Do you need help in math? Unable to calculate the surface area of a rectangular prism? This video helps you understand how to calculate the surface area of a rectangular prism. By showing each step required to calculate the surface area of a prism and a detailed explanation of ...more
Have a 3 dimensional figure that you can not figure out the surface area? This video teaches the fundamental concepts and techniques of figuring out the surface area of a 3 dimension figure. In this video, the specific shape will be a rectangular prism. The video will assist i ...more
These two math sixth-graders show us how to find the surface area of a rectangular prism. They used a tablet PC and the screen-capturing software, Camtasia Studio. If you always wanted to know how to calculate the area of a prism, then ...more
In this video, we learn how to find the surface area of a prism using a specific example. First you will need to find the base and height of your prism. If the base edge is 6 and the height is 8 you will do the equation Area= 1/2 bh. Doing this math out on your calculator, you ...more
With mathematics, as with anything else, not everyone progresses at the same rate. Geometry is no exception. Happily, in the age of Internet video tutorials, this isn't a problem. Those who progress quickly can go beyond what's being taught them and those who are struggling li ...more
From the people who brought you the Dummies instructional book series, brings you the same non-intimidating guides in video form. This is Mathematics for Dummies. Just watch this video tutorial to learn how to find the surface area of a surface revolution, For Dummies. The su ...more
In this how to video, you will learn how to find the volume of a sphere and surface area. Let's say you need to find the volume of a sphere with a surface area of 200 cm cubed. You will need to know the formulas for surface area and volume of a sphere. The formula for surface ...more
This video tells us the method to find the surface area of an aluminium can or cylinder. The surface area includes the outside area of the curved portion and the aluminium top and bottom. The formula to find area is the multiple of 2, pi, r, r+h or (2)(pi)(r)(r+h). The radius ...more
A pyramid is a three dimensional figure with the base in the form of a triangle and three slant sides to it. To find the surface area of a pyramid you have to find the area of the different pieces that make it up. The pyramid base can be triangle or even other geometric figure ...more
The video describes the "Calculation of the surface area of the cone without a slant". If the base circle diameter (d) and the height of the cone (h) are known, then the following procedure can be used for finding out the surface area oh the cone: Surface area of the cone is ...more
In this video tutorial the author shows how to find the surface area of a cylinder. He shows a four step approach to solve this problem. First he gives us a formula to find the surface area of a cylinder, where Surface area A = 2 * Pi * R * R + 2 * Pi * R * H, where R is the r ...more
Check out this instructional science video that teaches you about surface area. This is a NISE network demo training video for how to do a demonstration about surface area. By watching the step by step instructions outlined in this science tutorial video, you can learn all abo ...more
In this tutorial the instructor shows how to compute the Surface Area of a Cone. He explains that you need to find the individual surfaces areas first. Hence the bottom part of the cone which is circular can be calculated as Pi*r*r, where r is the radius of the base circle. No ...more
In this tutorial the instructor shows how to find the surface area of a sphere. He explains the equation to calculate the surface area of a sphere as 4 * Pi * r * r , where r its the radius of the sphere. Now if you have the radius of the sphere, by substituting its value in t ...more
In this tutorial, the instructor shows how to compute the surface area of a regular pyramid. A regular pyramid has four equal sides which are in triangle form, and the base in square form. Its surface area is four times the area of its side plus the area of its base. He goes o ...more
This video both shows the viewer how to calculate the volume and surface area of a cylinder. It also explains what these different numbers mean. The volume is the amount of ‘matter’ that the cylinder can hold. The surface area is literally the area of the cylinders curved face ...more
Finding the surface area of a pyramid is a bit different than finding the surface area of a 2D triangle. But, don't be scared, it is not as hard as it sounds. Have a look at this tutorial, and learn exactly how to find the area of a 3D object, specifically a pyramid. The good ...more
In this video, we learn how to find the surface area of a cube. Finding the surface area of a cube is something everyone will have to do in math. The easy formula to figure out this is: surface area= side x side x 6. Your first step to figuring out the problem is to find the l ...more
In this how-to video, the author, , Davitily, has a simple drawn out diagram of a cone figure and it's measurements, and also has the mathematical formula of how to find the surface area of this and any other cone figure. The video does not have sound, but it does have an ani ...more
With mathematics, as with anything else, not everyone progresses at the same rate. Geometry is no exception. Happily, in the age of Internet video tutorials, this isn't a problem. Those who progress quickly can go beyond what's being taught them and those who are struggling li ...more
First of all cut of the top and the bottom of the cylinder to get two circles. Now take a scissors and cut of the cylinder into two halves from the top to the bottom as shown. Now you get a rectangle shape. You can easily measure the length of the cylinder but to measure the b ...more
Math always seems hardest until someone shows you how to do the problem and then it all seems just so simple. This video will walk you through the process of finding the surface area of a cone when you also have to derive the slant height. Use this example to help with your ot ...more
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. Video: . Surface Area of a Cylinder. Surface Area of a Cylinder explained,examples,an ...more
Viewers learn that a net is the shape formed by "unfolding" a 3-dimensional figure, so a net shows all the faces that make up the surface area of the figure. Viewers are then asked to determine what type of 3-dimensional figure can be made from a given net (note that a cylinde ...more
Math class got you down? We all know sixth grade mathematics is where we all start to lose it. We get frustrated with all of those numbers, try to figure it out, but ultimately flunk out or barely pass the class. Maybe the teacher just wasn't good enough to educate us, who kno ...more
Creating any object you want is as simple as point and click if you have a 3D printer at home. If you don't have one handy, there are a few companies that offer printing services online. But to help services realize your design in extruded plastic, you have to make a 3D comput ...more
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
It's currently 2011, but when you fire up your game console, put your hands on the controller and play the new Dead Space 2 video game, you're warped into the future— into the year 2511— just 3 years after the events that took place in the first Dead Space. And it's sure to be ...more
Fire. It’s everywhere— always has been. From the Ordovician Period where the first fossil record of fire appears to the present day everyday uses of the Holocene. Today, we abundantly create flames (intentionally or unintentionally) in power plants, extractive metallurgy, i ...more
Brussels sprouts get a bad rep (mostly from picky kids), but they're actually super delicious if you prepare them right. Caramelized brussels sprouts bring out the best flavor because doing so exposes more of brussel sprouts' surface area to the pan. Check out this video to l ...more
Don't get burned playing with fire——know how to play with it right, just like those crazy magicians do when it comes to magical fireballs that you can hold in your hand. You can juggle them, too, but you need to know the secret to making them safely. For these magical handhel ...more
Ever watch a cheesy movie and say "That monster is so FAKE!" but not really understand why? Well monstrous monsters are governed by a little biological rule called the Square-Cube Law, a scientific term combining math, anatomy and physics into one educational tool to recognize ...more
Now that Minecraft is officially Minecraft Beta, it's time to do some of your own enhancements, and skins are a great start. Minecraft skins are a way to personalize your gaming experience, giving your Minecraft character the wardrobe that best suits him or her. You can make ...more
Leigh Ramsdell and Hal Brindley with The Environmentals discuss how to build a worm composting bin. To build a worm composting bin, you will need a plastic tub or a box with a lid. Calculate one square foot of surface area per pound of worms. A pound of worms can process a hal ...more
An emergency battery charger for your mobile phone comes in handy, but it's not the ultimate solution; once it's dead it's useless (what a waste). If you want to really get off the metaphorical grid, you can follow the steps in this video to construct a more robust circuit tha ...more
Acne develops when pores become blocked with dead skin cells and oil. They usually disappear over time but sometimes they leave a scar. When those blemishes form white blood cells rush to the surface to help heal the area. But occasionally a scar forms. Popping and picking can ...more
Ladder stitch in hand embroidery can be one of two stitches. There's the surface embroidery technique that creates a decorative band that looks a lot like a ladder, with edges that look like a chain stitch. There's also a drawn thread technique called ladder stitch that produc ...more
Learning Style What kind of learner are you? There are three different ways people learn: Auditory learner: A person who learns best by listening. This type of person will benefit best by finding someone to study with, to ask each other questions, and to read the study mater ...more
Assuring A Proper Repair When Welding Vehicle Sheet Metal Any weld that is performed on a vehicle requires certain steps to assure a proper repair. For example, weld-through-primer must be applied to the welded surface being welded; corrosion protection must be applied to the ...more
In this video, we learn how to use a rotary cutter with Kenneth D King. Before you begin, make sure to use a cutting mat so you don't damage the top of your surface. To cut your item, you simply place the rotary cutter on the bottom of the item, then run it through until you h ...more
Gather Supplies Ready to make the best Scrabble tile pendant possible? This easy tutorial will show you how to make your own custom necklace out of a Scrabble® tile. It will take about 1 hour of work, but there is time needed to let the pendant dry and cure. Ready to start? ...more
This helpful video gives simple step by step instructions on how to find area and volume of prisms. To find the area of a prism you must first find the area of the base, it may be rectangular, triangular, or otherwise. You must then multiply the area of the base times the heig ...more
Steps involved in calculating the lateral surface and total area are: Consider a cylinder with radius r, height h. Then to find lateral area we need the formula 2*pi*r*h, circumference - 2*pi*r, total area 2*pi*(r+h) and area of circle (pi^2)*r. Therefore by using only the ra ...more
This video teaches how to increase the surface area of the support under your tripod by using snow shoes. You can get snow shoes from various manufacturers. The bottom of the snow shoe has a very wide surface area. You can compare this with the width of the tripod base. The sn ...more
Watch this instructional carpentry video to woodwork a lock miter joint with a lock miter bit and set up block. Join materials at 90° by cutting a 45° miter and a matching tongue and groove glue joint. This joint not only increases mechanical strength, but also increases glue ...more
Burns are an injury to the body that can range from a sunburn to severe tissue damage. Burns are classified by the tissue and surface area affected. This first aid how-to video will show you how to treat a person who has been injured at work. Watch to learn great first aid tip ...more
A lab exercise that demonstrates how evaporation of water lowers the temperature. Also, how surface area affects the rate of evaporation.
The key to stir-fry is having a very hot pan and very thinly sliced vegetables that will cook on contact. I like to cook my stir-fry in a wok, an Asian frying pan. Woks are great because they give you a large surface area. You can make a stir-fry in a typical skillet, but the ...more
Like theme music, I always feel that I need more fog in my life. Fog can be useful for many reasons—warding off smaller siblings from your bedroom, keeping curious hands out of your cupboard, and tricking your friends into thinking there's something horribly wrong with their v ...more
Want great reception? Then a fractal antenna may be your answer. And you can make one yourself, right at home! Fractal antennas uses a fractal design to maximize the perimeter of the material that can receive and transmit electromagnetic radiation within a given total surface ...more
In this video, we learn how to trick your trick or treaters on Halloween. You will need strong tape and a glove to do this trick. First, loop the tape and place it on as much surface area of the glove as you can (on the palm). Now, put the glove on your hand and wait for the t ...more
Where would we be without science? Not everybody's always fresh as a daisy; try Odegon Technologies' iron-on "Odour Tags". When attached to clothing, the patches capture your odoriferous molecules in a carbon mesh. Somehow the patches don't come off in the wash and run about 1 ...more
This video demonstrates making a mosaic jewelry box. A plain jewelry box is decorated using different shaped pieces of glass. First, round flat glass pieces are glued in the center of the top and sides. Then a ring of glue is put around the circle and rectangular pieces are gl ...more
For most automotive applications a battery needs to supply a lot of current for a short period of time to turn over the engine and get the car started. With the engine running, the car's alternator produces all the power the car needs. Thin plates inside a starting battery inc ...more
This how-to video tutorial looks at the effects of Tadasana (the mountain) on some simple and well known yoga poses like triangle pose. The foundation of a tree is its roots therefore bring awareness to the feet first in this yoga pose. The same force should be present in bot ...more
Dr. Diana Wehrell-Grabowski provides a brief overview of Buckminister "Bucky" Fuller's accomplishments in this video tutorial. The emphasis is placed on Fuller's use of geometry in his inventions and his observations of patterns in nature (geometry). Dr. Diana demonstrates ho ...more
You may think of sugar as purely a sweet ingredient meant for baking, but it can actually be a deadly explosive, according to PopSci's Gray Matter: "In 2008 the sweetener killed 14 people in Georgia -- not from diabetes or heart disease, but in a violent explosion. Absence of ...more
WonderHowTo favorite NurdRage once again triggers the inner mad scientist in all of us (well, all of us WonderHowTo-ians at least). Below, watch what happens when steel wool- found in every common household Brillo Pad- is lit on fire. "Normally we do not think of iron as bein ...more
In 1782, an English plumber named William Watts came up with a clever method for making shotgun ammo. Watts constructed a six story "shot tower", consisting of a series of perfectly lined up holes, drilled into all six floors of the structure. Watts then poured molten lead thr ...more
Theo Gray of Gray Matter explains the principle behind sending steel up in flames- as long as it's steel wool, of course. The process is beyond simple. Spend 2 bucks and 2 minutes: purchase a steel wool pad, hold in pliers, light with a match. But the question is, why is steel ...more