|
|
Mathematics
|
|
|
|
Interactives for Students
|
|
|
Cracking the Ice Age
In "Continents on the Move," discover how scientists measure
continental movement. Grades 6-8, 9-12.
Danger in the Jet Stream
In "Up, Up, and How Far Away?," use visual perspective to estimate
the distance to an object. Grades 3-5, 6-8.
Decoding Nazi Secrets
In "A Simple Cipher," work to crack a secret message that has been
encrypted using a cipher. (Shockwave plug-in required.) Grades 6-8,
9-12.
Decoding Nazi Secrets
In "Send a Coded Message," use a virtual version of the German
ciphering machine, Enigma, to send an encrypted message. (Shockwave
plug-in required.) Grades 6-8, 9-12.
Elegant Universe, The: Welcome to the 11th Dimension
In "Multidimensional Math," progress from one to four dimensions by
starting with a point and ending with a hypercube. (Flash plug-in
required; non-Flash version available.) Grades 9-12.
Hunt for Alien Worlds
In "Signs of Life," use data to locate the planet Jupiter and
determine if there is a nearby planet with an atmosphere habitable
for humans. Grades 6-8, 9-12.
Infinite Secrets
In "Approximating Pi," see Archimedes' geometrical approach to
estimating pi. (Flash plug-in required; non-Flash version
available.) Grades 6-8, 9-12.
Lost at Sea -- The Search for Longitude
In "Find Your Longitude," locate a ship on the high seas using only
the Sun's position and the time of day. (Shockwave plug-in required;
non-Shockwave version available.) Grades 6-8, 9-12.
Lost King of the Maya
In "Reading Maya Hieroglyphs," figure out the Maya numbering system,
a base 20 system of counting. (Shockwave plug-in required.) Grades
6-8, 9-12.
Methuselah Tree
In "Build a Tree-Ring Timeline," learn about dendrochronology and
analyze patterns to build a virtual tree-ring timeline. (Shockwave
plug-in required.) Grades 6-8, 9-12.
Perfect Pearl, The
In "How Many Pearls?," learn about two methods to estimate how many
pearls are in a treasure chest. Grades 3-5, 6-8.
Proof, The
In "Pythagorean Puzzle," manipulate a square to see how it fits into
the Pythagorean Theorem. (Shockwave plug-in required; non-Shockwave
version available.) Grades 6-8, 9-12.
Pyramid, The
In "Hieroglyphs: Say What?," learn about hieroglyphs and then try to
decipher a message. Grades 3-5, 6-8, 9-12.
Pyramid, The
In "Scaling the Pyramids," click on a parts of a pyramid to learn
more about it and print out and assemble a scaled-down version of
the Great Pyramid. Grades 6-8, 9-12.
Secrets of Lost Empires I -- Pyramid
In "Scaling the Pyramids," print out and assemble a scaled-down
version of the Great Pyramid. (No plug-in required.) Grades 3-5,
6-8.
Secrets of Lost Empires II -- Pharaoh's Obelisk
In "How Big Were They?," compare the weight of the largest ancient
obelisk to a herd of elephants. (Shockwave plug-in required.) Grades
3-5, 6-8.
Secrets, Lies, and Atomic Spies
In "Decipher a Coded Message," see if you can figure out the cipher
used to encrypt a secret message. (Shockwave plug-in required;
non-Shockwave version available.) Grades 6-8, 9-12.
Shackleton's Voyage of Endurance
In "Find Your Longitude," determine your location on the high seas
using only the sun's position and the time of day.
Three Men and a Balloon
In "Up, Up, and How Far Away?," use visual perspective to estimate
the distance from an object. (No plug-in required.) Grades 3-5, 6-8.
Time Travel
In "Think Like Einstein," look at the same puzzle and think about
the same concepts Albert Einstein thought about to arrive at his
special theory of relativity. Grades 6-8, 9-12.
To The Moon
In "Lunar Puzzlers," use facts about the Earth, Moon, and Sun to
answer four Moon puzzlers. (Frames required.) Grades 6-8, 9-12.
Trillion Dollar Bet
In "Play a Virtual Market," invest traditional stock in four
companies or buy and sell call options with a virtual $100,000.
(Shockwave plug-in required.) Grades 6-8, 9-12.
Vikings, The
In "Build a Tree-Ring Timeline," learn about dendrochronology and
analyze patterns to build a virtual tree-ring timeline. (Shockwave
plug-in required.) Grades 6-8, 9-12.
|
