Curated OER
Gas Exchange
In this biology worksheet, high schoolers examine the process of respiration and specifically look at the biochemistry of gas exchange at the alveoli.
Curated OER
WS 8.2 Formation of Solutions
In this solutions worksheet, learners answer questions about the solubility of various substances in solvents such as oil in water and nitrogen gas in helium. They draw water molecules to show bonding between them and they diagram a...
Curated OER
Moles
For this moles worksheet, students review solubility, moles of solute, molar mass, and colligative properties. This worksheet has 10multiple choice questions and 11 problems to solve.
Curated OER
Unit 1 Matter and Energy
Topping this worksheet is a comprehensive collection of notes about phase changes. The phase change graph is displayed, along with formulas for the gas laws, and information relating energy to change of phase. After reviewing these...
Chymist
Determination of the Volume of CO2 in Pop Rocks
Where does the pop in pop rocks come from? An engaging activity asks scholars to measure the amount of carbon dioxide in a package of Pop Rocks candy. Learners dissolve the candy in water and use the solubility of CO2 to determine its mass.
Curated OER
Chemistry: Chemical Reaction
In this chemical reactions worksheet, students name the reactants and products, balance the equation, calculate the molecular weight of the reactants and products, and classify each reaction type. Students fill in a table of solubility...
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Water the Universal Solvent
In this water and solvent worksheet, learners answer 20 questions about solutes, solvents, polarity in molecules, and the characteristics of water as a solvent. Students answer 3 questions about the lab they completed using temperature...
Royal Society of Chemistry
Some Reactions of Carbon Dioxide—Microscale Chemistry
Precipitation reactions are always interesting. How about one that forms a precipitate using a gas? Chemists of any age will enjoy this twist on a standard solubility lab. Partners observe the lack of interaction between sodium hydroxide...
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2007 U.S. National Chemistry Olympiad Local Section Exam
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
Curated OER
2001 U.S. National Chemistry Olympiad - Local Section Exam
Sixty multiple-choice chemistry questions make up this comprehensive exam used for the 2001 US National Chemistry Olympiad. Every topic that you would expect to approach in a general chemistry class is queried on. You could easily use...
Curated OER
2009 U. S. National Chemistry Olympiad - Local Section Exam
Here is a copy of a past national challenge exam that you can use in your general chemistry course as a unit or semester review. Sixty multiple-choice questions query learners on properties of matter, stoichiometry, reactions, and...
Curated OER
Gas Transport
In this biology worksheet, students examine the transport of gases in the circulatory system and how they bond to hemoglobin.
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Practice Final
A full-fledged practice final prepares pupils for their general chemistry final exam. If they complete these 57 multiple-choice questions correctly, they will be well-prepared. Note: even though the questions are multiple-choice, there...
Curated OER
Version 001 – Exam 1 – David Laude (53015) 1
A 30-question multiple choice chemistry test challenges takers. Topics touched upon include thermochemistry, equilibrium, behavior of gases, and pH. Problem solving is required in order to answer most of the questions. Other questions...
Curated OER
Water Quality
In this water worksheet, students determine the factors that effect the solubility of gases, calculate the percent concentration of solutions, and give the balanced chemical equation for photosynthesis. This worksheet has 18 short answer...
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Matter in Solution
In this solutions activity, students review types of solutions, concentration and saturation of solutions, and suspensions and colloids. This activity has 10 fill in the blank, 7 multiple choice, and 6 short answer questions.
Curated OER
Writing Net Ionic Equations
In this ionic equations activity, students are given 20 equations to complete. They are to write the net ionic equation and indicate if a precipitate or gas is formed. In addition they are to determine if 11 compounds are acids or bases...
Curated OER
Chemistry Worksheet-Phase Changes
For this phase change worksheet, students answer twenty questions about changes in energy to a system. They analyze phase diagrams, the determine the effects of changes in temperature on a system, they answer questions about miscibility,...
Curated OER
Chemistry Practice
In this chemistry practice worksheet, students select the correct response to the given questions. Students apply knowledge about the states of matter, finding vapor pressure and atmospheric pressure.
Curated OER
Solutions
In this solutions activity, students calculate molality and mole fraction. Students define colligative property and determine what affects the solubility of gas in solvents. This activity has 2 short answer questions and 9 problems to...
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Stoichiometry
In this stoichiometry worksheet, students solve thirty problems using the process of stoichiometry to find moles, molecules, and masses of substances in chemical reactions. Students balance chemical equations, find limiting reagents and...
Pingry School
Kinetics of the Acid Decomposition of Thiosulfate
Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...
Curated OER
Chemical Word Equations
For this chemical reaction worksheet, students write a balanced equation for each of the word equations given. This worksheet has 12 problems to solve.
Curated OER
Acids And Bases
In this acid and base chemistry learning exercise, students solve 25 clues in a crossword puzzle based on the pH of common household solutions and common names of chemical compounds.