Curated OER
1999 U.S. National Chemistry Olympiad Part III
In this chemistry olympiad laboratory worksheet, learners design and carry out two experiments. They design one experiment to test for the percent mass of a substance in a solution and they design another experiment to identify two...
Chemistry Collective
Virtual Lab: Gravimetric Determination of Arsenic
Arsenic in drinking water is a common problem in third world countries. Young chemists create a procedure to calculate the mass percent of arsenic in the soil. The virtual lab allows individuals to experiment with different methods.
Curated OER
Percent Deviation Rocks and Minerals
In this rocks and minerals worksheet, students calculate the percent deviation from various mass measurements taken of rocks or minerals. This worksheet has 10 problems to solve.
Curated OER
Additional Stoichiometry Review Problems
In this stoichiometry instructional activity, students interpret a chemical equation, determine number of moles produced or mass of product, and solve for the limiting reactant for reactions. This instructional activity has 25 problems...
Curated OER
The Preparation of Teraamminecopper(II) Sulphate-1-water
In this complex salt worksheet, high schoolers create teraamminecopper(II)sulphate-1-water using copper(II)sulphate, concentrated ammonia and ethanol. Students determine the formula mass for their product, the theoretical yield of the...
Curated OER
Solutions
For this solutions worksheet, students solve twelve problems including calculating products made in reactions, determining limiting reagents, calculating molarity of solutions, determining percent composition, and finding volumes and...
Curated OER
Calculating Errors of Measurement
In this errors in measurement worksheet, students answer four questions to show their understanding of errors when taking scientific measurements. They determine the percent error in each problem.
Curated OER
WS 4.8-Review
In this chemistry review worksheet, students solve a variety of problems including balancing equations, solving for unknowns using dimensional analysis, finding percent yields, limiting reactants and empirical formulas.
Kenan Fellows
Isotopic Pennies
Many people confuse atomic mass and atomic numbers. The sixth of seven lessons in a unit requires scholars to find the weight of different groups of pennies. Then, they must solve how many of each type of penny exists in a closed system...
Santa Monica College
Mole Ratios and Reaction Stoichiometry
Stoichiometry sounds complicated, but it really means the study of the amount of substances involved in a reaction. The sixth lesson in an 11-part series has scholars use stoichiometry to find the theoretical yield of a reaction. Then,...
CCSS Math Activities
Smarter Balanced Sample Items: 6th Grade Math – Claim 4
Develop a model for prep. The resource provides examples of how items reflect modeling and data analysis for Smarter Balanced assessments. Items use on-grade or below-grade content to focus on the modeling aspect. The questions revolve...
Curated OER
Percentages in Chemistry
In this algebra worksheet, students solve for percentages using chemical reactions as a real life scenario. The convert to grams when determining percentage of mass. There are lots of examples on how to convert for different units.
Curated OER
2000 U.S. National Chemistry Olympiad National Exam - Part I
The National Chemistry Olympiad exams are comprehensive tests covering an entire year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your general...
Curated OER
Finding the Percent of Iron in Lawnsand
In this percent of iron in lawnsand instructional activity, students perform a titration of lawnsand using potassium manganate (VII) solution and find the number of moles of iron in the sample. Students use the number of moles to find...
Curated OER
Chemistry Midterm Practice Exam
A comprehensive practice exam, this resource covers many areas of chemistry. The test includes 71 multiple choice questions on topics such as problem solving, chemical equations, chemical formulas, thermodynamics, acids and bases, and...
Chemistry Collective
Virtual Lab: Cola and Sucrose Concentration Problem
Recreate the secret Coca-Cola formula in a virtual lab. Young scholars create the solution and then calculate sucrose concentrations in terms of percent mass, molarity, molality, and mole fraction. Then using density, learners determine...
Teach Engineering
Swinging Pendulum
Get into the swing of things. Pupils use a pendulum to demonstrate the conversion of potential energy to kinetic energy and back. After measuring the speed of a pendulum and compare it to the calculated theoretical speed, they determine...
Curated OER
Percentage Composition and Empirical & Molecular Formula
In this compounds worksheet, students determine the empirical and molecular formulas for given compounds. This worksheet has 10 problems to solve.
Curated OER
Ammonium Nitrate - Efficient Fertilizers
Learners study the chemistry of ammonium nitrate and consider the advantages and disadvantages of this compound. They compare different fertilizers and calculate the molar mass and percent nitrogen in the different fertilizers.
Curated OER
Stoichiometry, Percent Yield and Limiting Reagents: practice problems
The questions here present situational problems and calculations to help your students understand the application of the math and data analysis practice.
Curated OER
Gravitational Potential Energy
In this energy learning exercise, students use the gravitational potential energy equation to solve for mass, height, or free-fall acceleration. This learning exercise has 10 problems to solve.
Curated OER
Supersonic Dream
Students explore how fuel use affects the mass of different planes during flight and graph their results. They determine the per person fuel cost of a transatlantic flight for seven airplanes
Curated OER
Data Collection Review Sheet
In this data collection worksheet, learners determine the number of significant figures in the given values, describe the difference between accuracy and precision, and calculate density and mass. This worksheet has 1 short answer...
Curated OER
Moles, Stoichiometry, and Concentration
In this stoichiometry instructional activity, students practice calculating moles, molar mass, and percentage composition of given compounds. This instructional activity has 55 problems to solve.
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