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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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Understanding the pH Cycle within the Aquarium
Young scholars 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...
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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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Embryological Development Using Medaka Fish
Students analyze and record major events that occur in the development of Medaka fish eggs from fertilization to hatching. In small group, students describe the processes involved, creating a timeline of the major events in the...
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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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Slime and Polymers
Students participate in an experiment to demonstrate how mixing certain chemicals together can change the consistency of both chemicals. Glue, water, and borax are used to create a slime-like substance which is examined to determine how...
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Osmosis
Young scholars explore diffusion and active transport. They observe the effects of eggs in vinegar and predict what will happen when eggs are placed in corn syrup with food coloring. Students complete worksheets which lead them to...
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Making and Using a Hydrometer
Students build a hydrometer to measure the densities of fresh and salt water samples. They record the water temperature and density and use the temperature, density, and salinity conversion graph to locate the salinity. Finally,...
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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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Precipitation, Acids and Bases, and Molarity
In this chemistry worksheet, students write the net ionic equations for any precipitation reactions that occur on mixing aqueous solutions for each of the substances listed. Then they write the net ionic equations for the acid/base...
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Sedimentary Rocks- Formation and Types
In this sedimentary rocks resource worksheet, students follow the guide for reading this informational text. They read about the formation of sedimentary rocks, and the three major types of sedimentary rocks.
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Somatic Cell Division
In this cell division activity, students review the steps involved in a human somatic cell, from interphase to mitosis, to cytokinesis. This activity has 21 fill in the blank statements.
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Biochemistry Assignment
In this biochemistry instructional activity, students complete a table by filling in the missing information about different elements. Students draw the Bohr diagram and the Lewis dot diagram for several atoms.
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Chapter 22 - 25 Review
In this chemistry review worksheet, students explore their knowledge of solutions, acid and bases, nuclear reactions, and radioactive decay as they answer 33 matching, fill in the blank, and short answer questions.
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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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Solutions and Solubility
In this solutions worksheet, students determine concentrations of reactants at equilibrium. Students describe the effects of adding reactants have on the solubility of a compound. This worksheet has 5 problems to solve.
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Weak Acid Base Equilibria Problems
In this acid and base worksheet, students calculate the concentration and pH of solutions. This worksheet has 7 problems to solve.
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Concentration of Solutions
In this solutions instructional activity, students determine how the amount of solute in a given amount of solvent effects the concentration of the solution. Students calculate the molarity of solutions. This instructional activity has 7...
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Stoichiometry
For this stoichiometry worksheet, students identify types of reactions, show the products, and balance the equations. Students determine the limiting reagent, theoretical yield, and percent yield for given reactions. This worksheet has 5...
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Life Processes and Living Things-Humans and Other Animals
In this fill in the blank worksheet, students respond to 20 short answer questions by identifying foods that contain large amounts of sugar, carbohydrate, and fruit acids and explaining their effects on the body.
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Matter and Change
For this matter and change worksheet, students answer 24 questions on topics such as elements, compounds, mixtures and chemical reactions. Students answer questions about the properties of matter such as their physical state and shape....
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Solutions, Suspensions, and Colloids
For this solutions, suspension, and colloids worksheet, middle schoolers answer questions as it relates to their reading information about solutions, suspensions, and colloids. Students observe different examples and complete a chart as...
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Characteristics of Crystals
In this crystals learning exercise, students complete a graphic organizer by filling in the characteristics of the different crystal types including melting/boiling point and electrical conductivity.