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A Better Way
Students increase awareness of organizations that grew out of necessity and increased social consciousness during the Civil War and Reconstruction. They trace the origins of three organizations founded for the common good. They link...
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Changes in Matter
Eighth graders, in groups, explain the difference between physical and chemical changes.
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Isolating Bacteria from a Mix Culture
Students isolate three species of bacteria using the plate streak method, implement sterile microbiology techniques, and produce pure cultures of each microorganism at the end of this exercise. They write a descriptive paragraph for each...
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Exothermic and Endothermic Changes
Young scholars define and identify endothermic/exothermic reactions. Using a series of experiments, they construct and interpret potential energy diagrams for their reactions.
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The Synthesis of Some Organic Compounds And Their Representative Structures
Students examine how to represent organic compounds three-dimensionally. They write a synthesis reaction for three demonstrations, and construct a three-dimensional structure using a molecular modeling set.
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Bridges for All: Better Way
Pupils explore organizations founded for the common good. In this character education lesson, students read about organizations that developed for the common good during the Civil War and Reconstruction. In small groups, pupils present...
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Physical and Chemical Changes
Young scholars examine the different changes in matter. In this chemical change lesson students determine the amount of reactant made in a reaction using the law of conservation.
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Will it Stretch?
Students explore elasticity and describe the effects of temperature changes on physical properties. In this rubber band stretch lesson students complete an experimental activity and show their results.
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Types of Chemical Reactions
High schoolers conduct labs to gain an overview of chemical reactions. They observe examples of synthesis, decomposition, single displacement and double displacement reactions. They identify certain products by the use of litmus and...
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Chew on This
Eighth graders explore and demonstrate the seven steps of the scientific method. They predict how much sugar is in chewing gum and test, analyze, and calculate the sugar content of gum.
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Boom and Fizz
High schoolers investigate the differences between a physical and chemical change. They observe various demonstrations involving physical or chemical changes, make predictions, and record what they see, hear, and smell.
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The Three E's - Exciting Energetic Electrons
High schoolers perform flame tests on salts and record the electron configurations for various cations. They analyze and record the results using spectroscopes.
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Hot Air Balloon
Students view a video and discuss the mechanics of a hot air balloon. They, in groups, construct a functioning hot air balloon.
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Introductory Microbiology
Students view a Reading Rainbow video on germs and discuss microbial diseases. They grow cultures of Staphylococcus aureus and then estimate and graph the count for their own bodies and those of the class.
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Science: Conditions for Slime Mold Survival
Students perform experiments to determine the nutritional needs and physical space requirements for slime mold to survive. After formulating hypotheses, they seal the petri dishes and set up the experiment along with two controls. ...
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Did a Chemical Reaction "Really" Occur?
Students perform several different experiments to observe signs of chemical reactions and determine if reaction has occurred, use search engine to find Internet sites pertaining to chemical reactions, and write up brief summary of site.
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Investigation of Meiosis in Common Plants and Animals
Pupils witness various stages of mitosis through preparing onion root tip slides. With teacher guidance, they learn a great deal through the hands-on process of preparing the slides themselves.
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Activity #18 Decompostion of Baking Soda
Middle schoolers observe what occurs as baking soda is heated. They explain why a chemical rather than a physical change occurred during the procedure. Pupils identify the tpe of reaction (decomposition). Students conduct a glowing...
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Identifying Organic Compounds
In this organic compound lab activity, students complete 5 pre-lab questions before testing a variety of common foods to determine which organic compound is present. Once data collection is complete and recoded, they answer 9 analysis...
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Phase Transition Temperature of Fats
For this chemistry worksheet, students investigate through experimentation the solidifying behavior of some edible fat mixtures by determining their cooling curves. Then they data-log equipment to obtain a large number of temperature...
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Thermodynamics
In this thermodynamics worksheet, students review enthalpy, state functions, bond energy, and heat capacity. This worksheet has 2 multiple choice, 6 matching, and 12 problems to solve.
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A Potpourri of Thermo Questions
For this thermodynamics worksheet, students match terms to their definitions such as enthalpy, equilibrium, bond energy, and heat capacity. This worksheet has 20 words to match.
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Air: Demonstrating Its Presence and Effects
Students explore the concept of air. In this gravity instructional activity, students perform various experiments that deal with gravity, air resistance, and air pressure.
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Heat: Mini Unit
Students experiment with heat. In this physical science instructional activity, students engage in hands-on activities to develop concepts related to heat. Students offer explanations for their observations using given vocabulary.