DIY Homemade Solar Furnace -- Solar energy is free, and is always begging us to make use of it. Here is another great way you could make use of solar in your house. Why not build this diy homemade solar furnace to help heat your home this winter. Most of the materials for this project can be re-purposed or picked up at dump yards. The reminder should not cost you more than $50 at your local hardware store.
Here is a great science craft to teach kids about alternative energy: a solar oven! Harnessing the power of the sun is cool and teaches us about caring for our environment and using renewable resources. Best of all, kids can make a snack they love, nachos, using the solar oven they made using this DIY. The directions are remarkably easy and you might already own all of the materials needed. It's a wonderful summer activity to do with your own kids, or in a community or classroom setting.
How #WindPower Works : When you talk about modern wind #turbines, you're looking at two primary designs: horizontal-axis and vertical-axis. Vertical-axis wind turbines (VAWTs) are pretty rare. The only one currently in commercial production is the Darrieus turbine, which looks kind of like an egg beater.
Use this fourth grade force, energy, and motion assessment as a quiz, test, or for review! This assessment matches Virginia's Standards of Learning, SOL 4.2 completely. Answer sheets included!Vocabulary covered include: friction, heat, motion, inertia, speed, force, energy, gravity, potential energy, kinetic energy, mechanical energy, heat energy, chemical energy, solar energy, gravitational energy, and Isaac Newton.
Have you ever wondered how solar electric systems work and power you home? Our infographic explores the process of converting energy from the sun into electricity for you home. For example, did you know that if your solar panels produce more electricity than your home uses, the meter spins backwards, sending the electricity back to the electric grid for future energy credits?
Set of 2 Solar Fence Lights. $7.95 per set. Item#: 973165-4EF2. Set of 2 Solar Fence Lights is ideal for wooden and chain link fences. Mount them high for broad lighting, or low to accent plants or sidewalks. Each light has 2 super-bright LED bulbs that turn on automatically at dusk. Attaches directly to the fence for easy installation. No wiring required. The solar panel on top uses the power of the sun to provide eco-friendly energy for the light. Includes on/off switch. 4-1/2" x 3" x…