Hot Science Experiments How-Tos — Page 24 of 30 « Science Experiments

How To: Correctly use a microscope

In order to teach 7th graders how to act while in the science lab, this 7th grade teacher made her own instructional videos on how to use equipment and act in class. Check out this how to video on the right and wrong ways to operate a microscope.

How To: Prepare animal and plant cells slides

When using a light microscope you need a very thin layer of cells on your slide. This how to video is a simple demonstration how to prepare onion cell Slides and human cheek cell slides.

How To: Focus a light microscope

This how to video teaches you to use a light microscope. This simple demonstration shows how to focus a light microscope and how to work out magnification.

How To: Make an easter egg glow

In this how to video we show you how to make a common easter egg glow with a very simple process. You will need:

How To: Make sodium acetate or a hot ice heating pad

In this how to video, learn to make sodium acetate (hot ice) with household items. Make a heating pad, that is re-usable more than 100 times, with this step by step science experiment.

How To: Make a wind detector

Want to know from which side the wind is blowing? Learn how to make a wind detector with this video tutorial.

How To: Transfer sound over a laser light

Check out this low cost project. This video will show you how to transfer sound over light! Yes, this is possible. You'll transfer a sound with a distance of 5 meters, but you may experiment on greater distances if you'd like. You'll need a laser (or an LED) for this audio project, one Opto transistor (or resistor), one 3-volt battery, two mono audio jacks, and some alligator clips. Just watch this cool electronic audio experiment and try it out yourself.

How To: Create pneumatic power with a hand air pump

Check out this video to see how to make pneumatic power with stuff from your dumpster. Take one empty Tekapur (polyurethane foam) spray can, and one hand air pump, and watch the instructions. Soon, with a wee buit of time and effort, you'll have some cool pneumatic power at your fingertips.

How To: Measure reaction time, lung capacity & jump height

This video shows how scientists use creativity to measure non-obvious things like reaction time, lung capacity and jump height.

How To: Do an insulation experiment

In the video we experiment with several different types of insulation, including paper towels, newspaper and aluminum foil to see which one keeps the heat in the best.

How To: Test the strength of a strand of hair

Learn how to find out exactly how strong a strand of your hair is with this science experiment.

How To: Build a basic electromagnet

This short video helps you understand how electromagnets turn electricity into magnetism.

How To: Understand the concepts behind of Ohm's Law

Watch this educational how to video to review Ohm's Law. This math and physics concept is derived from electric motive forces, intensity of current flow and resistance values of conductor. Watch and learn more about Ohm's Law.

How To: Make magic disappearing foam

Learn how to make cleaning fun with this easy to make magic disappearing foam. Great for magic tricks or just to impress your friends.

How To: Make water glow

Learn how to make water glow with a blacklight and a hi-lighter with this easy experiment.

How To: Conduct a fluorescent pickle experiment

Conduct a fluorescent pickle experiment with tips from this video. Try not to kill or maim yourself with the electricity. Make sure to have paper towels

How To: Do a headspace injection into a GC

Check out this how to video to learn how to do gas chromatography headspace injections. This is for you molecular biologists out there. Do a headspace injection into a GC.

How To: Start a fire using water

Start a fire using water. It is a pretty cool trick. This guy takes a couple of goofy household chemicals and creates a powder that explodes when water touches it.

How To: Open a wooden urn

Learn how to open a wooden cremation urn. Most have four screws that retain the base or inset base. These screws can be removed with a Phillips Screwdriver or electric screwdriver.

How To: Make an ice pack

By adding ammonium nitrate with normal tap water, you can decrease the temperature rapidly to make your own ice pack.

How To: Burn a hot red pepper

Watch to learn how you can take parts of a hot red pepper and burn them to get some different types of flames.

How To: Make an electromagnet with stuff from your junk drawer

Learn how to make an electromagnet using a battery, a nail, a wire, and some paperclips.

How To: Melt a Barbie doll

Learn how to use some acids to melt a plastic doll in a jar.

How To: Add a resonant charging choke to a hydrogen fuel cell

Here are some concepts that Stanley Meyers had related to his patents regarding the Resonant Charging Choke, which is basically Telsa's BiFiler Coil Design, which basically is how to connect the WFC to the bifilar coil for maximum efficiency and if you have higher resistance and impedance than the WFC you can inhibit amp flow and allow voltage to go to the maximum.

How To: Make an acetylene explosion

A demonstration of the explosive potential of even a small amount of acetylene mixed with the right amount of oxygen. Watch to learn how to do this yourself. Make sure to wear goggles and stand at a safe distance when making your own acetylene explosion.