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Solutions
In this chemical solutions learning exercise, students determine the molecular weight of a substance, determine the boiling and freezing point of solutions, and determine molarity of a solution. This learning exercise has 3 problems to...
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A Funny Taste
Students participate in a demonstration that illustrates the relative amounts of salt in various bodies of water including the Dead Sea, Sallt Lake, Ocean water and distilled water. They taste and compare various mixtures.
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Lead Extraction
Students investigate one method used in the detection of lead in the soil. They use a Lead Check Soil Kit to safely obtain results in 30 minutes or less in levels of 400 ppm or above. In addition, they write a brief description of what...
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Watching Crystals Grow
Students observe crystal growth of Epsom salts and the variables that hinder or help their nucleation and growth. They illustrate a series of drawings/pictures as the crystals grow. They look for the different shapes they form as well...
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Condensation and the Water Cycle
Students explore the natural distallation process that occurs in the water cycle. They use plastic cups and cotton swabs to observe the condensation process that is evident in the water cycle.
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Salinity
Learners define and discuss salinity, conduct classroom experiment to determine salinity of water sample by using hydrometer, record predictions, and demonstrate understanding of how salinity influences object's ability to float in water.
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Chemical Equations
In this chemical equations worksheet, students write mass balance equations and charge balance equations. Students write the system of equations to solve for solution concentrations at equilibrium. This worksheet has 21 problems to solve.
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Lessons of the Lorax
Fifth graders read a story that is about the brown pelicans. Then they use the story narrative in order to apply it to the concept of adaptations in different species. The benefits of certain adaptations is examined.
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The Atmosphere and Flight
Students investigate evaporation and condensation, and apply the concepts to understanding cloud formation.
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DNA: What Does It Mean?
Tenth graders explore DNA using online tutorial. They perform their own DNA extraction from a clove of garlic and identify the key components of DNA.
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How Our Water Becomes Polluted
Students list causes of water pollution, discuss how people contribute to water pollution, and explain concept of watershed.
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Lake and Pond Study
Students examine the habitat and community structure of a pond that could support Ospreys through games and worksheets. They then go on a field trip to a pond to evaluate the suitability of the pond as an Osprey habitat.
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Biocomplexity Lab Activity: Creating Salt Water
The lesson seeks to intorduce to students the properties of salt water and how to create salt water. Teacher gives backgound information about salt water to students. From that point, students dscuss what elements are in salt water....
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Biocomplexity Lab Activity: Density and Buoyancy of
Pupils investigate how the density of water changes the buoyancy of
water. Students create a hypothesis about what will happen when placing the
egg into the water.Pupils can research online different bodies of water (The Red Sea, The...
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Cave Formation Age Estimation
Students investigate growth rates of flowstone formations. They view a virtual field trip and discuss how flowstones form. They observe the cave fieldtrip and predict the growth rate for a cave formation. They graph growth rates and...
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Shoreline Seining and Sampling
Students investigate ecological systems and the cause and effect relationship between humans and the environment by using the prey items of Ospreys.
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Introduction to Neutraliization
Students explore acids and bases and the process of neutralization.T hey practice volume measurements and observe the neutralization of an acid
directly through bubble formation and indirectly through indicator color changes.
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Colorful Milk of Magnesia
Students explore acids, bases, and indicators. They observe the various colors of an acid-base indicator solution and the neutralization of an acidic solution by an antacid.
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Water Quality Tests Explained
Students define all eight water quality parameters and list at list one source for each of the eight water quality parameters. They determine how each of the eight parameters affect river ecosystems.
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Chemical Compounds
In this chemical compounds learning exercise, students draw stereorepresentations of compounds. Students convert three-dimensional drawings to a Fischer projection. This learning exercise has 8 problems to solve.
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Chemistry Worksheet 4
In this chemistry learning exercise, high schoolers determine the pH of a buffer solution to several problems given. Students write a balanced ionic equation for several aqueous solutions.
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Gases and Chemical Reactions
In this chemical reactions worksheet, students calculate the volume or pressure for different gases. Students determine the effect of different stimuli on the rate of a chemical reaction. This worksheet has 1 short answer, 10 fill in the...
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Chemistry 130
In this chemical compounds worksheet, students calculate moles, molar concentration, and volume of given compounds. Students balance equations, give the formula and charge of polyatomic ions, and draw Lewis electron dot structures. This...
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Displacement Reactions and Acid/Base Reactions
In this chemical reactions learning exercise, students review the solubility rules for common salts. Students determine the molecular equation, ionic equation, and net ionic equation for specific reactions. Students calculate moles and...