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Exploring Gravity and Motion: Understanding Forces in Our World

This educational resource delves into the concept of gravity, a natural force that pulls objects toward the Earth's center. It explains how gravity affects motion and demonstrates its role through various activities and examples. From comparing weights on Earth and the Moon to exploring the effects of forces on motion and the importance of balance in structures, this guide aligns with AMSTI standards for Kindergarten to Second Grade, making it an excellent tool for teaching science concepts related to motion and gravity.

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Exploring Gravity and Motion: Understanding Forces in Our World

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Presentation Transcript

  1. Testing Gravity

  2. Gravity • A natural force • Always pulling toward the center of Earth due to the Earth’s mass Things dropped near the surface of the Earth at the same time accelerate at the same rate due to the Earth’s gravity.

  3. Force • Fancy word for pushing or pulling • Makes things move or change their motion • Gravity is a force that pulls things to the ground

  4. Moon • Has 1/6 of the Earth’s gravity due to the moon being made up of less mass • Less gravity would make us float – like we see on the moon If a child weighed 65 pounds on the Earth, they would weigh 10 pounds on the moon.

  5. Let’s Build a Tower

  6. Connecting AMSTI Kits to Standards MOTION – a change of position, speed or location, but motions requires a force to cause that change.

  7. AMSTI KitKindergarten STANDARD P4 – Identify properties of motion, including change of position and change of speed • Ramps – gravity pulls the objects down the ramp. The ramp makes them fall faster • Balls – gravity pulls the balls down to the Earth

  8. AMSTI KitFirst Grade STANDARD P3 – Describe effects of forces on objects, including change of speed, direction, and position. • Crayfish/shapes – gravity pulls the objects down until you find the center of gravity (balance point) • Ramps/Roller Coasters – gravity pulls the objects down the ramp. The ramp makes them fall faster • Tops – must push the top to start spinning • Mobiles – must find the center of gravity • Parachutes – gravity with air resistance

  9. AMSTI KitSecond Grade STANDARD P4 – Describe observable effects of forces, including buoyancy, gravity, and magnetism. Example: gravity – apple falling from a tree. • Butterfly/Fulcrum/beam/balance ____ – gravity pulls the objects down until you find the center of gravity (balance point) • Mobiles – must find the center of gravity

  10. Bird Fun

  11. Leaning Tower of Pisa

  12. Space Needle

  13. Center of Gravity

  14. Twin Towers

  15. Center of Gravity - Buoy

  16. Center of Gravity - Below the ground How stable are skyscrapers? Posted by Ethan on June 26, 2009

  17. Thank you

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