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Item #: AP9301 

Price: $6.78

In Stock.

Balancing Bird defies the laws of gravity with its well-placed weights. Center of gravity is located at the very tip of its beak.

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Product Details

How does this bird defy the laws of gravity? Because of two well-placed weights at the end of its colorful wings, its center of gravity is located at the very tip of its beak. Spin it on its stand or balance it on a finger. Wingspan of 61/2". Chem Fax instruction sheet provided.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Using mathematics and computational thinking
Developing and using models
Constructing explanations and designing solutions

Disciplinary Core Ideas

MS-PS2.A: Forces and Motion
MS-PS2.B: Types of Interactions
HS-PS2.A: Forces and Motion

Crosscutting Concepts

Cause and effect
Structure and function
Stability and change

Performance Expectations

MS-PS2-2: Plan an investigation to provide evidence that the change in an object’s motion depends on the sum of the forces on the object and the mass of the object
MS-PS2-4: Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects
MS-PS2-5: Conduct an investigation and evaluate the experimental design to provide evidence that fields exist between objects exerting forces on each other even though the objects are not in contact