Imprecise Science Search Results

How To: Use Markovnikov's rule to determine the likelihood of an addition reaction

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to use Markovnikov's rule to figure out which addition reaction is most likely in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Represent the structure of a molecule in organic chemistry

Need some help figuring out how to represent an organic molecule? You're in luck: In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to just that. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Use the Entgegen-Zusammen naming scheme for alkenes in organic chemistry

What's in a name? Well, your chemistry grade, for one. In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to .... Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Turn a penny into gold with common chemicals

This science experiment will show you how to turn a penny into gold with common chemicals. This video tutorial will demonstrate turning the copper penny into a silver penny and into a gold cent. All you need to make gold pennies is sodium hydroxide (also known as lye), zinc powder, a small glass beaker with some distilled water in it, a clean copper penny, a couple of measuring spoons, and a glass stirring rod.

How To: Make an alcohol lamp

In this science tutorial video, learn how to make a simple lamp from household materials. This lamp is great for power outages and other stuff like camping. All you need is some type of alcohol (isopropyl, ethonal, or even vegetable oil), a pair of scissors, a jar with a lid, and a cotton ball. Make your own alcohol lamp with this instructional video.

How To: Make a lava lamp as a cool science experiment for kids

In this Family video tutorial you will learn how to make a lava lamp as a cool science experiment for kids. For this project you will need food coloring, water, vegetable oil and antacid pills. Take a bottle and fill quarter of the bottle with water. Fill up the rest of the space with oil. The water and oil will remain separate. Now drop food coloring in to the bottle. Each color will behave differently. For example, green settles at the bottom, yellow stays in the middle, red dissolves right...

How To: Document and collect plants

Plants dominate the living landscape around us. Learning about this essential part of ecosystems by collecting and identifying plants should be a part of any life sciences curriculum. Designed to support the Plant Press project at Hila Science Camp, this video discusses collecting and classifying plants and the importance of the classification system developed by Carl Linnaeus.

How To: Do water's skin or surface tension experiment

While the concepts of molecule interaction, zero force and energy states might be a little beyond an elementary school science fair's scope, the basic idea of water's capabilities and naturally prepared access to animals and insects that rely on it as a habitat is certainly worth the time. Learn how to duplicate this natural phenomenon in this free video clip series with our expert Scott Thompson as he demonstrates the occurrence of water skin or skin tension, and shows you and your children ...

How To: Make a permanent, reusable glow stick

Make a reusable glow stick, glow-in-the-dark-style! Imagine, you'll never have to buy one of those ChemLite's again, because you can reuse this homemade glow stick over and over again. This video tutorial will show you how to make a permanent, reusable glow stick. The materials in this experiment are simple: epoxy resin, straw, and some phosphor powder.

How To: Make a Stack of Different Colored Liquids

Here's a simple home science experiment to demonstrate to kids the different weight and viscosity of various liquids. The liquids near the bottom are more dense while the liquids on top are less dense. This can also be used to determine the relative density of solid objects. Place them in the container and see where they float.

How To: Stiffen water with flour and salt

See what happens when you mix a few cooking ingredients into water! This video tutorial will show you the trick to stiffen water with flour and salt. It's a pretty simple trick, and you don't need to be a science genius to do it. Just mix a little salt and flour together, then dump into the pre-boiled water and watch as it hardens completely stiff.

How To: Make burning soap bubbles

Learn how to make bubbles burn in this science video tutorial. You will see exactly how to make burning bubbles, with aerosol spray deodorant, a bowl of water, and liquid soap. It's a pretty simple experiment -- you just pour some dish soap in the water, stir it, then spray the deodorant can while submerged in water. The final step is lighting the burning bubbles on fire. Yeah!

How To: Make a cereal box spectrometer

A spectrometer is an optical instrument used to measure properties of light over a specific portion of the electromagnetic spectrum. This video will show you how to make a spectrometer out of a cereal box and a compact disc. This spectroscope is sure to amaze your kids for a nifty science project.