GoNorth! Greenland 2010! CAAG

-ODULE s #LIMATE#ASE3TUDY
3TUDENT0AGE
C
/RGANIC7ATER4ESTING
$ISSOLVEDORGANICCARBON$/# INWATERHASANIMPACTONTHECLIMATEAND#/

LEVELS#ARBONISIN
EVERYTHINGINCLUDINGLIVINGPLANTSANDANIMALS7HENTHEYDIEBACTERIAANDOTHERORGANISMSEAT
THEMRELEASINGTHISCARBONINTHEFORMOFCARBONDIOXIDE"YMEASURINGLEVELSOF$/#INWATERWE
GETASENSEOFHOWAPARTICULARSTREAMORRIVERFITSINTOTHISCARBONPUZZLE
3CIENTISTSUSECOMPLICATEDANDEXPENSIVEINSTRUMENTSTOMEASURE$/#CONCENTRATION4HESEINSTRUMENTS
FIRSTCONVERTALLOFTHE$/#TOCARBONDIOXIDEANDTHENTHEINSTRUMENTMEASURESTHECARBONDIOXIDE
CONCENTRATION"UT$/#CONCENTRATIONCANALSOBEESTIMATEDBYMEASURINGOREVENJUSTLOOKINGAT
THECOLOROFTHEWATER4HAT ISBECAUSETHATMANYOFTHECOMPOUNDSTHATMAKEUPDISSOLVEDORGANIC
CARBONHAVEABROWNISH
YELLOWCOLORSOTHEDARKERTHECOLORTHE HIGHERTHE$/#CONCENTRATIONIS
4HISPROPERTYALLOWSYOUTOMAKEASTANDARDAKINDOFVISUALRULERTHATYOUCANUSETOMEASURETHE
$/#CONCENTRATIONINSAMPLESYOUCOLLECT
0ART)#REATINGTHE3TANDARD
9OULBEGINL BYMAKINGYOURhRULER4OvDOTHISYOUWILLMAKEASOLUTIONTHATCONTAINSAPPROXIMATELY
MILLIGRAMSPERLITEROF$/#4HENYOUWILLDILUTEITTOMAKEARANGEOFSOLUTIONSWITHAKNOWN
CONCENTRATIONOF$/#)NTHEENDYOURhRULERvWILLLOOKSOMETHINGLIKETHIS
4SPEV,YWO]GSQ
¥./-!$3/NLINE#LASSROOM%XPEDITIONS'O.ORTH'REENLAND#URRICULUM
Page 1 | Page 2 | Page 3 | Page 4 | Page 5 | Page 6 | Page 7 | Page 8 | Page 9 | Page 10 | Page 11 | Page 12 | Page 13 | Page 14 | Page 15 | Page 16 | Page 17 | Page 18 | Page 19 | Page 20 | Page 21 | Page 22 | Page 23 | Page 24 | Page 25 | Page 26 | Page 27 | Page 28 | Page 29 | Page 30 | Page 31 | Page 32 | Page 33 | Page 34 | Page 35 | Page 36 | Page 37 | Page 38 | Page 39 | Page 40 | Page 41 | Page 42 | Page 43 | Page 44 | Page 45 | Page 46 | Page 47 | Page 48 | Page 49 | Page 50 | Page 51 | Page 52 | Page 53 | Page 54 | Page 55 | Page 56 | Page 57 | Page 58 | Page 59 | Page 60 | Page 61 | Page 62 | Page 63 | Page 64 | Page 65 | Page 66 | Page 67 | Page 68 | Page 69 | Page 70 | Page 71 | Page 72 | Page 73 | Page 74 | Page 75 | Page 76 | Page 77 | Page 78 | Page 79 | Page 80 | Page 81 | Page 82 | Page 83 | Page 84 | Page 85 | Page 86 | Page 87 | Page 88 | Page 89 | Page 90 | Page 91 | Page 92 | Page 93 | Page 94 | Page 95 | Page 96 | Page 97 | Page 98 | Page 99 | Page 100 | Page 101 | Page 102 | Page 103 | Page 104 | Page 105 | Page 106 | Page 107 | Page 108 | Page 109 | Page 110 | Page 111 | Page 112 | Page 113 | Page 114 | Page 115 | Page 116 | Page 117 | Page 118 | Page 119 | Page 120 | Page 121 | Page 122 | Page 123 | Page 124 | Page 125 | Page 126 | Page 127 | Page 128 | Page 129 | Page 130 | Page 131 | Page 132 | Page 133 | Page 134 | Page 135 | Page 136 | Page 137 | Page 138 | Page 139 | Page 140 | Page 141 | Page 142 | Page 143 | Page 144 | Page 145 | Page 146 | Page 147 | Page 148 | Page 149 | Page 150 | Page 151 | Page 152 | Page 153 | Page 154 | Page 155 | Page 156 | Page 157 | Page 158 | Page 159 | Page 160 | Page 161 | Page 162 | Page 163 | Page 164 | Page 165 | Page 166 | Page 167 | Page 168 | Page 169 | Page 170 | Page 171 | Page 172 | Page 173 | Page 174 | Page 175 | Page 176 | Page 177 | Page 178 | Page 179 | Page 180 | Page 181 | Page 182 | Page 183 | Page 184 | Page 185 | Page 186 | Page 187 | Page 188 | Page 189 | Page 190 | Page 191 | Page 192 | Page 193 | Page 194 | Page 195 | Page 196 | Page 197 | Page 198 | Page 199 | Page 200 | Page 201 | Page 202 | Page 203 | Page 204 | Page 205 | Page 206 | Page 207 | Page 208 | Page 209 | Page 210 | Page 211 | Page 212 | Page 213 | Page 214 | Page 215 | Page 216 | Page 217 | Page 218 | Page 219 | Page 220 | Page 221 | Page 222 | Page 223 | Page 224 | Page 225 | Page 226 | Page 227 | Page 228 | Page 229 | Page 230 | Page 231 | Page 232 | Page 233 | Page 234 | Page 235 | Page 236 | Page 237 | Page 238 | Page 239 | Page 240 | Page 241 | Page 242 | Page 243 | Page 244 | Page 245 | Page 246 | Page 247 | Page 248 | Page 249 | Page 250 | Page 251 | Page 252 | Page 253 | Page 254 | Page 255 | Page 256 | Page 257 | Page 258 | Page 259 | Page 260 | Page 261 | Page 262 | Page 263 | Page 264 | Page 265 | Page 266 | Page 267 | Page 268 | Page 269 | Page 270 | Page 271 | Page 272 | Page 273 | Page 274 | Page 275 | Page 276 | Page 277 | Page 278 | Page 279 | Page 280 | Page 281 | Page 282 | Page 283 | Page 284 | Page 285 | Page 286 | Page 287 | Page 288 | Page 289 | Page 290 | Page 291 | Page 292 | Page 293 | Page 294 | Page 295 | Page 296 | Page 297 | Page 298 | Page 299 | Page 300 | Page 301 | Page 302 | Page 303 | Page 304 | Page 305 | Page 306 | Page 307 | Page 308 | Page 309 | Page 310 | Page 311 | Page 312 | Page 313 | Page 314 | Page 315 | Page 316 | Page 317 | Page 318 | Page 319 | Page 320 | Page 321 | Page 322 | Page 323 | Page 324 | Page 325 | Page 326 | Page 327 | Page 328 | Page 329 | Page 330 | Page 331 | Page 332 | Page 333 | Page 334 | Page 335 | Page 336 | Page 337 | Page 338 | Page 339 | Page 340 | Page 341 | Page 342 | Page 343 | Page 344 | Page 345 | Page 346 | Page 347 | Page 348 | Page 349 | Page 350 | Page 351 | Page 352 | Page 353 | Page 354 | Page 355 | Page 356 | Page 357 | Page 358 | Page 359 | Page 360 | Page 361 | Page 362 | Page 363 | Page 364 | Page 365 | Page 366 | Page 367 | Page 368 | Page 369 | Page 370 | Page 371 | Page 372 | Page 373 | Page 374 | Page 375 | Page 376 | Page 377 | Page 378 | Page 379 | Page 380 | Page 381 | Page 382 | Page 383 | Page 384 | Page 385 | Page 386 | Page 387 | Page 388 | Page 389 | Page 390 | Page 391 | Page 392 | Page 393 | Page 394 | Page 395 | Page 396 | Page 397 | Page 398 | Page 399 | Page 400 | Page 401 | Page 402 | Page 403 | Page 404 | Page 405 | Page 406 | Page 407 | Page 408 | Page 409 | Page 410 | Page 411 | Page 412 | Page 413 | Page 414 | Page 415 | Page 416 | Page 417 | Page 418 | Page 419 | Page 420 | Page 421 | Page 422 | Page 423 | Page 424 | Page 425 | Page 426 | Page 427 | Page 428 | Page 429 | Page 430 | Page 431 | Page 432 | Page 433 | Page 434 | Page 435 | Page 436 | Page 437 | Page 438 | Page 439 | Page 440 | Page 441 | Page 442 | Page 443 | Page 444 | Page 445 | Page 446 | Page 447 | Page 448 | Page 449 | Page 450 | Page 451 | Page 452 | Page 453 | Page 454 | Page 455 | Page 456 | Page 457 | Page 458 | Page 459 | Page 460 | Page 461 | Page 462 | Page 463 | Page 464 | Page 465 | Page 466 | Page 467 | Page 468 | Page 469 | Page 470 | Page 471 | Page 472 | Page 473 | Page 474 | Page 475 | Page 476 | Page 477 | Page 478 | Page 479 | Page 480 | Page 481 | Page 482 | Page 483 | Page 484 | Page 485 | Page 486 | Page 487 | Page 488 | Page 489 | Page 490 | Page 491 | Page 492 | Page 493 | Page 494 | Page 495 | Page 496 | Page 497 | Page 498 | Page 499 | Page 500 | Page 501 | Page 502 | Page 503 | Page 504 | Page 505 | Page 506 | Page 507 | Page 508 | Page 509 | Page 510 | Page 511 | Page 512 | Page 513 | Page 514 | Page 515 | Page 516 | Page 517 | Page 518 | Page 519 | Page 520 | Page 521 | Page 522 | Page 523 | Page 524 | Page 525 | Page 526 | Page 527 | Page 528 | Page 529 | Page 530 | Page 531 | Page 532 | Page 533 | Page 534 | Page 535 | Page 536 | Page 537 | Page 538 | Page 539 | Page 540 | Page 541 | Page 542 | Page 543 | Page 544 | Page 545 | Page 546 | Page 547 | Page 548 | Page 549 | Page 550 | Page 551 | Page 552 | Page 553 | Page 554 | Page 555 | Page 556 | Page 557 | Page 558 | Page 559 | Page 560 | Page 561 | Page 562 | Page 563 | Page 564 | Page 565 | Page 566 | Page 567 | Page 568 | Page 569 | Page 570 | Page 571 | Page 572 | Page 573 | Page 574 | Page 575 | Page 576 | Page 577 | Page 578 | Page 579 | Page 580 | Page 581 | Page 582 | Page 583 | Page 584 | Page 585 | Page 586 | Page 587 | Page 588 | Page 589 | Page 590 | Page 591 | Page 592 | Page 593 | Page 594 | Page 595 | Page 596 | Page 597 | Page 598 | Page 599 | Page 600 | Page 601 | Page 602 | Page 603 | Page 604 | Page 605 | Page 606 | Page 607 | Page 608 | Page 609 | Page 610 | Page 611 | Page 612 | Page 613 | Page 614 | Page 615 | Page 616 | Page 617 | Page 618 | Page 619 | Page 620 | Page 621 | Page 622 | Page 623 | Page 624 | Page 625 | Page 626 | Page 627 | Page 628 | Page 629 | Page 630 | Page 631 | Page 632 | Page 633 | Page 634 | Page 635 | Page 636 | Page 637 | Page 638 | Page 639 | Page 640 | Page 641 | Page 642 | Page 643