science_fair_project_and_research Home
Previous page 2 of 4 Next
10-picture_of_rock-before_applying_liquids 11-scrubbing_with_toothbrush_applying_bleach-no_effect 13-scrubbing_with_toothbrush_applying_acetone-success,but_smoothed_and_eroded_rock 14-scrubbing_with_toothbrush_applying_vinegar-success
10-picture_of_ro... 11-scrubbing_wit... 13-scrubbing_wit... 14-scrubbing_wit...
16-scrubbing_with_toothbrush_applying_Goof_Off-success 18-picture_of_rock-after_applying_liquids-acetone_best_but_eroded_rock,Goof_Off_second,then_vinegar 19-trail_2_final_results 20-final_trail-scrubbing_with_toothbrush_applying_acetone
16-scrubbing_wit... 18-picture_of_ro... 19-trail_2_final... 20-final_trail-s...

12-scrubbing_with_toothbrush_applying_bleach-no_effect-1080p.mp4 - (150 MB)

15-scrubbing_with_toothbrush_applying_vinegar-success-hand_getting_very_tired_scrubbing-1080p.mp4 - (56 MB)

17-scrubbing_with_toothbrush_applying_Goof_Off-success-1080p.mp4 - (61 MB)