Fun Science Projects & Experiments - Force
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A collection of science projects, videos and experiments for various grades and topics.
Science Projects or Science Experiments: Grades 4 & 5
Force and Energy
Eureka! Episode 6 - Gravity
Isaac Newton's celebrated falling apple is cited to explain the force of gravity and the unit with which the force of gravity is measured. Concept: Force of gravity = mass x 10m/s2
Eureka! explains the difference between weight and mass, and shows how only mass is the same on the moon and on the earth.
A circus strongman and a clown help present the physics definition of work. Concept: Work = force x distance.
Animated billiard balls help demonstrate kinetic energy - the energy of motion.
A rock teetering on the edge of a cliff is shown to have potential energy - the energy of position.
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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