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Programming the "Rinse Robot"
Experienced chemistry technicians use then layer chromatography to discover how much of a free compound is left after each rinse cycle. Where this could obviously be used as a practice with chromatography technique, it can also be used...
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2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
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2002 U.S. National Chemistry Olympiad National Exam - Part III
Two laboratory problems are put forth for chemistry students. They are to plan and carry out an experiment that will answer each of the questions. The first asks them to investigate a relationship between the surface area of a potato and...
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Sunspots and Space Weather
This assignment is out of this world! It is an online worksheet about sunspots and solar cycles, a sort of WebQuest if you will. Links to two NASA websites and spaceweather.com are written into the questions so that your aspiring...
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2000 U.S. National Chemistry Olympiad National Exam - Part I
The National Chemistry Olympiad exams are comprehensive tests covering an entire year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your general...
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Waste Watchers
Students recognize the importance of saving energy to save natural resources. In this saving energy lesson, students complete a worksheet to find types of electricity meters in their homes. Students use meter readings to calculate energy...
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Air Pollution: The Issue of Global Warming
Here is an outstanding 10-page lesson plan on global warming. Learners discover that there is a lot of controversy surrounding this topic in that the science behind global warming is difficult to prove. The best thing about this plan is...
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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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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.