientific theory of the origin of the universe is called the
_______________________________________________ (also a TV show!).
13. All of the matter and energy of the universe is called a
______________________________.
14. When this object exploded, matter and energy went off in
_____________________________________________________________ at extremely
high speeds.
15. After the big bang, it took about a billion years for the first _______________________
to form.
16. The sun formed out of a spinning cloud of gas and other elements called a
_____________________ ________________________.
17. The theory of accretion for how the earth formed is
________________________________________________________________________
_______________.
18. Once the earth formed, impacts from ________________________ and other
____________________________ caused many ______________________ to form.
19. Once the earth cooled, water formed and filled the ____________________ which
created the ___________________________.
20. The most interesting aspect of what I’ve learned about how the earth works is
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
__________________________________________________________.