Worksheet
Curated OER

Complete the Square

For Students 9th - 12th
For this quadratic equations worksheet, high schoolers complete the square, factor a trinomial, and solve using square roots. There are eight questions with a provided workspace.
Lesson Plan
Curated OER

Integer Algebraic Addition

For Teachers 7th - 10th
Students use algebra tiles to solve linear equations with integer solutions. For this algebra lesson plan, students use the additive inverse and the zero pair concept.
Lesson Plan
Curated OER

Predators and Prey

For Teachers 4th - 8th
Students explain how the food chain works. They contrast predators with prey and describe their function in nature. Students discuss how the food chain aids in keeping nature balanced. In small groups, they play a game that simulates the...
Worksheet
Curated OER

False Coins

For Students 9th - 11th
In this algebra instructional activity, students use a balance scale to weigh coins and identify which coin is fake. It is important to have the scale balanced like you would an equation. There is an answer key.
Lesson Plan
Curated OER

Calculating Rates

For Teachers 10th - Higher Ed
For this rates worksheet, learners determine the rate of production or consumption for given reactions. Students write chemical equations in complete ionic form or net-ionic form. This worksheet has 6 problems to solve.
Worksheet
Curated OER

Predicting the Products of a Reaction

For Students 10th - Higher Ed
For this reactions worksheet, students predict the products of 10 equations given the reactants and the type of equation such as decomposition, synthesis or single displacement.
Worksheet
Curated OER

Kinetic Energy

For Students 9th - 12th
For this energy worksheet, students use the kinetic energy equation to solve for speed or mass. This worksheet has 11 problems to solve.
Worksheet
Curated OER

Using Integers to Show Differences

For Students 5th - 7th
In this integer worksheet, students use integers to show differences in temperatures by solving 7 short word problems. They find the differences in 7 more equations.
Worksheet
Curated OER

Applying the Activity Series

For Students 9th - 12th
In this activity series learning exercise, high schoolers read about single replacement reactions and are given a table with the activity series of metals and nonmetals. Students use the activity series to predict if reactions will occur...
Worksheet
Curated OER

Chapter 11: Practice Worksheet - Word Problems

For Students 11th - 12th
In this practice instructional activity, students read word problems, write an equation representing the problem, and solve the equation. Problems contain rate of change, simple and compound interest. This two-page instructional...
Worksheet
Curated OER

Newton's Second Law

For Students 9th - 12th
For this Newton's law of motion worksheet, students review the concepts and equation associated with Newton's second law of motion. Students complete 7 matching and 5 true or false questions.
Lesson Plan
Curated OER

Density and Buoyancy Lesson Plan

For Teachers 9th - 12th
Students investigate why some objects float or sink in water. In this physics lesson, students calculate the density of clay ball using a mathematical equation. They write a complete lab report about the experiment.
Lab Resource
Pingry School

Heat of Reaction and Hess's Law

For Students 9th - 12th
Melting and burning might seem like opposites, but both exist as common examples of exothermic reactions. Scholars work with three different exothermic chemical reactions to determine the enthalpy changes. They measure and mix chemicals,...
Lesson Plan
Chymist

Tritration: Standardization of a Base and Analysis of Stomach Antacid Tablets

For Students 9th - 12th
Do antacid tablets really do what they claim? An experimental lesson attempts to answer this question. Individuals practice the process of titration during the first part of the experiment. They then use those skills to neutralize an...
Activity
American Chemical Society

Exothermic, Endothermic, and Chemical Change

For Teachers 9th - 12th Standards
Scientists can't observe bonds breaking or forming, so how do they distinguish between exothermic and endothermic reactions? Young scholars complete two experiments to do just that. They monitor temperature change and calculate the...
Interactive
Royal Society of Chemistry

Extraction of Copper

For Students 6th - 12th
Is copper found as a raw material? Science sleuths manipulate the reactants and products found in the copper extraction process in a series of fun puzzles. The interactive engages learners in pairing formulas with their names while using...
Interactive
Royal Society of Chemistry

Sodium Halide Reactions with Conc. H2SO4

For Students 6th - 12th
What do you get when you combine precipitate reactions with puzzles? Maximize the engagement in a single replacement reactions lesson by incorporating fun puzzles. Chemistry scholars observe the reaction between several sodium halides...
Lesson Plan
Curated OER

Measuring Reaction Rates

For Teachers 10th - Higher Ed
In this chemical reaction worksheet, pupils determine the rate of consumption or rate of production for given reactions. This worksheet has 14 problems to solve.
Worksheet
Curated OER

Atoms and Their Interactions

For Students 9th - 12th
In this atoms worksheet, students will review the characteristics of elements, atoms, and isotopes. Then students will compare the difference between ionic and covalent bonds. Finally, students will balance a chemical equation. This...
Lesson Plan
Curated OER

Molar Ratio

For Teachers 11th - 12th
Students conduct an experiment in which they react sodium bicarbonate with hydrochloric acid to determine the molar ration between the two reactants. Students must write correct formula and a balanced chemical equation and explain how...
Lesson Plan
Curated OER

Iron Filings

For Teachers 10th - 12th
Students conduct an experiment in which a solution of copper(II) sulfate is added to iron filings. They write and balance the equation for the reaction that occurs and calculate the amount of iron that reacted and the percent yield of...
Lesson Plan
Curated OER

Hang Time

For Teachers 11th - 12th
Students discuss how all objects fall at the same rate and vertical motion is independent of the horizontal motion. Students apply this information to center of mass activities before solving equations.
Lesson Plan
Curated OER

Awareness of Pre-algebra Concepts

For Teachers 3rd - 8th
Learners work in a cooperative group of three to solve algebraic equations with roles assigned for manipulator, recorder, and checker. They utilize hands-on learning materials imbedded in the lesson plan.
Worksheet
Curated OER

Water Quality

For Students 6th - 12th
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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