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Chemical Equilibrium
Learners explore Le Chatelier's Principle. In this lesson about chemical equilibrium, students do an experiment with several different activities . Learners observe as they do the experiments and understand the outcome. Students become...
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Writing Formulas
In this writing formulas worksheet, students are given the names of 92 chemical compounds and they determine the formula for each compound.
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Chemical Equations
In this chemical equations worksheet, learners are given the trends for the reactions between the alkaline earth metals with water, the solubility of the Group II hydroxides and the solubility of the Group II sulphates.
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Look At A Landfill
Students explore how landfills function. In this landfill lesson, students explore the use of landfills and the decomposition process by creating a model landfill. Students discuss pros and cons to landfills and how potential problems...
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Water Quality
Students examine water quality and how to improve it, how to measure it and how it relates to human activities. In this water quality lesson students sample water from different sources, and test the samples.
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Comparing Current Chemical Water Quality Measurements with Past Measurements at a Stream Site
Eighth graders compare water quality measurements from the past to present. In this water quality lesson students complete a lab activity that includes stream samples.
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Discovery Science Center Activities
Fourth graders complete a variety of experiments to meet science goals. In this life sciences instructional activity, 4th graders make yogurt, discover the attraction of opposite charges in electricity, learn the effects of...
Biology Junction
Bacteria Crossword Puzzle
For this biology instructional activity, students complete a crossword puzzle with 42 questions about bacteria. They identify the different characteristics of bacteria.
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Ranking Salinity
Students explain the uses of titration in chemistry and in industry. In this chemistry lesson, students determine the concentration of an unknown solution using titration. They calculate the percent of salt in saline solutions.
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Scientists and Inventors
Students explore human discovery by reading historical stories in class. In this inventors lesson, students define the terms scientist, invention, inventor and discovery before discussing the many differences between them. Students read...
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Water Quality Tests Explained
Students identify the eight tests done to check for water quality. In this ecology instructional activity, students explain why it's important to test water in rivers. They explore sources of river water pollution.
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Water Quality
Students analyze water quality and turbidity of collected samples. In this physics lesson, students conduct tests to identify the suspended particles in the samples. They explain how human activities affect water quality.
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Water Pollution Graphing Activity
Students describe and identify the link between land use activities within a watershed and water quality. They evaluate the quality of a "water sample" ( a bag of skittles), graph their results, and form a hypothesis about the land use...
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Texas City Disaster
Fourth graders study the Texas City Disaster, the largest industrial accident in United States history. They examine the explosions of the SS Grandcamp and the SS High Flyer and their effect on the oil refining center of Texas City and...
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Statistical Analysis For Graphing Calculators
Young scholars analyze date from the Chesapeake Bay. Using a graphing calculator, they enter the data, plot three temperatures, and create a Box and Whisker plot.
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"Pennsylvania Watersheds, Many Ways to the Sea"
Students trace a molecule of water through the water cycle including each of its three loops. They describe why evapotranspiration demands the largest portion of total precipitation falling on a forested watershed.
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The Surprise of the Blue Water
Young scholars become aware of factors that effect drinking water quality and how this could effect the health of their school environment. Students compose a business letter reporting their school water quality results to an appropriate...
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Micro-Magic With Sticky Ions
Learners view a video about the formation of precipitates. They complete a worksheet that asks them to identify what makes a compound form and what holds it together.
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Watershed Awareness
Students investigate the relationship between upstream influences in their watershed and the watershed's estuary. They apply the scientific process to test a hypothesis while examining the impact of upland activities on estuaries.
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Marine & Aquatic Habitats -- Journey of a Drop of Water Through a Watershed
Young scholars discuss pollution and the steps in the hydrologic cycle. They follow a drop of water through a watershed simulation. They discover the components of a water cleaning system as well.
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Devising a Set of Experiments to Test Water for Dissolved Substances
Students work together to test water samples for pollutants. They design data tables to collect and record their observations. They complete discussion questions to end the lesson.
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Colored H2 Balloon Explosions
Young scholars perform an experiment in which they put different types of salts in a balloon, fill it with hydrogen gas, and ignite it. The electrons in the salt molecules are excited by the heat and release energy in the form of light....
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Activity #5 Soils-Permeability and Impurity Removal
Students predict which types of soils would work best for keeping contaminants contained. They comprehend that in the past, landfills have been one major source of groundwater contamination. Pupils comprehend that placing and building...
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Goobers. Goobers? Goobers!
Young scholars begin the lesson by noting the many ways in which to use peanuts. In groups, they use the internet to research the work of George Washington Carver. They discover the allergies and nutritional information of the peanut and...