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I can answer almost any student science question! I especially like ones involving silkworms, spacecraft and computers.
MIT graduate. Have worked as an engineer and taught science for 28 years.
| User | Date | K | C | T | P | Comments |
|---|---|---|---|---|---|---|
| isabel | 11/02/09 | 10 | 10 | 10 | 10 | thank u alot |
| Watson | 10/24/09 | 10 | 10 | 10 | 10 | Thanks for giving answer to my Question ..... |
| Kristin | 09/26/09 | 10 | 10 | 10 | 10 | thank you! |
| Rambo | 09/18/09 | 10 | 10 | 10 | 10 | |
| bruce | 09/12/09 | 10 | 10 | 10 | 10 | thanks |
Experiment with a hard-boiled egg. Try to build something to surround the egg to absorb energy so the structure crumples and protects the egg. Try stuff, change the design, try more stuff. Keep trying
I never heard of a batter heater. Do you want to use a battery to heat a cup of tea? If so, get a piece of high-resistance insulated wire or a resistor, and attach it across the leads to the battery
Everyone will give you a different answer for this one. I believe that kids should be encouraged to think, analyze , and no be afraid to speak up. Discussing differences is a great way to accomplish
The independent variable is the one you are changing. The dependent variable is the one that reacts to the thing you are changing. You measure the dependent variable. Example: The experiment wants
Here's the idea. There is gas dissolved in the soda. Get three different bottles of soda, all the same size. Make sure all the bottles are at the same temperature (all on the counter or all in the refrigerator
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