 | How to build a simple electricity generator
This is an AC electric generator which is capable of lighting up a tiny incandescent light bulb. The generator is made up of a hollow-ended cardboard box with a nail through the center, many turns of copper wire wound around the box, and four larger magnets clamped around the nail. When the nail and magnets are spun fast by hand, the little light bulb lights up dimly. |
| | Difficulty: High school |
| How to build your own hovercraft
So you want your very own hovercraft. Well once again, Reeko is here to help. Of course it's only big enough to hold a mouse (maybe two if the first one scrunches down real low) but hey, we're not old enough for a driver's license anyway... |
| | Difficulty: Middle school |
| | | Difficulty: High school |
| How to determine the resonant frequency of glass
The "resonant" or "natural" frequency of the goblet can be determined by "pinging" it and listening to the pitch of the "ringing". By using a microphone and oscilloscope we can determine this resonant frequency quite accurately. |
| | Difficulty: High school |
| How to make a solar cooker
It is pretty simple to make a collapsible solar box cooker from two cardboard boxes. The trick is to cut off the bottom of each box, creating two pieces... |
| | Difficulty: Middle school |
| | | Difficulty: Elementary school |
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| | | Difficulty: High school |
| | | Difficulty: High school |
| What materials work the best in a sandbag for preventing a flood?
The purpose of this experiment was to see what materials work the best in a sandbag for preventing a flood. Fine and coarse gravel, plant soil, and mulch are not usually put in sandbags to stop floods. Most people do not have a lot of sand that they can put in sandbags. That's why I'm doing this experiment, to see if fine and coarse gravel, soil, or mulch can have the same effect as sand. |
| | Difficulty: High school |
| | | Difficulty: Middle school |
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Science kits, science lessons, science toys, maths toys, hobby kits,
science games and books - these are some of many products that can
help give your kid an edge in their science fair projects, and develop
a tremendous interest in the study of science. When shopping for
a science kit or other supplies, make sure that you carefully review
the features and quality of the products. Compare prices by going
to several online stores. Read product reviews online or refer to
magazines.
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