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Recursos > Michael Calhoun

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Testing Soil from an Abandoned Field for Future Secondary Succession

Ecological succession is the natural process of the introduction and development of living things into an area. In an area where there is no soil, the process is called primary succession. In an area ...

What is in Tap Water?

Tap water usually contains dissolved gases notably air which is composed mainly of nitrogen and oxygen, along with some carbon dioxide, so when the tap water is allowed to stand some of the dissolved ...

What are the Effects of Light Intensity on the Rate of Photosynthesis and Oxygen Production in Plants?

This project focuses on the production of oxygen by plants during the photosynthesis process. The research aspect of this science fair project is to assess how light intensity affects the rate at whic ...

Are All Sugars the Same?

Carbohydrates are organic compounds composed of carbon, hydrogen and oxygen. These compounds are used to produce energy by living things. Sugars, starches, glycogen and cellulose are all carbohydrates ...

Which Addition to Hard Water would Reduce its Conductivity, Washing Soda or Rain Water?

Hard water refers to the presence of dissolved ions, mainly of calcium Ca2+ and magnesium Mg2+ which are acquired through contact with rocks such as limestone and dolomite which contain calcium and ma ...

Can Hydrogel Crystals be used as a Drug Delivery System?

A drug delivery system is a medium or carrier of drugs and medicines to where they are needed in a patient's body. Medical researchers are currently exploring if it is possible to use hydrogel crystal ...

How to Test the Efficiency of a Photovoltaic Cell?

The research aspect of this science fair project is to determine how much of the energy from the Sun that reaches a photovoltaic cell is converted into electric power.It is an educational content by e ...

Light Absorption and Color Filters

Light is the only source of color. Color pigments (paints, dyes, or inks) show color by absorbing certain parts of the light spectrum and reflecting the parts that remain. Color filters work the same ...

What is Plant Transpiration?

Transpiration is the loss of water from plant leaves. Water exits the leaf through stomata, which are tiny pore spaces in the leaf. The rate of transpiration depends on air temperature and solar radia ...

To Test the Solubility of Common Liquid Solvents

Solutions are a special kind of mixture and solubility is a term used to describe the amount of (solids, liquids, or gas) which can be dissolved in a solvent to make a solution. The research aspect o ...

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