Imprecise Science Search Results

How To: Make chemical stalagmites

Check out this science experiment video on how to chemical stalagmites. Chemist Chris Schrempp (star high school teacher and author of the book Bangs, Flashes, and Explosions) walks host Chris Hardwick through the process of making chemical stalagmites and some cool exothermic reactions similar to hand warmers.

How To: Check your own DNA

A science experiment you can do at home to gather a visible cluster of your own DNA. You need salt, dishwashing liquid, denatured alcohol, measuring tool, spoon, small glass/test tube/vodka glass, magnifying glass. Check your own DNA.

News: Learn 10 Awesome Science Tricks in 4 Minutes

There's something charming about Professor Wiseman's speedy and concise delivery of 10 different magic/science party tricks, delivered in just over 4 minutes. A little something to entertain the family with this holiday season. Enjoy. (P.S. If you missed last year's, here's another 10 from the Professor -this time in 3:22):

How To: Understand arches

An arch is a structure commonly used in bridges and buildings. This video presents examples of the arch as a structural unit and introduces the concepts of compression and tension. Provides support for the structures and mechanism unit of grade 6 to 8 science programs. Understand arches.

How To: Use a magnifying glass with Sid the Science Kid

In this video, Sid the Science Kid shows us how to use a magnifying glass. When you first grab it, look at your hands through the glass, and then your friends! Look at their hands, eyes, skin and explore the world around you. Look around at everything around you and notice if it makes things larger. Look at small insects like roly-polies, to see how they move and how many legs they have. A magnifying glass is a great way to explore science and make little things much bigger. Children should w...

How To: Grow plants with Sid the Science Kid

In this video tutorial, viewers learn how to grow plants with Sid the Science Kid. Sid the Science Kid is a half-hour PBS Kids series. To begin, viewers will need a cup filled with soil. Users will be planting a lima bean. Push the lima bean deep into the soil and add some water. Now take the cup and put it at a window sill to receive sunlight. Make sure that you water the plant everyday. Once the plat is too big for the cup, put it into a pot. This video will benefit those young viewers who ...

News: Make a Battery Out of Money

Hunkin's Experiments offers over 200 science experiments freely available in comic strip form. The experiments are organized in 18 different categories, covering a wide range from simple trickery to more technical experiments. The author, Tim Hunkin, is a trained engineer turned cartoonist, and also responsible for TV series/site The Secret Life of Machines (worth a look).

How To: Melt ice with Sid the Science Kid

In this video of Sid the Science Kid, the process of melting the ice is shown to the children. A teacher brings a frozen box full of fruits. The children then touch the box and understand how it feels to touch the ice. It feels cold, wet and hard. The children then draw an illustration of the frozen box. The teacher then asks them to break the ice to take out the fruits but since the ice is so hard , no one is able to break it. Then the teacher brings in a jug of water and pours it over the i...

How To: Make watermelon ice cream using liquid nitrogen

Bring a little science into your kitchen! For this recipe, you will need: 1/2 cup sugar, 340 grams watermelon juice, 6 grams Versawhip, 2.5 grams xanthan gum, whipped cream dispenser with nitrous oxide chargers, another 1/2 cup sugar, 1 cup heavy cream, 3 egg yolks, 1 quart pureed watermelon, 8 cups liquid nitrogen and 2 cups cubed watermelon. Make watermelon ice cream using liquid nitrogen.