Education and Communications: How to make a volcano with a film canister for a science fair project. Gather your materials. You will need an empty film canister, modeling clay, and disposable cups to make the volcano. You will use baking soda and white vinegar to make the lava.
Health: How to nurse a significant other's cold at home. Find out if they need help. If you live with your significant other or if they live alone, the answer to this question may be obvious. But if they live with family, friends or roommates, they may already be getting the help they need. The only way to be sure is to ask. Even if someone else is caring for your loved one, you might be able to help by stopping by with food or medicine.

Cars & Other Vehicles: How to measure a bike chain. Lay the original chain side by side next to your new chain. If the original chain is the length you want the new chain to be, lay them next to each other so the plates are on their sides. Ensure that the plates on each chain line up. If you're using a master link chain, insert the master link so your measurement is accurate. For example, line up an outer plate with an outer plate or an inner plate with an inner plate.

Pets and Animals: How to get rid of fleas on rats. Observe if your rat is scratching more than normal. Often a rat will scratch a flea infested part of its body more frequently and often quite vigorously. This area can become irritated, red, or inflamed from scratching and from fleas feeding on your rat's skin.  Missing patches of fur or red scabs is a good indication that something is irritating your rat's skin even if you don't see them scratching. Fleas like to hide in densely covered areas of animals.

Computers and Electronics: How to get blood out of sheets. Rinse the stain out from behind using cold water as soon as possible. Take the bed sheet off the mattress first, then rinse the stain out using cold water. Do not use hot water, as this will set the stain. Follow this step with any of the stain-removal treatments listed below.. Treat heavy stains with hydrogen peroxide.

Food and Entertaining: How to crochet a toy storage hammock. Choose any yarn and any hook that feels comfortable with it. This makes the first of three optional hanging loops, so if you'd like the loop larger or smaller, chain more or fewer stitches.. Tie a slip knot and chain about six stitches.  Slip stitch into the first stitch in the chain, forming the first optional hanging loop. This chain will form one side of the triangular sling or hammock, so chain until you get the length that you will want (see tips).

Pets and Animals: How to connect with an animal. Learn animal body language. If you want to connect to an animal, you need to know how that animal communicates. As animals cannot use language to converse, they relay heavily on movement and expression to show how they feel.  The aspca website and the humane society website have extensive overviews of animal body language. If you have a domestic pet, like a dog or a cat, you can read up on how your pet communicates here.

Health: How to use alcohol to treat a cold. Make a hot toddy. A hot toddy is a popular cold remedy. Pour 1 ounce (30 milliliters) of whiskey and 1 to 2 tablespoons of honey into a mug, then squeeze in the juice of 3 lemon wedges. Add 8 ounces (240 milliliters) of boiling water and stir to mix. Poke 8 to 10 cloves into a lemon wedge and plop it into the mug.

Youth: How to help illiterate parents. Set up a bill-paying system. Bills can be intimidating when for your parents if they don't know what they mean or how to break them down. One way to help your parents is to set up a bill paying system. Take a day and set their bills to auto draft from their accounts. If automatic deductions are a concern or simply not possible, request that copies of their bills be sent to you so you can review them with your parents.

Food and Entertaining: How to make scrambled eggs with bacon. Decide the amount. Determine how many people you are cooking for and their appetites. Some people want up to six slices of bacon while others will only eat one. If you are feeling unsure just cook extra. The allure of bacon is very strong, and if no one eats it, you can store it in the fridge.

Playing pool: People are playing pool in a bar. A man is eating food at a table.

Education and Communications: How to make a volcano with a film canister for a science fair project. Gather your materials. You will need an empty film canister, modeling clay, and disposable cups to make the volcano. You will use baking soda and white vinegar to make the lava.