Windmill water pump

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What is the primary function of the device demonstrated?

• To store liquids.

• To measure liquid volume.

• To generate rotational motion from liquid flow.

• To filter water.

What are the main materials used to construct the device?

• Metal and glass.

• Plastic bottles, wood, and tubing.

• Ceramic and rubber.

• Fabric and cardboard.

From where does the liquid that drives the wheel primarily originate in the continuous operation?

• Directly from a tap.

• From the tall bottle through a tube.

• From a small cup.

• From the ground.

What causes the small wheel with green paddles to rotate?

• Air pressure.

• Magnetic forces.

• The flow of liquid.

• Electrical current.

What type of energy transformation is primarily demonstrated by the device when liquid flows and spins the wheel?

• Chemical energy to light energy.

• Electrical energy to sound energy.

• Potential energy of liquid to mechanical energy.

• Thermal energy to electrical energy.