Virginia Department of Education
Vapor Pressure and Colligative Properties
Hate to vacuum, but enjoy using a vacuum pump? Explore a lesson that starts with a demonstration of boiling water at various temperatures by using a vacuum pump. Then scholars design their own experiments to measure vapor pressure and...
Curated OER
What is Matter?
Students investigate what matter is and how it changes states. In this physical properties lesson, students examine the vocabulary database and identify the characteristics of the three phases of matter. Students perform a liquid vs....
Curated OER
Activity #13 Changing The Look of Sugar
Young scholars 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...
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A Potpourri of Thermo Questions
For this thermodynamics worksheet, students match terms to their definitions such as enthalpy, equilibrium, bond energy, and heat capacity. This worksheet has 20 words to match.
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Intermolecular Force
In this molecular force learning exercise, students list the different intermolecular and intermolecular forces exhibited in pairs of chemical compounds shown. Students list the different bonds found in several compounds.
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More Thermochemistry Problems
This two-page assignment covers basic thermochemistry concepts. Chemistry learners identify exothermic and endothermic processes, explain a phase change graph, and draw an energy level diagram. There are no problems to solve, just...
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Activity #9 Tye Green Blob
Students comprehend that a chemcial change produce substances with a different composition and physical and chemcial properties. They state the differences between physical and chemical changes. Pupils observe changes that occur during...
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Properties of Matter
Young scholars investigate the properties of matter. In this properties of matter lesson, students observe containers of different metals and discuss their properties including density. Young scholars find the density of an unknown metal...
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Solutions and Suspensions
Students explore matter by conducting an in class demonstration. For this liquid mixture lesson, students identify the difference between a solution in which a solid dissolves into liquid, and a suspension where the solid doesn't...
Mr. E. Science
Acids, Bases and Solutions
If you are not part of the solution, then you are part of the precipitate. The presentation covers solutions, suspensions, solubility, dissociation, and acid/base reactions. This is the 19th lesson in a series of 26.
Curated OER
Balancing Chemical Equations
Ninth graders explain how atoms and molecules form different substances during chemical reactions and how these processes require losing, gaining or sharing electrons. They correctly write chemical formulas and show how a balanced...
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Chemical Compounds
In this chemical compounds learning exercise, students identify the types of intermolecular forces present in the given substances, calculate the heat required to convert a liquid to gas, and explain the ideal-gas law. This learning...
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Unit 4 - Periodic Table
There are 17 multiple choice questions on this periodic table test. The focus is on properties of the elements by group and period. The exam is not formatted well, making it a little difficult to read. There is also a typographical...
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Compounds and Mixtures Notes
In this matter worksheet, students watch a movie and then compare the differences between compounds and mixtures. This worksheet has 16 fill in the blank questions.
Colorado State University
How Can Freezing Make Something Warmer?
Crazy fact—freezing liquid actually gives off heat! Young scholars investigate the transfer of energy when liquids freeze using a chemical heat pack. The heat pack gives off heat as its liquid core freezes.
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Chemistry: The Case of the Sunken Ice Cube
Students examine a density demonstration involving ice cubes and beakers of water and alcohol. After observing how one ice cube floats in water and sinks in alcohol, they determine which mixture of the two would suspend the ice cube in...
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Biochemistry Quiz
In this biochemistry instructional activity, learners review amino acids, proteins, lipids, and carbohydrates. This instructional activity has 29 multiple choice, 8 fill in the blank, and 3 short answer questions.
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Comparing Covalent and Ionic Substances
In this covalent and ionic substances activity, students use the internet to find information about the characteristics of covalent and ionic substance and explain what causes the differences in these types of substances.
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AP Chemistry: Acid-Base Worksheet
In this acid-base learning exercise, students solve multiple problems related to reactions of acids and bases. They determine pH of solutions, they find conjugate acids and bases, they calculate concentrations of acids and bases and they...
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IPC Chemistry Review
In this chemistry review worksheet, students classify and name compounds, calculate atomic mass, draw Lewis Dot Diagrams, and determine number of protons for atoms. This worksheet has 37 fill in the blank, 38 matching, and 3 short answer...
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Polymers-Greaaaaaat Biiiiiig Molecuuuuuules
Learners explore polymer properties. In this lesson about polymers, students perform an experiment to understand polymers, their properties, and that they are formed from small molecules. Learners role play pretending they are polymer...
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Mixed Review
In this chemistry worksheet, learners solve chemical equations and define terminology using previous knowledge. There are 8 review questions.
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Thermodynamics
In this thermodynamics worksheet, students review enthalpy, state functions, bond energy, and heat capacity. This worksheet has 2 multiple choice, 6 matching, and 12 problems to solve.
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How Many Drops?
Middle schoolers conduct a simple test to determine how many drops of each of three liquids can be placed on a penny before spilling over. They come up with an explanation for their observations about different amounts of liquids a penny...