Changes in energy when objects collide
I know about the changes in energy that occur when objects collide.
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General
Students learn about the energy transferred in a collision and the factors that affect this, like weight and speed.
Standards
NGSS: 4-PS3-3
Learning objective
Students will be able to describe the changes in energy that occur when objects collide.
Introduction
Begin with a K-W-L chart about energy.
Instruction
Explain what energy is and provide the example of pushing a friend on a swing. Then explain that a collision occurs when one object crashes into another. Provide some scenarios for when collisions happen. For example, you might see collisions in a game of basketball. Ask students if they have ever collided with someone or something. Share an example of a ball moving down a slope and explain the visual provided on the interactive whiteboard.
Have students make predictions about collisions and energy by looking at the image of the soccer player kicking a ball. Explain how speed and weight affect the energy in a collision with a few different examples. For example, a faster bowling ball will knock down more pins.
Quiz
Students respond to multiple-choice questions in which they analyze different scenarios.
Closing
Students clap their hands slowly and then quickly. Then determine which instance transferred more energy.
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Gynzy is an online teaching platform for interactive whiteboards and displays in schools.
With a focus on elementary education, Gynzy’s Whiteboard, digital tools, and activities make it easy for teachers to save time building lessons, increase student engagement, and make classroom management more efficient.