How To: The Best Investigatory Projects in Science: 16 Fun & Easy Ideas to Kickstart Your Project
Most of us have conducted an investigatory science project without even knowing it, or at least without knowing that's what it was called. Most science experiments performed, from elementary to high school students and all the way up to professional scientists, are investigatory projects.
How To: Make Soap Out of Guava Leaf Extract for a Science Investigatory Project
Unless you're a high-schooler building a nuclear fusion reactor, the hardest part of a science investigatory project often is coming up with a good idea. You want it to be cool yet feasible, novel but still useful.
How To: Make Your Own Homemade Glow Sticks
Glow sticks, a popular favor at parties and outdoor events, and a must-have on Halloween, can be traced back to the United States Navy in the mid-1960s. The military desired improved visibility during night operations, and glow sticks, with their small-size portability and lack of batteries, were a perfect tactical solution.
How To: Determine the density of salt water
Everyone floats in the Dead Sea because the amount of salt in water effects the density. Do a hands-on experiment and practice checking density. Here’s a good science experiment to do in class or at home, if you have access to an electronic balance.
How To: Make graphene sheets from graphite flakes and cellophane tape
Andre Geim and Konstantin Novoselov, from the University of Manchester, have just won the Nobel Prize in physics from their work with graphene. They've found a way to isolate graphene from graphite (carbon in pencil lead) and distinguish its behavior, which holds extreme potential for future technology.
How To: Build a Simple Paper Bridge as a Science Experiment
Every day we pass bridges, whether it's a foot bridge, a highway overpass, a span over water, or a viaduct over a valley. We pass on these structures without even thinking of the engineering genius that went into their design and construction, let alone the science behind their strength.
How To: Make nitric acid
Watch this science video tutorial from Nurd Rage on how to make nitric acid. They show three ways to make nitric acid based on two different chemical approaches, both of which can be done using easily accessible materials.
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.
How To: Turn Milk into Strong Natural Glue with Baking Soda and Vinegar
You can do all kinds of unexpected things with milk, like make your own pore strips and invisible ink, or even get rid of red wine stains with it. But did you know that you can also use it to make your own glue?
How To: Instant Ice! How to Waterbend in Real Life
In one of my previous articles, I showed off how to make water freeze into ice instantaneously. In this article, I'd like to elaborate on this, and show how a glass of water can turn to ice instantly on command. What exactly is this supernatural power? Discover the secrets to ice-bending—in real life.
How To: Make boric acid from borax
This is a video tutorial in the Education category where you are going to learn how to make boric acid from borax. For this experiment you will need borax (disodium tetra borate) and conc. hydrochloric acid. Take 25 ml of hydrochloric acid and dilute it with 75 ml of water. Next take 6 - 7 gms of borax and dissolve it in boiling water. Now add equal amount of hydrochloric acid. Crystals of boric acid will start forming. They are completely insoluble in cold water. After about half an hour, fi...
How To: Use red light to preserve night vision when stargazing
Here, you'll see the use of red light to preserve your night vision, in Amateur Astronomy for Beginners - Red Light. Bright lights could make it harder for you to see those stars, so use red light, because the rods in your eyes can take it better.
How To: Make potassium nitrate at home
Believe it or not, there are cheap ways to make potassium nitrate for your chemistry experiments. And the key ingredient… "sodium-free" salt.
How To: Use a Peltier module to create free electricity from heat
A Peltier module allows you to turn heat into electricity. Because you can place it in areas that are normally warm anyway, the electricity created is "free" in a sense, though it does work best when one side of the module is cold and the other is hot. In other words, all you'll need for this project is the Peltier module and a cooler surface such as soil or water, and a warm area such as a well lit window or warm pan.
News: DIY Toys Made From Trash + 100's More Easy Tricks & Experiments
Arvind Gupta is an Indian educator and inventor who makes whimsical, elegant toys from simple and inexpensive materials. His site has hundreds of free project tutorials, with simply outlined instructions in the categories of science, math, astronomy and more. Below, peruse the video gallery and images for a selection of Gupta's inspiring work.
How To: Do a flaming ice experiment
In this fascinating "how to" video, you will see how a simple process creates the illusion of ice that is burning. Only a few items are needed to enact this scientific experiment. As the narrator describes, "Calcium carbide reacts with water to form acetylene gas." To illustrate, the video shows a bowl of ice cubes, to which the special ingredient is added. As the ice melts into water, it reacts with the calcium carbide, forming the high flammable acetylene gas, which is often used in welding...
How To: Compare the densities of ice and vegetable oil
This free video science lesson from Northern Kentucky University demonstrates a simple experiment for comparing the density of ice—frozen water—to vegetable oil. For all of the relevant details, including a list of necessary materials, full step-by-step instructions, and a complete demonstration of the experiment itself, take a look.
How To: Make an astronomical journal
Keep your stargazing sights and new experiences logged in a journal. Watch Amateur Astronomy for Beginners - The Astronomical Journal.
Make Slime Without Borax: 5 Easy Recipes for Gooey Homemade Ooze
One of the only things I remember from watching Nickelodeon as a kid is the epic green slime. Looking back, I don't know what was so great about it, but every kid my age thought that being drenched in slime would be the coolest thing on earth. Of course, the first thing I did was beg my parents to buy me some fake slime, but I never knew I could've easily made my own at home. One of the most common ways to make slime is to combine liquid glue with water and a household chemical called borax. ...
How to Be Your Own SpaceX: Design, Build & Test Liquid-Fueled Rocket Engines
Move over NASA— SpaceX is taking over. Well, not really. But today, the privately funded spacecraft company broke all expectations when their Dragon capsule fell to a soft landing in the Pacific Ocean, completing an undoubtedly successful demo flight of nearly two full trips around Earth. It was the first re-entry of a commercial spacecraft ever, bringing commercial space transportation closer to reality.
How To: Make Black Snake Fireworks With & Without Fire
In this video, I'll be showing you how classic black snakes work and how to make them at home. There are actually two methods covered in the video — one that uses fire and one that does not. So just choose the one that fits best for your situation.
How To: Make oxygen from permanganate and 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.
News: 10 Amazing Optical Illusions
This video is compilation of ten amazing optical illusions: Rooftop Illusion, Color Illusion, Motion Binding Illusion, Crazy Wire Illusion, Duck-Rabbit Illusion, Silver Egg Illusion, Anamorphic Illusion, Water Illusion, Animated Optical Illusion.
How To: Make Glow Powder Out of Household Chemicals
Glowing substances have always held a powerful appeal to people, and making new ones can be a lucrative business. If you need some glow powder for a project of yours, watch this video to learn how to make DIY glow-in-the-dark powder out of normal household chemicals.
How To: Make fireballs you can hold in your hand
This flame you CAN hold, without burning your skin off. Learn to make fireballs you can hold in your hand. This amazing video tutorial shows you how to do it. All you'll need for this little science experiment or fiery weapon is 100% cotton cloth, scissors, lighter fuel, cotton string, and a needle. Be careful to follow the directions in this how-to video carefully otherwise you'll really be playing with fire.
How To: Construct a vinegar battery and power a calculator
Using only vinegar and a few simple materials, it is possible to construct a working battery. This science video tutorial explains how to construct and use a battery like this to power a calculator. A good science project as part of an introductory electricity course. This project can be used as a science fair project or merely for fun. If you've ever wanted to make your own battery, know is the time, this science experiment will show you how.
How To: Make an erupting volcano with baking soda and vinegar
If you love action and adventure then you've come to the right place. Get ready for a red-hot science explosion as the A-TV science superstars show you how to make your very own erupting volcano!
How To: Make chlorine gas with pool chlorine and hydrochloric acid
Chlorine gas is a very useful oxidant, which was first introduced as a toxic weapon by the German Army. Even today, it's still used as a weapon, most recently in the Iraq War by insurgents. But chlorine gas has more useful (and less lethal) applications, and if you want to learn how to make some at home, NurdRage has the answers.
How To: Experiment with pressure using a vacuum
In this video Dr. Carlson does several experiments to illustrate how a vacuum works. A vacuum is created when all the air is removed from an object.
How To: Make nitrogen dioxide in the lab
Love doing science experiments? Want to impress your friends with your science skills and look good? Then you must watch this video.
How To: Sugar & Sulfuric Acid — A Cool Chemical Reaction
Sulfuric acid is mixed with sugar, which is attacked by the acid. The final products are carbon, water vapor, and sulfur dioxide gas.
News: Light dry ice on fire
Impossible, right? Ahh, well science says fire and ice can and do coexist.
How To: Make ammonium chloride from hydrochloric acid and ammonia
This free video science lesson from the Home Scientist demonstrates a simple technique for creating ammonium chloride from hydrochloric acid and ammonia. For all of the relevant details and detailed, step-by-step instructions, as well as to get started trying this experiment yourself, watch this home-science how-to.
News: The Silver Egg Illusion
This requires a dry hen's egg at room temperature. Hold an egg near a candle flame to cover it with soot. It will need to be completely covered. This is tricky, because if the egg is a tiny bit damp the soot will easily flake off on to your fingers as you turn the egg. Once the egg has a nice black sooty coating, gently immerse it in a bowl of water.
How To: Explore Density, Viscosity & Miscibility with a Colorful Layered Liquid Science Experiment
Ever wonder why Jupiter has those colored bands across its surface? Jupiter's enormous mass is made from an array of different liquids, and those fluids do not play well together because of their different makeup. All of the hydrogen- and helium-based fluids are thought not to be miscible, which means that they aren't homogeneous in nature, resulting in strikingly beautiful bands across the planet's surface. But what about viscosity and how that correlates to the development of planets? What ...
How To: Isolate the sugar in a can of soda
In this video from ScienceOnTheBrain we learn how to isolate the sugar in a can of soda. To find out how much sugar is in soda, pour a can into a pot and boil it until all the water is gone. You will be left with the sugar, and then you can weigh it. First weigh your pot before pouring the soda in. Now boil the soda on the stovetop. When the water evaporates, you'll be left with a syrupy sugar. A can of soda has 39 grams of sugar in it. That equates to about 7 1/2 teaspoons. Fruit juice conta...
How To: Perform separation by decantation in the chemistry lab
Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
How To: Purify hydrochloric acid
This video topic was changed. It is now converting muriatic acid to reagent grade hydrochloric acid, HCL).
How To: Make a chemiluminescent reaction with home chemicals
Watch this science video tutorial from Nurd Rage on how to make a chemiluminescent reaction with home chemicals. Make a chemiluminescent singlet oxygen red light pulse from two simple chemicals almost anyone can buy: pool chlorine and hydrogen peroxide.
How To: Make copper sulfate and zinc batteries
Watch this science video tutorial from Nurd Rage on how to make copper sulfate and zinc batteries. They show you how to make the classic copper sulfate and zinc battery using the incredibly easy "gravity" battery design approach. Great for science fairs and similar projects this battery can be used to explore many basic concepts in batteries.
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