Hands on Science:
Variables Web Sites
•
Catapults
http://icatapults.freeservers.com/
History, recent uses, and quiz about catapults.
You can download and print plans to build catapults with simple materials like
spoons, rubber bands, small pieces of wood, springs, etc. Includes directions
for
making a greeting card catapult!
•
Inventors and Inventions
http://www.invent.org
Index of inventors with short biographical article about each. You can also
start with the name of an invention. Includes links to other sites such as
modern day companies.
•
Why Big Ships Don't Sink
http://www.onr.navy.mil/focus/ocean/
Explanation about why boats float and directions
for an experiment to make an aluminum foil boat that will hold weight. Also
information about and directions for activities that demonstrate how submarines
dive, why things float better in salt water, and why icebergs float.
•
Biographies of Scientists
Here are some sites to research scientists and their work:
-
13 Famous Scientists
http://oz.plymouth.edu/~biology/history/biographies.html -
Famous People in History: Science, Math and Technology
http://www.sjsu.edu/depts/Museum/aamenu.html -
Benjamin Franklin
http://sln.fi.edu/franklin/rotten.html -
History of Math, Science, and Technology
http://www.sjsu.edu/depts/Museum/aamenu.html -
Great Canadian Scientists
http://www.science.ca/profiles.html -
Jane Goodall
http://www.janegoodall.org/
