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The student will do the following: 1. Construct a model of the hydrologic cycle. 2. Observe that water is an element of a cycle in the natural environment. 3. Explain how the hydrologic cycle works and why it is important. 4. Compare the hydrologic Full Review »
- Grade Range
- 3rd - 8th
- Rating
Students list causes of water pollution, discuss how people contribute to water pollution, and explain concept of watershed. Full Review »
- Grade Range
- 4th - 6th
- Rating
Students work together to discover the differences between acids and bases. They practice using indicators and reading them. They examine how chemical engineers use this information to help design products. Full Review »
- Grade Range
- 4th - 6th
- Rating
Students explore ways to use indicators to distinguish between acids and bases. They conduct an experiement to model and discuss the harmful effect of acid rain in our living and non-living environment. Full Review »
- Grade Range
- 3rd - 12th
- Rating
Students discuss places they have been where the air seemed hard to breathe. They discuss if they could "see" the humidity or smell. Students discuss ways this might relate to the fish in the aquarium. The teacher introduces pH and how to find it. Students practice testing acidity of common household substances. Full Review »
- Grade Range
- 5th - 8th
- Rating
Students investigate how to build a basketball court. They research the measurements needed for construction. Then they create a scale drawing to illustrate the actual size of the court. The discovery of different size courts helps to facilitate classroom discussion. Full Review »
- Grade Range
- 5th - 7th
- Rating
Students measure the pH levels of various substances. In groups, they complete a frog and plant activity to determine the effect of acidic water on them. They develop a line graph to show their conclusions and compare the results with other groups. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students make a water sampler and use proper techniques to collect water.They write a essay explaining the inter-relationship of factors such as temperature, pH, dissolved oxygen, nitrates, and phosphates in a lake that might cause a sudden rise in the algal populations and how this might affect the other organisms in the lake. Full Review »
- Grade Range
- 9th
- Rating
Students study pH, acids, bases, and neutralization. They discuss and apply principles of neutralization to everyday situations (bee stings, indigestion remedies, soil acidity, etc.). They carry out several experiments using acids and bases. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students practice creating scatter plots on a graphing calculator and interpret the generated scatter plots to determine the order of household solutions on the pH scale. They use a pH probe to measure the acid or base level of each solution and enter the data in the calculators. Full Review »
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