Energy Conversions Inside Conversions By Vardaan

Types of Energy

Potential Energy (Stored Energy)

  • Chemical (stored energy in the form of chemicals)
  • Nuclear (stored energy in the form of atoms)
  • Electric (stored energy in the form of electrons)

Kinetic Energy (Moving Energy)

  • Thermal (moving energy in the form of heat waves)
  • Light (moving energy in the form of light waves)
  • Mechanical (moving energy in the form of physical motion)
  • Electric (moving energy in the form of flowing electrons)
  • Sound (moving energy in the form of sound waves)
Energy Conversions

There were a lot of energy conversions that we did.

LED

  • Chemical (inside the battery) to light (the light in the LED) and thermal (the heat from the light)

Hand Warmers

  • Chemical (inside the bag thing) to thermal (the heat released from the chemical)

Glow Sticks

  • Chemical (inside the stick) to light (the light that it emits) and thermal (the heat from the light)

Generator

  • Chemical (food) to mechanical (turning crank)
  • Mechanical to electric (electricity in the circuit) and sound (the squeaky sound)
  • Electric to light (the LED) and thermal (the heat from the light)
  • Electric (leftover) continues on, and the cycle starts again

Flashlight

  • Chemical (food) to mechanical (pressing button)
  • Mechanical to electric (electricity in the circuit) and sound (the clicking noise)
  • Electric to light (the light in the flashlight) and thermal (heat from the light)
  • Electric (leftover) continues on, and the cycle starts again
Food Pantry System

We made a conveyor belt that used pulleys, cranks, and string.

A Skitch of our machine

Conversions

  • Chemical (food) to mechanical (turning the cranks)

It fulfilled the need/want of unloading boxes easily.

Results

We were partially successful.

We had 1 conversion.

It only went 5 inches.

It was still pretty hard.

Improvements

There are a lot of improvements we could make.

For example, we could make the pulleys further apart (and make the string longer.

We could also make it use one crank instead of two.

Lastly, we could also make it a bit sloped (to make it easier).

Credits:

Created with images by birder62 - "rigging pulleys tall ships" • luckylynda74 - "086 glow sticks" • Archives New Zealand - "Construction of Kopu Bridge"

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