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Magneto-hydrodynamic Drives

October 27, 2010 Teachnet Staff 0

The objective of this lesson and demonstration is to get the students to see how electric and magnetic fields can be used to force water out of a chamber in order to propel a vehicle such as a submarine.

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Day and Night in the Desert

October 26, 2010 Teachnet Staff 0

Overview: Draw contrasting scenes representing daytime and nighttime activities in the desert. Requires previous discussions of plant and animal life Procedure Ideas: 1. Students tape […]

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Creating Water in the Desert

October 26, 2010 Teachnet Staff 0

This is such a neat little experiment, it’s fun and informative for all ages. Based on the process of condensation, it appears to create water from nothing (which is, of course, not the case).

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Understanding Time Zones

October 26, 2010 Teachnet Staff 0

It used to be that knowing the time zones for your country was enough. But now, with the Internet and e-mail, we find ourselves wondering what time it is in Australia and other parts of the world.

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Going to Seed

October 26, 2010 Teachnet Staff 1

Quick, summer is over and fall is threatening with freezing temperatures. Take the last few days of nice weather and collect some seeds to use […]

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Reindeer Research

October 26, 2010 Teachnet Staff 0

Reindeer are just one of many species that are well known for doing something they don’t actually do. In this lesson students do their own research about reindeer, including where they live, what their purpose is, and how they got such a lofty reputation.

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Plant Growing Projects: Seed Planting Tips

October 26, 2010 Teachnet Staff 0

If you are going to grow seeds, put them in water on Friday to soak so they will be ready for students to prepare on Monday for growing. They will sprout early in the week, giving students more time to view the growing stage uninterrupted. Radishes and alfalfa sprout faster than beans, and if it’s out of season to buy garden seeds, a health food store that sells seeds and grains for sprouting and milling may carry radish, alfalfa, mung beans, wheat and corn year ’round.

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Hunter-Gatherers in the Classroom

October 26, 2010 Teachnet Staff 0

We are finally experiencing cooler weather after a long, hot summer. Flowers have, in most cases, gone through their useful life. Those dried-up flowers don’t indicate a dead plant, of course, but the beginning of life. Now is the time to bring in seeds to examine and save over for next spring. Here are some ideas…