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Demonstrations, Directions, and the Steps of the Method Opening Demonstrations Can Crush .................. .............. ........................................ 10 Balloon in a Jar ..................... . ..... ....... ............. ............................. . . 11 Hole in the Water Bottle ............................................................ 12 H am m er and Ruler ............................................... ................................................. 13 Tissue and C up ................................................................................................. . ....... 14 Cup W on't Burn .................... .... ........ ...... ........... ........ ......................... 15 Directions: Building a Good Foundation ...................... ..... ........ .................... .... 16 Follow ing D irections ......................... ........... ...... ........... ... ......................... 17 Giving Directions to Others .................................. ....................... 18 Blindfold Directions ............... ......... ........ .............. ...................... 19 W riting the Problem ..................................................................... ............................ 20 Exam ples of Testable Problem s ...................... .... .. . .. ................................ 21 C onducting R esearch .................... .... .... ....... .... ......................... ................................ 22 Test, Research, Dem onstration, or M odel? ...................... ............................... .... 23 Quiz: Test, Research, Dem onstration, or M odel? ................................................. ... 24 D eveloping a H ypothesis ............................................................. ................................... 25 Practice W riting a Hypothesis .............................. ..... ............ .......... ........ .. 26 P red iction B ox ........................................................ .................... ............................ 2 7 Dissolving Peanuts ...................... .. ........... ....... ......................... 28 W riting the M aterials List ................................................ .. . .................................... 29 W riting th e Procedu re ................... ............ .... ...................... ..................................... 30 M aking a Peanut Butter Sandw ich ............................................. ................... ... 31 Paper C lip D esign ................................................. .......................... .................... 32 Collecting D ata: O bservation Skills ........................................................................ 33 Change is in the Air .......... .......................................................... . ....................... 34 P ean u t Iden tification .......................................................... ...................................... 35 Data M easurem ent and Equipm ent Use ............................................... .......................... 36 M easuring Length in M etrics ................................ .. ........................................ 37 M etric Conversions (Length) ............................................ ................. 38 M easuring the M ass of Objects .................................................... ........................... 39 M easuring and Converting M ass .................................................................................... 40 M easuring and Converting Volum e ............................................... ........................ 41 Conversion of Volum e Units .................................................................................... 43 Density Dem onstrations ............................................................................................ 44 Regular and Diet Drink ................................... ............. ......... ..... 44 Sinking the Aluminum Foil ...................................... 44-45 Density Stack .................................................................................. 45 M easuring and Calculating Density ................................................................................ 46 M etrics Quiz ............................................................................................................. 48 Graphing Data ................................................................................................................ 49 Graphing Exam ples .................................................................................................. 50 W riting the Conclusion ................................................................................................... 52 Sam ple Experim ent W rite-Up .......................................................................................... 53 Scoring Guide for the Experim ent W rite-Up .................................... ............ .............. 56