INGREDIENTS

• Football

INSTRUCTIONS

STEP 1: Place the football on a flat surface.

STEP 2: Using both hands, grip the pointy ends of the football, slowly spin the football, and observe.

STEP 3: Using both hands, grip the pointy ends of the football, quickly spin the football, and observe. Compare the effects of different strengths and different directions of pushes and pulls on the motion of the football. Provide evidence of the effects of balanced and unbalanced forces on the motion of the football.

EXPLANATION

The unusual shape of the football allows it to jump from a spin to a stand. A football has two axes, a short and a long axis. The short axis goes from side to side, while the long axis goes from pointy end to pointy end. Objects with axes of different lengths are most stable when spun around the longest axis.

SCIENCE SAFETY

PLEASE follow these safety precautions when doing any science experiment.

• ALWAYS have an adult present.

• ALWAYS wear the correct safety gear while doing any experiment.

• NEVER eat or drink anything while doing any experiment.

• REMEMBER experiments may require marbles, small balls, balloons, and other small parts. Those objects could become a CHOKING HAZARD. Adults are to perform those experiments using these objects. Any child can choke or suffocate on uninflated or broken balloons. Keep uninflated or broken balloons away from children.

Jason Lindsey

STEM Certified Educator, Science Multimedia Journalist, and Meteorologist

EMAIL: This email address is being protected from spambots. You need JavaScript enabled to view it.

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