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Ice Ain't Easy
Young scholars are introduced to the laws of thermodynamics. The 1st law of thermodynamics states that the energy must be conserved when two objects of different temperatures come in contact. If one object gains energy, the other object...
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Activity #8 Simulation of Oil Spills
Students conduct an experiment to simulate an oil spill and identify the characteristics of oil in water. They evaluate the effectiveness of various cleanup methods. They discuss the how to clean up an oil spill, and what causes oil...
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Activity #13 Changing The Look of Sugar
Students observe what happens when sugar is dissolved in water and when it is heated. They weigh the products after each of the two experiments on a balance scale. Pupils distinguish between physical and chemical changes. Students are...
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Chemistry II Enthalpy Worksheet
In this enthalpy equation worksheet, students are given 3 examples of chemical reactions. Students then respond to 4 practice problems and 1 challenge problem in regard to heat and energy change and release.
Creative Chemistry
Use of Common Metals
In this metals learning exercise, learners read about the different properties of aluminum, copper, and iron and determine why these metals are used the way they are. The exercise has five short answer questions.
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Types of Chemical Reactions
In this chemical reactions worksheet, students fill in 12 blanks, determine if 5 statements are true or false, match 4 types of reactions with their description and solve 2 problems related to balancing equations and chemical reactions.
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Characteristics of Crystals
In this crystals learning exercise, students complete a graphic organizer by filling in the characteristics of the different crystal types including melting/boiling point and electrical conductivity.
Creative Chemistry
Physical Properties of Group 1 Elements
For this elements worksheet, students complete a graphic organizer by filling in the symbol and atomic number for the given elements. Students plot a graph of melting point against atomic number. Students write the electron arrangements...
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Calorimetry Worksheet
In this calorimetry instructional activity, students determine the change in enthalpy, sketch the heating curve, and determine the specific heat and heat of fusion for a given compound. This instructional activity has 4 problems to solve.
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Comparing Properties of Elements & Compounds
In this elements and compounds worksheet, students review the physical properties of different compounds and elements using websites for information. This worksheet has 1 graphic organizer and 1 short answer question.
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How Can we Measure the Rate of a Chemical Reaction?
Learners examine different types of chemical reactions. They explore how alcohol molecules affect the reaction rates. They answer discussion questions to end the lesson.
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The Conceptual Theory of Chromatography
Students conduct a lab to determine the best way to separate a variety of mixtures choosing between paper, thin layer and column chromatography. They use chromatography techniques to identify unknown substances and submit a lab report on...
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Investigating the Shapes of Covalent Molecules and Measuring their Respective Bond Lengths and Bond Angles
High schoolers will draw Lewis structures of common covalent compounds using a Chem 3D computer program. They will predict the shapes of the molecules, complete a data table, and formulate rules for predicting shapes of molecules. In the...
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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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How Are The Properties of Covalent Compounds Influenced By Chemical Bonding?
Students work together to observe the bond lengths of single, double and triple bonds. They make their own predictions about the strength of the bonds and chemical reactions. They answer discussion questions to complete the lesson.
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Safety Labels In The Chemistry Laboratory
In this science worksheet, students examine the safety labels that are displayed in the laboratory and then are expected to complete the homework questions.
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Relative Mass Formula, Atomic Formula, and Empirical Formula
After giving the definitions of the different compound terms and formulas, equations are provided to teach your chemists to calculate different values. Relative formula mass, atomic mass, and empirical mass are shown and explained with...
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Conversion Factors
In this conversion factors worksheet, students convert 15 measurements from one unit in the SI system of measurement to another unit. Students show their work and indicate the unit of measurement. Conversion factors are given.
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Bond Energies
Before completing this worksheet, chemists are supposed read a portion of their textbook. Assign the chapter on bond energies, endothermic, and exothermic reactions. Then have your class answer the questions and fill in the data tables...
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Secret Agents of Dissolved Oxygen
Students determine the changes in different types of water in a sealed container over time. They investigate how to measure dissolved oxygen, temperature, and carbon dioxide with calculator or computer probe-ware. Students determine the...
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Ammonium Nitrate - Heat of Solution
Students quantify the relationship between temperature, energy and heat
and define an endothermic reaction. They measure the energy change caused by dissolving one mole of ammonium nitrate in water.
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Acids and Bases in Water
In this acids and bases activity, students read about what happens when an acid or base is added to water. Students complete 6 short answer questions.
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Solubility of Ionic Substances
In this solubility worksheet, students identify substances as either ionic or molecular, define saturated solution and solubility, and calculate concentration of solutions. This worksheet has 7 short answer, 5 fill in the blank, and 27...
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Effects and Applications of Nuclear Chemistry
In this nuclear chemistry learning exercise, students determine the biological effects and the applications of nuclear chemistry. Then students use Einstein's theory of special relativity to complete 3 problems.