American Chemical Society
Combustion and Burning
On Earth, a candle flame points up, but on the International Space Station, it forms a sphere. Young scientists practice their skills by recording observations before, during, and after a candle burns. Chemical and physical...
Royal Society of Chemistry
Acids and Salts
How well do your young chemists know their acid-base reactions? Reinforce neutralization reaction and problem-solving skills with a challenging interactive. Learners examine the reactants, then predict the outcome in a series of...
Concord Consortium
Graphical Depictions
Parent functions and their combinations create unique graphical designs. Learners explore these relationships with a progressive approach. Beginning with linear equations and inequalities and progressing to more complex functions,...
Concord Consortium
City of New Orleans
In the United States, most trains operate at a top speed of 100 miles per hour. Scholars use information on the distance and time of a train trip to determine if the train ever reaches a specific speed. They connect pieces of information...
Creative Chemistry
Oxidation of Ethanol to Ethanal
Here is a laboratory exercise in which chemistry masters conduct an oxidation reaction to change ethanol into ethanal. They compare the original alcohol to the resulting aldehyde by forming a precipitate. This activity is aimed at...
Chymist
Alum from Waste Aluminum Cans
Turn aluminum cans into pickles! An engaging experiment has learners chemically change aluminum into a substance with many purposes including the manufacture of pickles. After performing the chemical conversion, the experimenters verify...
Royal Society of Chemistry
Lead Compounds: Precipitation Reactions and Pigments—Microscale Chemistry
Colorful lead compounds never fail to impress! Solubility scholars examine a series of double replacement reactions involving lead nitrate and record their observations. The second part of the experiment illustrates the differences...
Curated OER
Stoichiometry Homework
In this stoichiometry homework worksheet, high schoolers balance each chemical equation. Students calculate how many grams, moles, and molecules are present in each problem provided.
Curated OER
Stoichiometry
In this stoichiometry worksheet, high schoolers calculate balance the chemical equations and then calculate the moles needed to complete or activate the chemical reaction. Students also calculate the volume or grams needed for each...
Curated OER
Inorganic Reactions
In this inorganic reactions worksheet, students complete 7 chemical reactions by predicting the products and balancing the equations.
Curated OER
Logical Problem Solving
In this logical problem solving worksheet, 7th graders solve and complete 4 different types of problems. First, they fill in the boxes for each balance problem. Then, students state whether each statement given is true or false and give...
Curated OER
Algebra: Lesson 4
Eighth graders participate in using algebraic proportional reasoning to find the missing amount that balances on a scale. Substitution is used to discover the missing objects on a scale. They answer multiple choice questions that are...
Curated OER
Hess's Law Cycle
In this chemistry worksheet, students write the balanced equation for the formation of one mole of fat from its elements under standard conditions. Then they write the balanced equation of the combustion of this fat. Students use Hess's...
Curated OER
Chemical Changes
Students identify the characteristics of what occurs during a chemical change. In groups, they review the two types of chemical changes and practice balancing equations. In an experiment, they observe the change occuring and must use...
Curated OER
Limiting Reactant Exercise
In this chemistry worksheet, students write the balanced equation for the problem at the top of the sheet. Then they determine which reactant is the limiting reactant and which one is in excess. Students also explain the procedures for...
Curated OER
Reaction Kinetics
In this chemical reactions worksheet, students determine the reaction rate for various reactions, write balanced equations, create graphs showing the reaction over time, and calculate the activation energy and potential energy. This...
Curated OER
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.
Curated OER
Energy Balance: The Ins and Outs
Students review data from a 24-hour dietary recall to gain a practical understanding of information regarding energy intake and macronutrients.
Curated OER
Energy and Stoichiometry
In this stoichiometry worksheet, students calculate the amount of heat energy released in combustion equations. This worksheet has 4 problems to solve.
Curated OER
Determination of Equivalent Weight of an Acid
In this chemistry worksheet, students look for the weight of acid and examine its mass using chemical equations and a laboratory procedure.
Curated OER
Accounting - Debits and Credits (Senior, other) the accounting equation as:
Twelfth graders explore accounting debits and credits through accounting equations.
Curated OER
Balanced Students
Young scholars investigate the relationships between weights, and construct a balanced first class lever. They formulate a general equation for the relationship explored in the experiment and perform calculations.
Curated OER
Chemistry Equations
For this chemistry worksheet, students balance the list of equations given using their knowledge of the Periodic table. There are 27 equations to solve on the sheet.
Curated OER
WS 4.4 Stoichiometry Part 2
Four balanced chemical equations are presented for your pupils to analyze. They identify limiting reagents and use dimensional analysis to compute products. This practical worksheet is one that you will want to keep in your repertoire to...
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