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Fun Science Projects & Experiments

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Math Worksheets

A collection of science projects, videos and experiments for various grades and topics.

Science Projects or Science Experiments: Grades 4 & 5

Geothermal Energy

Energy 101: Geothermal Heat Pumps
An energy-efficient heating and cooling alternative, the geothermal heat pump system moves heat from the ground to a building (or from a building to the ground) through a series of flexible pipe "loops" containing water. This edition of Energy 101 explores the benefits Geothermal and the science behind how it all comes together.
How a Geothermal Plant Works

Geothermal Energy Process
This video describes the process of geothermal energy creation.
Geothermal Heating
A brief introduction to geothermal: the next wave of clean and sustainable energy.

Benefits of Geothermal Heating and Cooling
An informative video on the benefits of geothermal heat pumps as an alternative heating and cooling solution. No more propane or oil burning in the winter

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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