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Resource Key

Resource Level

We have graded each source in this Research Guide according to the following levels. 

Level 1

Brief, easy to read information which may be basic and use informal language. Newspaper articles are generally this level.

Level 2

Generally includes subject-specific language, provides additional reading and may provide additional background information.

Level 3

Typically, these will be longer in length, detailed and contain technical information.

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Hypothesis (Science)

What Is a Hypothesis? (Science)

A hypothesis (plural hypotheses) is a proposed explanation for an observation.

In science, a hypothesis is part of the scientific method. It is a prediction or explanation hat is developed from prior understanding and research and then tested by an experiment. Observations and experiments may disprove a scientific hypothesis, but can never entirely prove one.

Writing a Hypothesis

Most scientific hypotheses are proposed in the if-then format because it's easy to design an experiment to see whether or not a cause and effect relationship exists between the independent variable and the dependent variable. The hypothesis is written as a prediction of the outcome of the experiment.

Example of a Hypothesis

Examples of a hypothesis include:

  • If you drop a rock and a feather, (then) they will fall at the same rate.

  • Plants need sunlight in order to live. (If plants are exposed to sunlight, then they will grow and thrive)

  • Eating sugar gives you energy. (If a person eats sugar before exercise, then the person will have energy to burn)

Helmenstine, A. M., & Ph.D. (n.d.). What is a hypothesis?. Retrieved from

Wind Power- general

Wind Power- General Information 


Wind Energy refers to technology that converts the air’s motion into mechanical energy usually for electricity production. 

Wind Power in Australia

Wind Power in Australia

Advantages and Disadvantages of Wind Power

Advantages and Disadvantages of Wind Power

Wind Turbine Design

Wind Turbine Design and Technology


Wind Turbines- US Department of Energy 

See how wind turbines generate clean electricity from the power of the wind. Highlighted are the various parts and mechanisms of a modern wind turbine.

Energy Transformation- Wind Power

Energy Transformations in Wind Power


How do wind turbines generate electricity? 

Wind turbines generate electricity from kinetic energy in wind. But how do they do it, what components are required? In this episode in our 60 second series we show how wind turbines work by giving a quick overview of the components that are needed. From the sensors that collect wind data to the electric amplifiers that are needed to connect the turbines to the grid.