Pages 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 11644 result(s) returned

Lunar Plant Growth Chamber
This site invites students to design chambers for growing plants on the moon. (Plants may be used to supplement meals of astronauts during space exploration.) Teacher guides include lessons on providing light and water for the plants, choosing plant species, exploring the moon, and designing, building, and evaluating plant growth chambers.
Author(s): No creator set

License information
Related content

Instant?nea Urbana (Rudimentos Anal?ticos para una Aproximaci?n Fenom?nica Sistem?tica al Estudio de
Description not set
Author(s): Araneda, Claudio

License information
Related content

Rights not set

Earth Explorers Series
Who Are NASA's Earth Explorers? The elementary school student questioning if El Nino occurs anywhere besides the Pacific Ocean... The researcher investigating connections between Arctic ozone depletion and global climate change... The consumer comparing hydrocarbon versus hydrogen-powered cars... And the business person projecting future needs for harvest, delivery, and storage of crops... All of these people are Earth Explorers -- they are all connected by their curiosity about Earth system pro
Author(s): No creator set

License information
Related content

Chandra X-ray Observatory
features news and information about NASA's newest space telescope. As the world's most powerful X-rayobservatory, Chandra joins the Hubble Space Telescope and NASA's other observatories in a study of our universe, providing insights into the universe's structure and evolution. Visitors can track Chandra in orbit, watch live images from NASA-TV, and learn more about prior shuttle launch preparations.
Author(s): No creator set

License information
Related content

Amazing Space
Amazing Space consists of web-based educational presentations for young children about space, which were developed at the Space Telescope Science and Technology Institute. Teachers teamed up with scientists and engineers from the institute and staff members from the Office of Public Outreach to develop interactive lessons. All lessons include spectacular photographs taken by the Hubble Space Telescope and many high quality graphics, videos, and animation designed to enhance student understanding
Author(s): No creator set

License information
Related content

3... 2... 1... Liftoff! Educator Guide
Introduces children to the International Space Station (ISS), the most complex international scientific endeavor in history. Activities focus on the purpose and construction of the ISS, the history of rockets, and the role of rockets in space station assembly. Activities emphasize hands-on involvement, data collection, observation, exploration, prediction, interpretation, problem solving, and language skills.
Author(s): No creator set

License information
Related content

21st Century Explorer
This site answers questions that include: Why do we want to travel to Mars? How would your body change in space? Where would a space explorer find water and oxygen? How can we travel faster in space? Student actors (on video) and hands-on activities are featured with each answer. The site is for Grades 3-5 and available in Spanish.
Author(s): No creator set

License information
Related content

Beats Model
The EJS Beats model displays the result of adding two waves with different frequencies. The simulation displays the superposition of the two waves as well as a phasor diagram that shows how the waves add up at one point in space. The ratio of the wave amplitudes, the ratio of the frequencies, and the phase shift between the two waves can be changed via textboxes.
Author(s): No creator set

License information
Related content

Introductory Tutorial to Mass Spectrometry
An introduction to GC-MS for beginning students in analytical or organic chemistry lab. The site includes discussion of quadrupole mass analyzers, ionization, detection, and interpretation of mass spectra. One of the best features of this site is a series of on-line quizzes on the interpretation of EI mass spectra that includes hints as well as explanations of why the answers are right or wrong.
Author(s): Breci, L.

License information
Related content

Copyright 2003 University of Arizona

Space coupe to the rescue
For this online activity, students raise and lower their Space Coupe to line it up and destroy virus pods using positive or negative numbers. The challenge is to destroy all eight virus pods within a given time. Negative numbers take the Coupe in a downward direction, sometimes below the waterline, while positive numbers take the Coupe in an upward direction, including out of the water and into the air. The distance the ship needs to travel to destroy each pod is counted using a scale on the lef
Author(s): Public Broadcasting System (U.S.). PBS Kids

License information
Related content

Copyright 2003 Educational Broadcasting Corporation.

Middle School Portal: Math and Science Pathways (MSP2)
In this online activity, students are challenged to reproduce 20 different figures using the seven pieces of the Chinese tangram game. The figure to be reproduced is shown in the upper right corner of the screen. The student points and clicks to rotate and position the tangram pieces to copy the figure. For each figure, the student must use, but not overlap, all seven pieces. Clicking on the hint will put outlines of the tangram pieces on the figure the student is trying to reproduce. Figures in
Author(s): PBS Kids

License information
Related content

Copyright 2003 Educational Broadcasting Corporation.

Tournaments : I've got to win how many games?
In this activity, students are challenged to determine how many more basketball games were played in a tournament with a field of 64 teams, compared to a field of 32 teams. Part of the Figure This! collection of 80 math challenges, this exploration challenges students to use a variety of problem-solving techniques that include developing equations, making tables, and drawing tournament brackets. The importance of these strategies in making business decisions and planning space missions is noted.
Author(s): National Council of Teachers of Mathematics (NCTM)

License information
Related content

Content copyright 1999-2002 National Council of Teachers of Mathematics.

The Adventures of Josie True
The Adventures of Josie True is a web-based historical adventure game for girls. The hero of the game is Chinese-American Josie True, a regular girl who becomes involved in intrigue across time and space as she tries to find her inventor-turned-teacher Ms. Trombone. She time travels with one of Ms. Trombone's inventions, the Intellicat. Includes a guide for teachers and parents with lesson plans. For girls 9-11 years of age. We want to give real girls good content and provide real historical rol
Author(s): No creator set

License information
Related content

Advanced Calculus
Some of the topics that this book addresses are: Vector spaces; finite-dimensional vector spaces; differential calculus; compactness and completeness; scalar product space; differential equations; multilenear functionals; integration; differentiable manifolds; integral calculus on manifolds; exterior calculus. Note: this is a 57 MB PDF Document.
Author(s): No creator set

License information
Related content

Dynamical Systems
This book addresses the following topics: Iterations and fixed points; bifurcations; conjugacy; space and time averages; the contraction fixed point theorem; Hutchinson's theorem and fractal images; hyperbolicity; and symbolic dynamics. 151 page pdf file.
Author(s): No creator set

License information
Related content

Athens College, Athens, Alabama
This image is a black and white photograph of Athens College in Athens, Ala. Postcard text (back): C.T. American art black and white.
Author(s): Creator not set

License information
Related content

This image is the property of the Auburn University Libraries and is intended for non-commercial use. Users of the image are asked to acknowledge the Auburn University Libraries. For information about

Magma Generation
This PowerPoint presentation is part of the Whitman College petrology course. The presentation covers the origin of basaltic magmas. Two types of basalt in ocean basins are compared (tholeiitic and alkaline). Composition of mantle-derived magmas and sources of mantle material are listed. Discussion of how the mantle melts, touching on the contribution of volatiles, pressure and composition, is included. The slide show includes figures comparing enriched vs. depleted mantle. This resource is part
Author(s): No creator set

License information
Related content

Geometry Formulas and Facts
This excerpt from the CRC Standard Mathematical Tables and Formulas covers geometry, excluding differential geometry. It is a reference for advanced students, and covers the material in quick, condensed sections of notes. Notes and diagrams are organized into sections and subsections, starting with coordinate systems, plane transformations, lines, and polygons in two-dimensional geometry. The section on three-dimensional geometry covers coordinate systems in space, space symmetries, directions,
Author(s): No creator set

License information
Related content

Crystallography 101
This tutorial on crystallography is broken down into equipment set-up, x-ray diffraction basics, symmetry and space groups, structure factors and phase problems, phasing techniques, model building, and real space correlation plots. Diagrams and interactive topics accompany the text, along with an interactive applet on Bragg's Law.
Author(s): No creator set

License information
Related content

Baseball Cards, 1887-1914
This site presents 2,100 early baseball cards. The cards show such legendary figures as Ty Cobb stealing third base, Tris Speaker batting, and pitcher Cy Young formally posing. Other notable players include Connie Mack, Walter Johnson, King Kelly, and Christy Mathematics and Statisticsewson.
Author(s): No creator set

License information
Related content

Pages 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583