Test Helps Search Results

How To: Make potassium trichromate

In this how-to video, you will learn how to make potassium trichromate. You will need potassium chromate and dichromate. It is easy to go between the two. You can add a base to the dichromate to make the chromate. It will go from orange to yellow. The trichromate can be produced. You will need nitric acid, potassium dichromate, and sodium disulphate. First, make a solution of sodium sulphate. Take a long test tube and the potassium dichromate to it. Add double the volume of concentrated nitri...

How To: Stack liquids experiment at home

In this how-to video, you will learn how to stack liquids at home. This will make for a great experiment. You will need a tall, transparent container, molasses or honey, liquid soap, water, vegetable oil, and rubbing alcohol. You might want food coloring and items to float in the container. First, add the molasses to the container. Next, add the dish soap and water. You can add food coloring to this. Make sure to pour it on the side of the container. Add the vegetable oil on top of the water....

How To: Grill a simple fillet mignon in a unique way

In this video Dave shows his unique way to grill fillet mignon. Dave begins the video with a brief history of fillet mignon. Dave says his unique way is easy as long as you follow his simple steps: 1) Allow steak to come to room temperature before putting it on the grill. This allows the cooking time to be a lot more consistent, and you won’t have a very cold middle with an overcooked outside. 2) With a great fillet mignon cut, do not over season. He adds just a little salt and coarse groun...

How To: Pick a good pineapple and cut it

Frederic Patenaude demonstrates selecting and cutting a fresh pineapple. To select a fresh pineapple, he discusses that the color is not a great indicator. Instead he suggests looking at the bottom of the pineapple to make sure the base is yellow, indicating ripeness. He also smells the pineapple to make sure it smells ripe. he also checks for bad spots, softness or leakage around the whole fruit. He communicates that any tests with leaves are also not indicators. One way to cut a pineapple i...

How To: Bathe a your gentle newborn baby

How to Bathe a Newborn Baby Patty Siegrist shares some tips on how to bathe a newborn baby on this BabyCenter video. Set up for the bath by setting the room temperature to 74 degrees 15 minutes before the bath. It is safe to bathe a newborn in a tub after the umbilical cord stump has fallen off.

How To: Make a dynamic named range in Excel (left to right)

Teach Excel describes how to create a dynamically updating named range that goes from left to right using Excel. First, you define the named range by highlighting the cells containing numbers in a certain row. In the name box to the left of the formula bar, type the name of the data. In this example, the numbers correspond to sales, so type "sales." To check if the named range works, click on an empty cell and enter =sum(sales). That should return the sum of the highlighted cells. However, as...

How To: Deal with a flooded Nitro engine on an RC vehicle

Alishan Mao describes how to fix a flooded Nitro Engine on an RC car, remove the excess fuel, and start the engine. Flooding of the engine can occur when priming the engine. If you prime the engine too much, the engine can get flooded, making it difficult to pull the pull start. A simple way to fix this is to remove the glow plug. Cover the top of the engine with cloth or rag and hold it there so that the fuel does not splash all over the place. Pull the pull start several times. The fuel wil...

How To: Identify if you have aphids and webworms on mesquites

The video shows how to effectively be aware and get rid of possible webworms or aphids on your mesquites so they won't get damaged later. Here, John White invited Annete Peterson to show how to do so. She starts by informing from what she saw that many mesquites from her neighborhood have deformed leaves and mainly several of them have stripped branches at the tips of the trees. He explains that one of the problems is a webworm on the leaf of the mesquite, and it eats the leaves of the plant ...

How To: Do an ROTC/US Military-style push-up

The Georgetown Army ROTC program first describes the benefits, and then demonstrates a proper army pushup to standard. Pushups are common in the army, they increase the strength and endurance of your chest, shoulders, and triceps muscle. The push up is also a part of the Army Physical Fitness Test (APFT). In order to be contracted and received scholarship benefits male cadets in the age range of 17 - 21 must perform 43 pushups while female cadets in the same age range must perform 19 pushups.

How To: Make a homemade moisturizing yogurt facial mask

How to make a home-made moisturizing face-pack with yogurt:Chanelbluesatin shows us how to make a simple moisturizing face-pack with yogurt. All you need is plain yogurt, a tea-spoon, some honey and a few drops of lemon juice. Now let’s start off. Take a one or two tea-spoon of yogurt in the bowl. Mix well before putting the yogurt into the bowl. Add one or two drops of concentrated lemon juice to it. Then, take one tea-spoon of honey and add it to the mixture. Mix it well. Now, before you ap...

How To: Reduce puffiness under your eyes

Joanna Schlip is a professional make-up artist who focuses on how to deal with puffy eyes. Prevention is always better than cure and making sure that you get enough sleep, staying well hydrated, treating any existing allergies, avoiding known allergens are just a few ways you can avoid your eyelids from getting puffy. In today's fast paced day and age where we don't have time to call up a loved one, let alone get eight full hours of sleep a night, there is precious little one can do to avoid ...

How To: Wire a single pole light switch

Before working on any circuit in your house, make sure you turn the light off at the circuit breaker and then test it at the switch. Use 14-2 wire which has two insulated wires, a white and a black, and a bare copper wire which is used for grounding. First you run a 14-2 wire from the main circuit panel into the switch box. Then run a 14-2 wire from the switch to the light bulb. The black wire from the main circuit panel gets attached to one of the poles on the switch. The black from the 14-2...

How To: Achieve good soldering joints

Learn how to solder wires with this video. Clean the area to be soldered, scraping the wire down to bare metal and then wiping it clean with alcohol or acetone. Use rosin-core solder for electronic applications. This solder normally comes in coils. Tin (coat with solder) the soldering tip first: Wrap one or two inches of solder around the tip while the iron is cold; set the iron to the solder's temperature range; and allow the solder to melt. Clean the tip with a sponge. Set the soldering too...

How To: Create a sound on/off button in Flash

Tasktutorial teaches you how to create a sound on/off button using Flash. Name the first layer Actionscript. Go to frame 1, then window - actions. Add stop(); Go to frame 2, then window - actions. Add stopallsounds(); Create a new layer and select the text tool. Write off on. Change the color to black. Select the text and hit CTRL + B to break apart the letters. Select off, hit F8 and select convert to button. Name it off. Do the same for on, but name it on. Double click to open the off butto...

How To: Put a spare tire on your car

In this video it is demonstrated how to put a spare tire in your car if any of your tire is flat. First of all you should turn your car off and take out your auto manual to find out the location of spare tire and tool kit. Once you know that, take out the spare tire and the tools (mainly jack and spanner). With the help of the spanner loosen the screws in the tire. Then, with the help of a jack , raise your car a bit above the ground. Then take off the loosened screws from the tire and remove...

How To: Repair a leaky faucet

This how-to video is about how to repair a leaky faucet. One of the most common problems with the faucet is the replacement of the rubber washer, which is located on the bottom of the valve unit. First, stop the water supply by turning off the stop valve at the bottom of the sink. Then, turn on the faucet until the water stops flowing. Next, remove the handle. To do this, we first need to remove the decorative cap using a screw driver or sharp pointed knife to expose the screw. Then, remove t...

How To: Make Mexican salsa

Hetal and Anuja from Show Me The Curry take us through the steps to make a tasty, fresh salsa which is an integral part of Mexican cuisine. You will need a food processor for this recipe, a blender would make the salsa to thin and soup like. First, add the following ingredients to your food processor. * 2 Large tomatoes or 4 Roma tomatoes, chopped * 1/4 of an onion, chopped * jalapeños - to taste (They used about 2 large jalapeños but you may want more or less according to your taste preferen...

Walkthrough Assassin's Creed 2: Mission 49

Nothing Ventured, Nothing Gained: But everything is on the tightrope. Find Leonardo's new shop in Venice and pay him a visit. He and Ezio move to a rooftop to test out Leo's rad flying machine. As the cut scene ends, you get to play with the flight controls a bit. You don't really have to do anything—in fact, we crashed into the first building we came to (...the controls are inverted...). After you've landed or crashed, the mission is over. For more info, watch the whole gameplay.

How To: Tell if a pearl is real

There’s nothing more special than a beautiful pearl necklace. But how do you know if they are real? Knowing some qualities that pearls have should help you determine when there is an obvious fake in your presence. It might ultimately be necessary to leave it to a professional to authenticate those pretty little presents from the sea.

How To: Put Youtube files in PowerPoint

In this video maniactive teaches how to embed a YouTube video in PowerPoint 2007. You must have a live internet connection to do this. Make sure your Developer tag is turned on in your ribbon. Click on the PowerPoint logo on top left , click PowerPoint options. Under popular click show Developer tab in the ribbon. Click OK. Now in the Developer tab you'll see a toolbox in the toolbar. Scroll all the way down to where it says shockwave/flash object. Draw where you want the video in your PowerP...

How To: Fix your Xbox 360 using a heat gun

Some repairs on an Xbox can be repaired with a heat gun. Turn your Xbox off first. Take it apart. Remove all of the bolts and screws. Set them aside. You will need to remember where everything goes to reassemble it. Remove all of the heat sinks. Clean off all of the paste. You will only be heating the GPU. Do not use it on the CPU. You'll need Arctic clean and a cotton swab to remove all of the paste. When it is clean, turn on your heat gun. Set it for 1000 degrees. You can test it by seeing ...

How To: Solve word problems involving the division of whole numbers

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve word problems that require you to divide whole numbers.

How To: Get an Ivy League scholarship

Ivy League schools are a students wet dream, but not everyone can get into them. Even fewer get scholarships for them. But in recent years, Ivy League universities have raised the number of scholarships they award to students. More students are seeking awards, making the application process for these scholarships very competitive.

How To: Work out quadratic equations in algebra

Need to know how to solve quadratic equations? Grab a pen and paper and work along with the video! Remember, you can pause and rewind whenever you want. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Calculate percentage growth rates in calculus

Want to calculate percentage growth rates (also known as the relative rates of change)? Learn how with this free video calculus lesson, which covers calculating the percentage growth rate using a logarithmic derivative, elasticity of demand and the relation between elasticity of demand and revenue. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever t...

How To: Connect to the Internet through your Nintendo Wii

Did you know that your Nintendo Wii can go online? If you haven't been using the Internet with your Wii, you are missing out on some of the system's coolest features. With an Internet connection, your console can surf the web, watch movies from places like Netflix, or connect with other players to compete online. In this tutorial, learn exactly how to connect your Nintendo Wii to the Internet and start using your system the way it was meant to be used.