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Probability and Geometry
Students explore the ways Geometry can help solve probability problems. Students describe platonic solids and practice calculating probability using an online resource. They construct dice with various numbers of sides to demonstrate...
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Forget The Dictionary!
Accessing Web sites and playing interactive word games enliven the study of Greek, Latin and Anglo-Saxon roots and affixes. Alas, the link to resources appears broken. Take some time to find game links.
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Food & Science - How Healthy is Your Diet?
Learners experiment with various foods to determine fat and starch content. They rub jam, peanut butter, bananas, and other foods in a small circle on a piece of paper, and observe the results. If there is a high fat content in the...
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Sink It
Introduce your class to the concept of sinking and floating. In groups, they classify objects after making predictions about which materials will sink or float. They record their results and create graphs and charts to share with the class.
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Ozone Testing Tools
Students develop an experiment to measure the amounts of ground level ozone present in their area. They collect data, access a related website and compare measurements. They present their findings.
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Pay to Learn?
Students discuss the concept of schools paying students as an incentive for scoring higher on standardized tests. They debate the key issues of this question and write a letter to the local board of education expressing their position.
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Which Wrap Is Wrapped Right?
Students investigate the integrity and strength of different types of food wraps. They test the wraps and create a graphic organizer for the data. Once it is organized then a lab report can be written. The lesson contains background...
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2001 U.S. National Chemistry Olympiad National Exam Part II
Only eight problems are on this competitive national chemistry exam. It required the balancing of chemical equations, solving stoichiometry questions, and more. This is part two of three of the national exam. Also available is a...
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2000 U.S. National Chemistry Olympiad Part II
In this chemistry olympiad problem solving learning exercise, chemistry pupils solve eight problems on a variety of topics including periodic trends, phase changes, ionization reactions, catalysts and titrations.
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1999 U.S. National Chemistry Olympiad Part II
A variety of topics including reaction rates, combustion reactions, periodic trends, and ionization reactions are included in this exam. Test takers also practice calculating empirical and molecular formulas of compounds.
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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...
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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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2007 U.S. National Chemistry Olympiad Part II
Eight multi-step chemistry problems, including analyzing a titration, writing equations, predicting products and limiting reagents, calculating concentrations of ions, and using stoichiometry to solve for unknowns in reactions make up...
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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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2008 U.S. National Chemistry Olympiad Part I
In this chemistry Olympiad learning exercise, students solve sixty multiple choice questions on a variety of chemistry topics from finding molarity of solutions to calculating products of reactions. Students are given graphs, equations,...
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Turn Your Empty Classroom into a Tutoring Hall
Invite students to receive additional instruction, one-on-one mentoring, and specialized study time in a drop-in study hall.
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Don't Get Caught!
In this fish worksheet, students read about fish and write about how they can help fish. They write about how they can save fish, fish migration, fish getting sick, and testing for pollution in water.
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ReQuest and Motor Imaging with My Side of the Mountain
Fifth graders read "My Side of the Mountain." They create a pantomime using vocabulary words from the story. Students create three questions about the reading. They discuss the passage they read and act out words to help them better...
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Ground Level Ozone Testing
Students prepare Shoenbein Paper to test the ground level of ozone. They dip a strip of their test paper in distilled water and hang it at a data collection site. They determine the relative humidity of the data collection site. Using a...
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Testing the Accuracy of a Rain Gauge
Students identify and test variables that may affect the accuracy of a rain gauge.
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Lab for Truss Design and Testing
Learners design and build their own truss. In this physics lesson, students calculate the forces and maximum load. They complete a full scale diagram of their design.
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Science: Testing Water for Toxicity
Learners investigate the potential toxicity of water samples using California blackworms to test water quality. They observe the worms' behaviors in different water samples and determine which sample has the highest toxicity. At the...
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Testing the Waters
Students explore water in depth through discussion, research, and experiment. Students apply map skills to locating particular regions of the world as they relate to water. Students predict water quality based on information researched...
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Struggle for Existence and Population Growth in Aphids
Students examine the population of aphids. They identify adaptations they have made for their environment. They make predictions, test their hypothesis and collect information that either proves or disproves their theory.