Hot Education How-Tos
How To: Make Oobleck
Oobleck is a cool substance that is not quite liquid or solid. Don't believe me, then try for yourself!! All you need is a couple of household ingredients!!
How To: Multiply by 11 Faster Than a Calculator
Yes, with this simple technique you can multiply 2 digit numbers in your head. The video also reviews a really easy method for multiplying larger numbers by 11 in a simple fashion.
How To: Multiply Any Number by 11 Easily
This video shows two techniques for multiplying any number by 11. Using these techniques you will find it is easier than using a calculator.
How To: Find the Radius of a Circle from Arc Length
The video provides two example problems for finding the radius of a circle given the arc length. Problem one finds the radius given radians, and the second problem uses degrees.
How To: Find the Surface Area of a Cylinder.
Step by step directions for finding the surface area of a cylinder. In order to calculate the surface area of the cylinder you find the area of the two bases and add this to the lateral area.
How To: Find the Volume of Composite Figures (Also Called Composite Shapes)
Composite figures are composed of several geometric shapes and are three-dimensional shapes. The first composite shape is a combination of a rectangular prism and a pyramid. To find the volume of the entire shape you find the volume of each individual shape and add them together. The second figure consists of a cylinder and a hemisphere. Check out the video below for the full lesson.
How To: Find the Volume of a Truncated Pyramid.
A truncated pyramid (frustum) is a pyramid with the top cut off. This video reviews how to find the volume.
How To: Heavy Water & Light Ice Experiment
Heavy Water & Light Ice Experiment. What happens? Ice floating over vegetable oil but it decreases in baby oil.
How To: Classify a Triangle as an Isosceles Triangle.
Video: . What is an isosceles trapezoid. The video goes over the properties that are unique to an isosceles trapezoid.
How To: Simplify Square and Cube Roots
Whenever you simplify a square root or a cube root you are writing them in the simplest form. This video teaches a factoring method.
How To: Complete the Square of a Quadratic Function.
How to use "we half it,we square,we add it to both sides" when using the complete the square" This method can help make a complex Math problem a little bit easier.
How To: Add Fractions Without a LCM
This video has 7 fraction hacks that can save you time when working with fractions. The hacks are: Adding fractions without a LCM
How To: Find the Sector Area
The sector area is a section of the circle. You can think of it as finding the area of a pizza slice instead of the entire pizza.
How To: Simplify Complex Fractions
The key to simplifying fractions is to convert the fraction from a hamburger to a hot dog. In other words you change it from a fraction to a division problem, and then use Keep,Change,Flip to simplify. The video explains all of this and helps make complex fractions,simple.
How To: Change a Quadratic from Vertex Form to Standard Form.
The Vertex Form of a Quadratic Equals Vertex Form = F(X) = a(X-H)^2 +K (H,K) = Vertex, and the standard form equals f(x) = ax^2 + bx + c. This video explains how you switch from the vertex form to the standard form.
How To: Find the Perimeter of a Rectangle
If you have a rectangle and the length of only one side is given,how do you find the perimeter. The video shows how the diagonal creates a right triangle. This right triangle can be used to find the other side of the triangle, and then the perimeter.
How To: Simplify Complex Fractions
Complex fractions are fractions that contain a fraction in the numerator,the denominator, or both. You can use the Keep,Change,Flip method in order to simply these complex fractions.
How To: Here's How You Can Make a Real Difference in the Aftermath of the Michael Brown & Eric Garner Grand Jury Decisions
In the aftermath of the unindicted police killings of Michael Brown and Eric Garner, we've been told that the system worked as intended. When our legal system's outcome is at conflict with what a majority of Americans believe is just, it's clear that some changes are needed. But what specifically needs to change? And what can an average citizen with a moral and just cause do to prevent these kinds of tragedies from repeating themselves again and again?
How To: Make Slimy Teenage Mutant Ninja Turtle Ooze at Home
It's been a minute since Michael Bay released his tragedy of a remake of Teenage Mutant Ninja Turtles. As a huge fan of the cartoon and the movies from the '90s, I have made it a point to not watch the latest this franchise has to offer—I'm certainly not in the business of ruining my childhood. But the awfulness of the remake aside, the TMNT resurgence means I'm celebrating the comeback of everybody's favorite teenage reptiles. Thankfully, Todd's Kitchen has a tutorial for mutant ooze that's ...
How To: Make a Fire with a Magnifying Glass
Here is a video that shows 90 seconds that could save your life. How to actually MAKE A FIRE with a lens, rather than just burning a hole in a leaf. (Or frying ants, which seems to be the other thing that kids like to do with magnifying glasses.)
How To: Separate Batteries, Good from Bad
A simple method to test any alkaline battery in seconds! Works on AA, AAA, C, D batteries. You can separate good from bad.
How To: Work a Tension Problem
In this video tutorial I will be explaining how to work a tension problem. Usually these problems are found during a Newtons laws unit in physics. I am currently in physics and I thought I might share my strategy and work to help you guys succeed in the problems. Thank You. The video was made with Explain Everything. Also, please check out my youtube channel. It is new and I pasted a link for you guys to check out. Like comment and subscribe!
How To: Make Quicksand at Home Using Cornstarch & Water
Creating awesomely messy slops of DIY slime and curdled fake blood isn't something new—we even have guides on making Dr. Seuss-friendly Oobleck and the radioactive green ooze that created my childhood favorite Teenage Mutant Ninja Turtles (minus the radioactive part, of course).
How To: Make an Alternative Way to Cook Food
There is always an easier way to do something whether you want to clean, organize, freshen the smell, get water into a bucket that won't fit in your sink. The same principle applies when cooking. Sure you could cook food in an oven, microwave it, boil it, fry it, cook it with a solar cooker, but there is an easier and inexpensive method.
How To: Create a Water Vacuum
Water is such an essential substance for so many facets of life. Why not experiment with it? This experiment will teach you how to create a water display like those Japanese water falls.
How To: Divide Any Number with 5 in Just a Few Seconds
Fast maths tricks!
How To: Make Ocean in a Bottle - Super Cool Science Experiment
Cool Science Experiment with water and Cooking Oil.
How To: The 5 Best Dry Ice Party Tricks & Pranks
There's no reason to wait for Halloween to play with dry ice. It definitely creates a creepy fog-like effect when you add a little water to it, but there are some other really cool things you can do wit dry ice. Here are just 5 non-Halloween ways to use dry ice for tricks or pranks.
How To: Make Pancake Syrup Turn Blue When You Shake It with This Color Changing Experiment
In this video, I will show you how to perform the color-changing, blue bottle experiment with common household products.
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 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.
How To: Make Green Fire from Laundry Booster
In this guide, you'll learn how to make your own boric acid from borax and other common chemicals to produce a green flame when mixed with methanol.
How To: Use Pattern Blocks Art in the Classroom
This HowTo is about using Pattern Blocks in the classroom. All you need is a classroom set of pattern blocks and a camera. Each student or group of students is given a set of pattern blocks and a time limit. The assignment: make an artwork that illustrates the concept of symmetry, small enough to fit on a single student desk. When the art is finished, take a photograph of it and then let the students vote to choose their favorites.
How To: Create Toxic-Free Green Slime (Makes a Perfect Kid Toy)
This slime is toxic-free and can be used as either a kid toy or to make a great prank. This slime can be made in just a few minutes and doesn't require much for materials. Our video explains in detail how to accomplish this project with step-by-step instructions.
How To: Instantly Ice Soda into a Frozen Slushy
In this Quick Clip, I'll be showing you how a supercooled soda is transformed into a slushy "slurpee" in under 4 seconds. I was inspired to do this little soda trick by The Super Effect's video on YouTube from a few years ago.
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.
How To: Make Magic Sand
Video: .
How To: Karate Chop a Paint Stick with Help from Air Pressure and a Plastic Bag
How heavy is a plastic bag? Not very heavy at all, but in order to use a plastic bag to help me karate chop a thin wooden stick, I don't need weight—I need air pressure. Below, the "Quick Clip" demonstrates the power of air pressure via the vacuum created between a plastic bag and the countertop.
How To: Deflate and Reinflate Balloons Using Liquid Nitrogen
In this "Quick Clip," I tried dunking inflated balloons into a container filled with liquid nitrogen until they were completely flattened and seemingly destroyed. Once out of the liquid nitrogen, the balloons come back to life and reinflate on their own—without even touching them!
How To: Make an Electric Firebolt
A lot of my hacks use salvaged parts from an old microwave, with the microwave oven transformer (MOT) being the most useful component.