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| Click the Techie Toolbox for tips and help to make the most of your time on the Web. |
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| Chapter
4: Properties and Changes |
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p.90
Plasmas
Draw
a diagram showing how energy is used to change a gas into a
plasma.
p.100
A Revolution in Winter Maintenance
Unlike salt, these chemicals are applied before a winter storm hits.
If you were responsible for keeping the roads in your area
free of ice, would you use salt or anti-icing chemicals? Explain
your answer in your Science Journal.
Anti-icing
chemicals help keep snow and ice from sticking to pavements.
| Unit
1: The Nature of Science |
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Washington
University Medical School
A
network of scientists is online, ready to answer your questions
about science. Ask a question about Earth, life, or physical
science, or conduct one of the many experiments found at this
site.
NOVA
Online
Ancient
artifacts tell archaeologists a lot about the lives of prehistoric
people. Sharpen your archaeological skills by reassembling
broken pieces of a clay pot.
Chemical Elements.com
The
periodic table arranges elements according to their properties.
What element does the symbol Mg represent? Draw the atomic
structure of this element.
Science
Made Simple, Inc.
Practice
converting English units of measurement to SI units. Record
your results in your Science Journal.
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