A molecule is a particle of matter composed of two or more atoms held together in a particular arrangment by strong chemical bonds. Molecules have a neutral electrical charge that is generally stable. Examples of molecules include molecules of water …
In the chemical formula for water (H2O), what does the number 2 mean?
The number 2 indicates that there are two atoms of hydrogen in a molecule of water. There is also one atom of oxygen but the number one is omitted from a chemical formula.…
What is a compound?
A chemical compound is a substance composed of two or more different elements chemically bonded together in a fixed proportion by mass. When a compound is formed from its components, a chemical change takes place through chemical reactions. Elements form …
What is point-source water pollution?
Point-source water pollution originates from a specific, identifiable place, such as a factory, a sewage plant, an underground fuel tank, or even an animal feedlot. In order to better control and treat point-source water pollution, piping or ditching may be …
What are water resources?
Water resources are sources of water that are useful or potentially useful to humans. Activities that humans may use water for include agricultural, industrial, household, recreational, and environmental activities. Virtually all of these uses require fresh water. However, 97.5% of …
Aqua Times: Precipitation
Aqua Times:
Precipitation
Precipitation is a very important part of the water cycle! Observe the different forms of precipitation today by conducting this experiment!
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Also in this series
Bottle Hydrology
Sunshine in Our
Aqua Times: Water Makers
Aqua Times:
Water Makers
This experiment is designed to help you to better understand the Hydrologic cycle by building a plastic water condenser. Build yours today!
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Also in this series
Bottle Hydrology
Sunshine
Aqua Times: Transpiration
Aqua Times:
Transpiration and Aspiration
Observe the processes of evaporation, transpiration and evapotranspiration! Transpiration and evaporation, together termed “evapotranspiration,” are important steps in the water cycle.
Click here to print your Field Guide
Also in this series
Bottle Hydrology
Sunshine
Aqua Times: Wondrous
Aqua Times:
The Wondrous Water Cycle
Water might be called our most recycled resource because the water on earth is constantly moving in a cycle. In this experiment, you will observe the natural water cycle!
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Aqua Times: Sunshine in Our Lives
Aqua Times:
Sunshine in Our Lives
For this experiment, you will be asked to collect pond water and observe what happens when the energy source for a pond water micro-ecosystem is taken away!