Curated OER
Pollution Solutions
Students explore the role of chemicals in the pollution and destruction of ecosystems. They research factors that affect ecosystems and the methods being employed to counter them. In addition, they choose one water ecosystem that has...
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Exponential Decay
Students study exponential decay and its application to radiocarbon dating. In this exponential decay lesson, students use candy to model the time it takes for something to decay. Students also graph the data they collect and...
Education World
Every Day Edit - Marie Curie
In this everyday editing learning exercise, students correct grammatical mistakes in a short paragraph about Marie Curie. The errors range from punctuation, spelling, grammar, and capitalization.
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Investigation 2: hat is the Root Word?
In this identifying the base words worksheet, students read two columns of words and write their root words, use a dictionary to find new words that use the root words from the word list, and read common prefixes and create new words...
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Ecological Impact of River Dams
Students investigate their environment by completing an in-class experiment. In this ecological lesson, students define the roles of dams and how electricity is created by them. Students utilize plastic jugs, sand and tap...
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Finding the Ages of Rocks and Fossils
Students practice dating fossils. They learn the concept of "deep time"--that earth was formed billions of years ago. They experience excellent hand-outs and virtual age tutorial links.
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Dangers of Radiation Exposure
Learners calculate their yearly exposure rate to harmful high-energy radiation and cumulative effects over time. They use the information to evaluate the various sources of radiation that are of greatest concern for them.
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Growing Barley for Use in Biosynthesis Experiments
Students attempt to determine the optimum growing conditions for barley. They assess the effects of a number of substances such as ammonium chloride and urea on the plants
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Enhancing Students' Problem-Solving Abilities
Students analyze the results of a hypothetical cloning experiment using a restriction endonuclease map obtained from an on-line data source. They answer the question, "How can I tell if the DNA I have obtained from this hypothetical...
Curated OER
How Old Is Mike?
Young scholars examine the absolute dating of fossils, they use a list of names and ages to determine the difference between relative age and absolute age. They explore the relative age and absolute age of people and of fossils.
Curated OER
Relative Dating-Telling Time Using Fossils
Students explore how to read fossil range charts. They develop an knowledge of the strengths and weaknesses of the fossil record. Students become familiar with the concepts index fossil and fossil range. Students use bar graphs to...
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The Energy Debate - Global Warming
Students describe what global warming is, what causes global warming and the impact to our world. They study the threat of global warming and its relationship to the use of fossil fuels.
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A Geological Puzzle
Students compare and contrast the various types of rocks on each continent. In groups, the calculate the rock ages and types to determine if the continents, in their opinion, were joined at one time. They develop two imaginary...
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Fossil Inferences
Fourth graders use their knowledge about fossils to arrange fossil pictures in sequence from oldest to youngest. They explain how fossils can be used to make inferences about past life, climate, geology, and environments and discover...
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The Periodic Table
In this science worksheet, students use a periodic table to complete the first four rows of a chart. Students use the Internet or research books to complete the last column.
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Nuclear Chemistry
In this nuclear chemistry instructional activity, students answer 9 questions. They balance nuclear equations, they write balanced equations, they calculate decay and they find binding energy of atoms.
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Kinetics Practice 2-Key
In this kinetics instructional activity, students solve seven problems related to chemical reactions and their rates. Students identify rate laws for mechanisms, they draw reaction diagrams, and they determine rate constants.
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Connection to Fine Arts: Carbon-Dating Masterpieces
In this carbon dating instructional activity, students read about how carbon-14 is used to date historical paintings. They answer questions about carbon dating and its importance.
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Make Your Own Periodic Table Worksheet
In this periodic table worksheet, learners make their own periodic table using 12 given elements and their properties. Students use these elements to arrange them into the proper periods and families based on their properties.
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Have You Heard about the Clinton, New Jersey Story?
In this radon worksheet, students read about radon in the city of Clinton New Jersey. They compose a play about a family in Clinton New Jersey who is face with high concentrations of radon in their home and how they deal with it....
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America's Energy Future
Students write a proposal to save energy resources. In this energy lesson, students research nuclear energy, coal power, petroleum, natural gas, hydroelectric power, and renewable energy. Students then debate energy issues and share...
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Graphs involving Exponential Functions
In this algebra worksheet, students graph exponential functions and analyze it for growth and decay. There are 9 problems with an answer key.
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Chemical Calculations and Chemical Formulas
In this stoichiometry worksheet, students calculate molar masses, empirical and molecular formulas to solve 105 problems and short answer questions.
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Breaking News: Second Explosion at Japan Nuclear Plant (14th March, 2011)
Students explore current events by sharing information about the Japanese nuclear plant. In this nuclear energy lesson, students discuss the pros and cons of nuclear energy plants and whether or not they can typically withstand natural...
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