Worksheets15.2 Hydropower Vocabulary
Total questions: 13
Worksheet time: 7mins
What is hydropower?
Electricity generated from the power of moving water.
Energy stored in a battery.
Heat energy from the sun.
Wind energy converted into electricity.
What does gravitational potential energy refer to in the context of hydropower?
The energy due to the motion of water.
The energy an object possesses due to its position in a gravitational field.
The energy generated by a turbine.
The energy lost as heat.
What is the role of a dam in a hydropower system?
To generate electricity directly.
To obstruct the flow of water and create a reservoir.
To convert kinetic energy into mechanical energy.
To measure the flow rate of water.
What is a turbine used for in a hydropower system?
To store water.
To measure pressure.
To convert kinetic energy of the fluid into mechanical energy.
To increase the gravitational potential energy.
What does the term "head" refer to in the context of hydropower?
The speed of the water flow.
The vertical distance between the water surface and the point where water flows out.
The amount of water stored in the reservoir.
The efficiency of the turbine.
What is a trial in the hydropower experiment?
A summary of the experiment
An educated guess about the outcome
Each repetition of the experiment with a different water level
The information collected during the experiment
What is a variable in an experiment?
Something that remains constant
Something that can change in an experiment
A summary of the experiment
The information collected during the experiment
What does data refer to in an experiment?
An educated guess about the outcome
The information collected during the experiment
Each repetition of the experiment
A device that converts energy
What is a prediction (hypothesis) in an experiment?
A summary of the experiment
An educated guess about what will happen
The information collected during the experiment
A device that converts energy
What is the role of a generator in a hydropower plant?
To measure water levels
To convert mechanical energy into electrical energy
To record observations
To summarize the experiment
What does potential refer to in physics?
A push or pull on an object
The capacity to do work
The amount of space something occupies
The repetition of an experiment
What is force in physics?
The capacity to do work
A push or pull that can cause an object to accelerate
The amount of space something occupies
A summary of the experiment
What does volume refer to in physics?
The capacity to do work
A push or pull on an object
The amount of space something occupies
The repetition of an experiment
