Lifting the Load
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Third graders analyze the pulley and demonstrate how forces cause changes in speed and direction of objects.
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Simple Machines: Take a Load Off
How does using a tool affect the amount of energy required to do work? is the driving question of an inquiry based lesson that guides scholars through the investigation of how energy relates to the purpose of different simple machines.
2nd - 3rd Science CCSS: Adaptable
What Can We Lose? What Do We Lose as we Gain Force With A Lever?
Third graders view a demonstration of a teeter totter as a basis for assessing pre-knowledge of a lever. They create a KwL chart. Students work in small groups to conduct a variety of experiments. The first requires students to tie books...