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Next Generation Science Standards (NGSS) addressed in this packet:
Grade 4: ENERGY
4-PS3-1: Use evidence to construct an explanation relating the speed of an object to the energy of that object.
This is based on the PS3.A standard from A Framework for K-12 Science Education which states that by the end of grade 5, students should understand that
“the faster a given object is moving, the more energy it possesses”.
4-PS3-3: Ask questions and predict outcomes about the changes in energy that occur when objects collide.
Have your students study the relationship between speed and energy and see energy transfer right before their eyes!
Materials needed: large 2 centimeter marbles, small irregular shaped objects (example: rock, plastic toy, etc), paper or paper towel tubes, textbooks, rulers or meter sticks.
I have my 16 students form 8 groups and each group creates a ramp using a stack of books or a box- anything we have in the classroom to prop up a tube. They create a tube tunnel and experiment with marbles and irregular shaped objects – what happens to speed/energy when we have a steep ramp? What happens when we lower the ramp? Can the marble transfer energy to an irregular shaped object? How far will the object move? This is such a fun and easy way to illustrate the relationship between speed and energy and energy transfer. Your students will be able to do this entire lab set-up by themselves, record data as scientists do, and draw conclusions based on their results.
-Explanation of procedure with photos of set-up
-3 student worksheets: record data from energy transfer results, explanation of the relationship between energy and speed, draw energy transfer that occurred (answer key provided)
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Please note: these units are for the use of one educator.
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Sue from Science for Kids :)