Curated OER
Binary Compounds
Binary compounds are explained with the periodic table, atomic charges, and examples. Viewers are taught to name binary compounds and then are presented with a chart of cations and ions. Finally, they see a few photos of forms of silicon...
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Molecular Modeling Activity
Learners explore the concept of molecular modeling and differentiate between saturated and unsaturated compounds. In small groups, they identify molecular formulas, complete a chart comparing alkanes, alkenes, and alkynes, and construct...
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Water and Diffusion
In this water and diffusion worksheet, students will explore the characteristics of water and the water molecule. Students will also answer questions about diffusion and the movement of materials due to concentration differences. This...
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Mole Conversions
In this compounds worksheet, students determine the number of molecules in molar mass for given amounts of different compounds. This worksheet has 5 problems to solve.
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Water and Ice
Students observe water as it changes form. In this water lesson students observe, measure, and describe water as it changes state.
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Water and Ice
Students examine water. In this chemistry lesson, student examine the physical properties of water and how it changes from a liquid to a solid or a gas. This lesson contains links to a second and third complimentary lesson on...
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Carbon Creating Activity
In this carbon worksheet, students follow directions and use marshmallows and toothpicks to made carbon dioxide and glucose molecules. Students do this to see how carbon changes as a result of photosynthesis.
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Chemical Formulas
Students examine the structure of molecules, their formula, and percentage composition of each element in the compound. They construct an organic compound with different functional groups using a modeling kit, and draw a 3-D structure...
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Matter
Fifth graders investigate the nature of matter and of the scientific processes associated with them in this series of lessons.
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Integrating Environmental Science-Ozone Depletion
For this ozone worksheet, students read about the ozone layer, its make-up and its depletion. They answer three critical thinking questions about ozone and the ozone layer.
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Direct Variation
In this Algebra I/Algebra II worksheet, students solve problems involving direct variation. The two page worksheet contains a combination of twelve multiple choice and free response questions. Answers are included.
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Candy Reaction
In this triboluminescence worksheet, students use wint-o-green Lifesavers to observe a chemical reaction that gives off light. They break a lifesaver up with a hammer and make observations and they chew a lifesaver and make observations....
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The Bio-fuel Project: Creating Bio-diesel
Students investigate bio-fuel. In this investigative lesson, students create bio-fuel from vegetable oil waste. Students will analyze, predict, collect and synthesize data from their experiments with bio-fuel.
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Diffusion across a Selectively Permeable Membrane
Lab groups fill a section of dialysis tubing with glucose and starch solutions and suspend it in a water bath. They use iodine as a starch indicator and a glucose test strip to find out if either of the materials crossed the selectively...
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Grow an Alum Crystal
What an exciting lab experiment to conduct with your high school chemistry class! Crystals are formed naturally in the environment. However, allow your blossoming chemists to create their own unique crystals using alum and...
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Physical and Chemical Properties of Water
Students experiment with water as a component of suspensions, solutions, and heat conduction contributing to the use of food and the health and wellness of human beings.
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Ten Multiple-Choice Rate, Ratio, and Proportion Problems
For this rate, ratio, and proportion worksheet, 7th graders solve ten multiple-choice problems. The solutions are provided by clicking on the "show answers" on the bottom of the page.
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Chemical Reactions and Burning Fossil Fuels
For this chemistry worksheet, students select answers to 24 multiple choice questions using the drop down box. They identify the different atoms involved in the chemical reaction.
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Iron Oxide Lab: Incorporating Math and Science
Students conduct an experiment in small groups, draw conclusions about the amount heat of a compound achieves and practice their data analysis skills.
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7.012 F’04 Problem Set 1 ~ Biology
Course identification information is included in the upper left corner as well as within the title of this learning exercise. If you overlook or remove that information, you are left with a tremendous college biology assignment. There...
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Chemistry of Carbon - Building Blocks of Life
A great review of the structure and function of carbon-based molecules important to life, especially with relevance to humans. The chemistry behind the combination of polymers and the breakdown of bonds is covered. Valuable content...
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Exam Review: Chemistry Calculations
In this chemistry calculations review worksheet, students solve 33 review problems about titrations, precipitates, pressure and volume of gases, combustion reactions, heat of combustion, molar concentrations and molecular formulas.
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Ionic Compounds
In this compounds worksheet, students review the structure and properties of ionic compounds, their formulas and nomenclature, and molecular mass and percentage composition. This worksheet has 4 short answer questions and 7 problems to...
Colorado State University
Why Can Warm Air "Hold" More Moisture than Cold Air?—Vapor Pressure Exercise
Does it feel a little humid in here? Learners assume the role of water vapor in the atmosphere as they explore the differences between warm and cold air. They roll dice to determine their level of energy, which determines if they...