By adding ammonium nitrate with normal tap water, you can decrease the temperature rapidly to make your own ice pack.
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Make Slime Without Borax:
5 Easy Recipes for Gooey Homemade Ooze
How To:
The Best Investigatory Projects in Science: 16 Fun & Easy Ideas to Kickstart Your Project
Stephen Hawking:
HowTo Build a Time Machine
How To:
Insert a needle in a inflated balloon without popping
How To:
Make a self inflating balloon
How To:
Make This Amazing 9-Layer Density Tower from Things Found in Your Kitchen
How To:
Make Soap Out of Guava Leaf Extract for a Science Investigatory Project
How To:
Make a Monster Dry Ice Bubble
How To:
Make a chemiluminescent reaction with home chemicals
How To:
Build a Simple Paper Bridge as a Science Experiment
How To:
Make Water Freeze into Ice Instantaneously
How To:
Determine the empirical and molecular formulas for a compound in chemistry
How To:
Make Ammonium Nitrate with NaHSO4 and Nitrate Salt
How To:
Instant Ice! How to Waterbend in Real Life
How To:
Create napalm
How To:
Make DIY Nitrogen Triiodide from ammonia & water purification iodine crystals
How To:
Extract DNA from a Strawberry with Basic Kitchen Items
How To:
Make a Crazy Foam Explosion Science Experiment
How To:
Make a Paper Plate Speaker That Actually Works for Under $1
News:
Vortex Cannon Demolishes House
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