Chemistry

Make Your Own Nitrous Oxide : Hilarious Science

If you've ever had teeth removed/minor surgery, you most likely received some laughing gas, or nitrous oxide. This gas creates a happy, lightened feeling, and causes instant laughter. In this article, I'll show you how to make some. BUT BE CAREFUL!!! DO NOT proceed in this exp ...more

How To : Keep Garlic from Sticking to Your Hands & Knife

It's a shame that one of the world's tastiest foods can be such a pain to prep. Most cooks are familiar with this conundrum: chopping or crushing garlic releases a pungent liquid that causes bits of garlic to stick your knife and hands, creating a messy affair. So what is goin ...more

How To : Make a Fire Wire (Easy Steel Wool Fireworks)

Once you've reached an age where sparklers are no longer fun, it's time to upgrade to science and steel wool. It may be basic chemistry, but as you'll see in the video, simplicity can amaze more than complexity, as well as create some really impressive fireworks that are perfe ...more

How To : Build a real lava lamp

This is how to make a near professional grade lava lamp. We did this as a chemistry project. We perfected it in a week. This took many hours to do, as we had to get the density just right. We remade it three times, also. At the very end, we combined all of the wax into a huge ...more

How To : Caramelized Sugar—Your New Secret Baking Weapon

Caramel is delicious, but it can be a tricky flavor to incorporate into baking. Traditionally, caramel is a liquid, and that doesn't always suit dessert preparation since adding extra liquid to baked goods can ruin them. So how do you get that buttery, toffee-like flavor? Ent ...more

How To : Rid Your Kitchen of Fruit Flies Once and for All

Even the best-maintained kitchens occasionally get a fruit fly infestation. These critters descend, lay eggs (up to 500 at a time!), and then disappear usually only after extreme cleaning efforts (i.e., finally attacking that weird puddle of goo behind your refrigerator). And ...more

How To : Make charcoal (carbon) by the dehydration of sugar

C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties. This video tutorial wi ...more

How To : Calculate molecular formula using molar mass

The man was requested to solve a short, basic chemistry exercise. He starts by explaining the meaning of the terms involved in the problem: molecular mass, empirical formula and molecular formula. He also explains the way the are connected, for a better understanding of the wa ...more

How To : Make thunder in a test tube with ethanol & acetone

C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties. This video tutorial wi ...more

How To : Make fire water or "Negative X" (Zn, NH4NO3, NaCl)

C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties. This video tutorial wi ...more

How To : Make Sodium Metal

Sodium (chemical symbol Na) is an interesting element. It reacts in contact with both oxygen and water, and several sodium salts are used to produce a yellow color in fireworks. The metallic form has limited uses in chemistry, and is too soft and reactive to be used as a buil ...more

How To : Make Hard Soap with Guava Leaf Extract & Lavender

In our personal experience, the hardest part about a science investigatory project is simply coming up with a good idea. And we suggest that for your investigatory project you find a topic that's both novel and useful. Check out this science tutorial to learn how to make a ba ...more

How To : Make lightning with a spoon and a balloon

In this video, we learn how to make lightning with a spoon and a balloon. First, you will need to gather a spoon and a balloon. Once you have these, blow up the balloon then tie it on the end so it's sealed. After this, rub the balloon on your hair and then slowly move the spo ...more

How To : Turn pennies into silver and gold coins with zinc

One of the most famous and repeated chemistry experiments involves money. Some would say this is more of a trick than an experiment, but you can be the judge of that. No one can just turn pennies into silver or gold coins, but someone with a few chemicals can. So, if you want ...more

How To : Make an Iodine Clock Reaction at Home

In this video, I'll be demonstrating how anyone can make their own iodine clock reaction with simple over-the-counter chemicals. Video: . Household Materials Needed Hydrochloric acid (for cleaning purposes) Hydrogen peroxide (3%) Sodium hydroxide (drain cleaner) Povidone-iodi ...more

How To : Make Ammonium Nitrate with NaHSO4 and Nitrate Salt

OK, so you don't necessarily have to make ammonium nitrate to have ammonium nitrate — ammonium nitrate can simply be obtained from fertilizers and instant cold packs. Making homemade NH4NO3 can be much more expensive then buying it, but this method is not meant to be a viable ...more

How To : Make silver nitrate from silver and nitric acid

Watch this science video tutorial from Nurd Rage on how to make silver nitrate from silver and nitric acid. They show the chemistry of making this cool chemistry, colorless solid. WARNING: This reaction produces toxic nitrogen dioxide gas. Do not perform this reaction indoors ...more

How To : Catch Money on Fire Without Actually Burning It

If you want to convince your friends that money is not an issue, then you can just burn it for real like Walter White. But if you don't really want to destroy your hard-earned cash, this burn trick is perfect for you. It just takes some basic chemistry and a few materials, suc ...more

How To : Things to Do on WonderHowTo (03/28 - 04/03)

WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. Thanks to all of our active moderators and ...more

How To : Make glass mirrors with silver nitrate

Watch this science video tutorial from Nurd Rage on how to make a mirror silvering solution from silver nitrate, ammonia, sugar, and sodium hydroxide. Glass surfaces can be given coatings of silver that make them into mirrors. WARNING: Perform the whole science experiment in ...more

How To : Get lithium metal from an Energizer battery

Watch this science video tutorial from Nurd Rage on how to get lithium metal from an Energizer battery. They show you how to get Lithium Metal from an Energizer Ultimate Lithium battery. There are a great many types of lithium batteries and the particular chemistry of interes ...more

How To : Find percent by mass & percent composition

In chemistry you come across problems which ask you to find the percent by mass and percent composition of each element in a chemical compound. To do this the first step is to compute the molar mass. Use the periodic table to look up the mass of individual atoms and multiply i ...more

How To : Determine enthalpy in the hydration of MgSO4

C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties. This video tutorial wi ...more

How To : Make "elephant toothpaste" with hydrogen peroxide

C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties. This video tutorial wi ...more

How To : 7 Things Bakers Know That You Don't

There's a common saying that separates cooks from bakers: baking is a science, while cooking is an art. When baking, one little misstep can alter the texture, taste, and consistency of any recipe. Yet it doesn't have to be a scary science—forget your not-so-happy high school ...more

How To : Turn a penny into gold

These guys make pennies change color in class. No, it's not real gold, and by the way - no, it's not real gold. Just watch and see how to do real alchemy, like you would in chemistry class.

How To : Things to Do on WonderHowTo (03/07 - 03/13)

WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. Thanks to all of our active moderators and ...more

How To : Calculate percent yield

This video shows you how to calculate the percentage yield in chemistry. To find the percentage yield, you will need to divide the actual yield by the theoretical yield. Then, multiply it by 100: i.e. % yield = actual yield/theoretical yield x 100. An actual yield is the amoun ...more

How To : Make a lemon battery to run a clock

Did you know you could create a battery by using a few items from around the house? Get you and your family "Hooked on Science." You need two electrodes, some wire and some lemons. Check out this demonstration from Hooked On Science to learn more about science firsthand. Brin ...more

How To : Calculate weight average atomic mass of an element

In Chemistry weight of some elements are measure in the form of Average Atomic Mass. Isotopes are found in different abundances in nature. Certain elements have many isotopes and certain elements have few isotopes. Regardless of the number of the natural isotopes, the weighted ...more

How To : Prank wrap a gift

The Slighty Mad Scientist teaches you how to prank someone by making their gift extremely difficult to open. All you need is some styrofoam and a little chemistry. Use this as inspiration for one of your April Fools Day pranks!

How To : Recycle gold from old computer parts

Electronic waste is becoming more and more of a problem for the industrialized world, especially since most electronics are full of precious and rare-earth metals that should be recycled. Even gold! Enter this video. It will show you how you can use chemistry to strip the gold ...more

News : Light dry ice on fire

Impossible, right? Ahh, well science says fire and ice can and do coexist. The Science of this experiment:Dry ice at -109ºF, is frozen carbon dioxide (CO2), not water (H2O). Dry ice is also much colder than a freezer ice cube. To be exact it is almost as cold as Earth's cold ...more

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