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essential questiOn:
essential questiOn:
How can we combine forces to create balance?
How can we combine forces to create balance?
Project Description: The Combining Forces Project helps third grade students understand that multiple forces (both visible and invisible) are pushing and pulling on us and all objects at all times. When forces are balanced, objects are at rest or balanced. When forces are unbalanced, objects move. Forces have an impact on us and the world, but we have our own force that we can use to have an impact on the world, also. We can use our force to create better balance in our family, classroom, community and the world. We can also use forces and balance in artwork to share who we are, what kind of force we want to be in the world and to make connections.
What causes objects to move?
What causes objects to NOT move?
How do we balance objects and ourselves?
How can we predict the motion of objects?
How can we predict the motion of objects?
How can we make objects move with invisible forces?
next generation science standards
next generation science standards
Performance Expectations
Performance Expectations
3-PS2-1 Plan and conduct an investigation to provide evidence of the effects of balanced and unbalanced forces on the motion of an object. [Clarification Statement: Examples could include an unbalanced force on one side of a ball can make it start moving; and, balanced forces pushing on a box from both sides will not produce any motion at all.] [Assessment Boundary: Assessment is limited to one variable at a time: number, size, or direction of forces. Assessment does not include quantitative force size, only qualitative and relative. Assessment is limited to gravity being addressed as a force that pulls objects down.]
3-PS2-2 Make observations and/or measurements of an object’s motion to provide evidence that a pattern can be used to predict future motion. [Clarification Statement: Examples of motion with a predictable pattern could include a child swinging in a swing, a ball rolling back and forth in a bowl, and two children on a see-saw.] [Assessment Boundary: Assessment does not include technical terms such as period and frequency.]
3-PS2-3 Ask questions to determine cause and effect relationship of electric or magnetic interactions between objects not in contact with each other. [Clarification Statement: Examples of a magnetic force could include the force between two magnets, the force between an electromagnet and steel paperclips, and the force exerted by one magnet versus the force exerted by two magnets. Examples of cause and effect relationships could include how the distance between objects affects strength of the force and how the orientation of magnets affects the direction of the magnetic force.] [Assessment Boundary: Assessment is limited to forces produced by objects that can be manipulated by students, and electrical interactions are limited to static electricity.]
UNIT 2 transitioned from Mindful Mobilizers (designed for distance learning in 2020) to Combining Forces (designed for in-person learning).
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