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Mar 25, 2021 · The SI unit of kinetic energy is the joule (J), which is a kg⋅m 2 ⋅s −2. The English unit of kinetic energy is the foot-pound (ft⋅lb). Kinetic energy is a scalar quantity. It has magnitude, but no direction. Kinetic Energy Examples. Anything you can think of that has mass (or apparent mass) and motion is an example of kinetic energy.
- Rubber Band Energy. Because of their stretchiness (elasticity), rubber bands are often used to demonstrate elastic energy. In the Rubber Bands for Energy activity, students stretch and release rubber bands and investigate the relationship between how far the rubber band is stretched and how far it flies.
- Rubber Band Car. With the Build a Rubber Band-Powered Car activity, students build a car that is powered by the energy in a rubber band. When the car's axle is turned, the rubber band is stretched, and potential energy in the form of elastic energy is stored.
- Airplane Launcher. With the Design a Paper Airplane Launcher lesson, students design and build a paper airplane launcher that uses the elastic energy in a stretched rubber band to catapult a plane into the air.
- Popsicle Stick Catapult. In the Build a Popsicle Stick Catapult activity, students build a simple catapult from rubber bands, wooden craft sticks, and recycled materials.
Nov 10, 2024 · The kinetic energy of an object depends on both its mass and its speed. An object with greater mass or higher speed will have more kinetic energy. For example, A heavier object at the same speed will have more kinetic energy than a lighter object. The change in an object’s kinetic energy is directly proportional to the net work done on the ...
- Paper Roller Coasters. With the Paper Roller Coasters: Kinetic and Potential Energy lesson (or activity), students build their own model paper roller coasters and explore how conservation of energy applies in terms of gravitational potential energy, kinetic energy, and friction.
- Popsicle Stick Catapult. In the Build a Popsicle Stick Catapult activity, students use popsicle sticks and craft materials to build a small catapult and then explore the role of potential and kinetic energy in launching a cotton or paper ball.
- Popsicle Stick Chain Reaction. With the Popsicle Stick Chain Reaction activity, students make an interlocked chain of tongue depressor sticks. Each stick they place in the chain adds energy.
- Paper Airplane Launcher. With the Design a Paper Airplane Launcher lesson, students learn about potential and kinetic energy as they use the engineering design process to build a paper airplane launcher.
- Kinetic Energy. Any moving things use kinetic energy. For example, flying an airplane in the sky, throwing balls, running, cycling, climbing, etc are examples of kinetic energy.
- Chemical Energy. Chemical energy is the energy that is stored in the bonds of atoms and molecules. When this chemical reaction occurs, this energy is released.
- Electrical Energy. Electrical energy is moving energy that is generated by tiny charged particles called electrons and protons. A lightning bolt is one form of electrical energy.
- Heat Energy. Heat energy is also known as Thermal Energy. The energy that comes from a fire is thermal energy. As we know matter is made up of molecules.
Kinetic energy is the energy an object has due to its motion. As long as an object is moving at the same velocity, it will maintain the same kinetic energy. The kinetic energy of an object is calculated from the velocity and the mass of the object. As you can see from the equation below, the velocity is squared and can have a significant impact ...
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Apr 25, 2018 · Kinetic energy is energy in motion. It is the opposite of stored, or potential, energy. Kinetic energy can be transferred between objects or changed into potential energy. Kids love seeing demonstrations of kinetic energy in action. These four simple experiments show children the effects of kinetic energy and how it is transferred between objects.
