Make Dry Ice Bombs
Edited by David Collins, Eng, Doug Collins
This Experiment Should Only be Completed Under the Supervision of a Professional
Materials you will need
- Empty small water bottles OR large pop bottles.
- Dry ice which you can get from your local gas store.
- Readily available hot water.
Make sure your tap can produce hot water. Run the tap for a while, then once the water is hot enough: take your bottle, unscrew the cap and fill it with hot water 3 quarters of the way to the top. Screw the cap back on to keep the water hot in the mean time.
When you're ready to detonate, take your bottle of hot water, unscrew the cap, then place the cube of dry ice inside the water bottle. Shortly after, you must tightly screw the cap back on the water bottle when ready to detonate. This will give you a couple second window to throw your bomb until it explodes due to the pressure of the dry ice expanding inside. This should only be done under supervision of an adult! You should always handle dry ice with care since you can severely burn your hands when using it.
Unscrew the cap on your bottle, then carefully take your dry ice cubes and place them inside the water bottle. Use about 2-3 cubes depending on the size of the bottle.
Quickly close the cap on your bottle. Throw it where you would like it to explode, then run to a safe distance.
When using a larger bottle, the same procedure should ensure a great detonation. Keep in mind that a larger bottles means a louder and more dangerous explosion. Place a few dry ice cubes inside, screw the cap back on tightly, then throw the bottle while running to safety.
How to safely detonate a dry ice bomb that has not exploded.
Problem: Not enough water was added to the bottle, causing the pressure to build up but not reach an explosion. The solution: Use a BB gun to shoot the bottle in order to relieve the pressure. DO NOT TRY THIS AT HOME.
Using the BB gun to detonate a dry ice bomb that won't explode.
Throwing a ball at the bottle to give a better angle for the shot. Do not walk close to the bottle or touch it when the pressure is high since it could explode at any moment.
We shot the bottle puncturing a hole and relieved the pressure.
Let's explode another medium sized bottle with 3 cubes of dry ice. You should always be at least 10 meters away from the dry ice bomb once it has been prepared and thrown. Even if it looks like the bottle won't explode, don't walk close to it since it could still detonate at any moment.
In this case, we waited 2 minutes until it exploded.
Look at the aftermath of this bomb! Pretty crazy stuff. Make sure to stay safe and detonate from a far range.
Video: Make Dry Ice Bombs
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Recent edits by: Eng, David Collins