More science projects and experiments
A collection of science projects, videos and experiments for various grades and topics.
Science Projects or Science Experiments: Grades 4 & 5
What is Work?
Our World: What is Work?
This NASA video segment explains the relationship between work, force and distance
Real World: Work, Force, Energy and Motion
In this NASA video segment learn how to calculate the force, energy, motion and work of an object. Find out how these properties compare with one other. Color animation is used to demonstrate how to calculate each property using proper units of measurement. This video segment also explains the difference between potential and kinetic energy as well as how to calculate gravitational potential energy. Examples are provided throughout the segment for clarification.
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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