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The Influence of Initiator Concentration on the Molecular Weight of Polystyrene
This in-depth organic chemistry lab walks learners through an investigation of the effect of initiator concentration on the resulting molecular weight of polystyrene. It is important that you use this instructional activity with...
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Condensation Polymerization: Preparation of Two Types of Polyesters
College-level or AP chemists use phthalic anhydride to synthesize two different polyesters, one linear and one cross-linked in structure. A detailed materials list and well-written procedures are provided on a lab sheet. Learners write...
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Incomplete Dominant and Codominant Traits Worksheet
A two-page instructional activity provides seven Punnett squares for practice in determining genotypes and phenotypes. Each is an example of incomplete dominance or codominance. After your bright biologists have mastered Punnett squares,...
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Winter-time Temps
Young scholars measure temperature and become aware the the temperature above and below the snow is different. In this winter temperature lesson, students measure temperatures to find variation based on how the snow is packed. Young...
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Meadow Madness
Young scholars explore the evolution from a pond habitat to a meadow. In this habitat instructional activity, students become familiar with a beaver meadow habitat. Young scholars are aasigned an animal to research and find why the...
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Native Harvest
Students read Native Plants and Early Peoples and explore the plants in Waterton-Glacier International Peace Park and find how the Native Americans used them. In this Native American plant and people lesson, students research two types...
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Volcanoes: USGS Geography
Young scholars research volcanoes. In this volcanoes unit, students examine components of a volcano, how it is created, what causes it to erupt, and the results of an eruption. There are a series of 6 lessons included in this unit. Young...
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Mystery Eggs
Students investigate the properties of plastic eggs filled with solids, liquids, and gases and use these observations to hypothesize whether a chicken egg is hard-boiled or raw.
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Eggs'ceptional Experiments
Students see evidence of chemical reaction and follow the scientific method to hypothesize, observe, and reach conclusions. They conduct a series of egg based experiments such as forming crystals and complete journal activities as a...
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Chapter 15 Review, Section 2: Acid-Base Titration and pH
Keep it simple with this chemistry assignment. Learners examine an acid-base titration graph and answer four questions about the data. Then they will balance neutralization equations and calculate molarity for several specific solutions....
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2009 U.S. National Chemistry Olympiad National Exam - Part I
The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...
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AP: Chapter 18: Microbial Models
AP biology and college microbiology classes benefit by completing this seven-page worksheet on microbes. An exhaustive set of questions addresses the characteristics and reproduction of viruses, classification and uses of bacteria, and...
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2000 U.S. National Chemistry Olympiad Local Section Exam
This 60-question comprehensive exam was designed to determine who would go on to compete in the 2000 US National Chemistry Olympiad. Hopefuls answer multiple choice questions regarding all chemistry topics taught in the first year...
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Enzymes Help Us Digest Food ~ Introduction to Sugars and Enzymes
After an explanatory introduction to sugars and enzyme activity, biochemists discover whether lactase is needed to digest lactose, sucrose, and milk as a whole. High school science lab skills are required for these investigations.
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Feeding Frenzy
Young biologists take a look at the myriad of ways that animals increase their chances of surviving in the wild. The adaptations help animals hide, hunt, and attract a mate. This lesson specifically explores how insect mouth parts are...
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How Big Is That Star?
Aspiring astronomers study stars. They compare stars and explain the relationship between radius, mass, and diameter. By creating a star simulation, they discover how a binary star system's orbit can cause changes in the observed...
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Supernova Chemistry
Using spectroscopes, high school astronomy, physics, or chemistry learners observe emission spectra from several different sources. This stellar NASA-produced lesson plan provides terrific teacher's notes and a student handout. Make sure...
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X-ray Spectroscopy and the Chemistry of Supernova Remnants
This link takes you to a comprehensive unit that delves into emission spectra and supernovas. There are four parts: How and where elements are created, electromagnetic radiation, spectroscopy, and the newest technology for studying our...
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Review of Ionic and Covalent Compounds and Transitioning from Ionic to Covalent Compounds
Here is a unique assigment: compare and contrast ionic and covalent compounds in an extensive data table and then analyze Lewis dot structures in antoher. Three columns are to befilled in: "characteristic or feature," "applies to ionic...
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Build an Indoor Compost Bin
Students write an essay to describe the contents of a compost bin. In this composting lesson, students create a compost bin. Students examine soil for its contents and explains in an essay the impact of the soil on the environment.
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Wetlands in a Pan
Fifth graders explore the wetlands to discover its benefits in removing pollutants in the water. In this wetlands lesson, 5th graders discuss how stormwater wetlands are created to purify water. Students test the water.
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Energy Audit
Students collect data about energy usage and use mathematical calculations to analyze their data. In this energy conservation and statistics math lesson, students survey their homes to complete an energy usage worksheet. Students...
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Create Hydrogen Energy
Learners complete an experiment to understand changes to the environment over time. In this hydrogen instructional activity, students discuss electrolysis and conduct an electrolysis experiment. Learners observe and record their...
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Inside of Me
Students identify the systems of the human body and their functions. They illustrate the systems to investigate where and how they function in the body. Afterward, they layer these systems to comprehend the depth and dimension of the...