Lesson Plan
Curated OER

Systems of Linear Equations

For Teachers 9th - 12th
Students use the calculator to represent a situation as a table, graph, and equation. They write systems of equations and find solutions to systems of equations. In addition, they explain and justify how they determined their solutions...
Worksheet
Curated OER

Worksheet Six: System of Equations

For Students Higher Ed
In this system of equations worksheet, students solve systems of equations. They plot functions and evaluate solutions as floating point numbers. This two-page worksheet contains 8 multi-step problems.
Worksheet
Curated OER

Are All Equilibria Created Equal

For Students 9th - 12th
In this equilibrium worksheet, learners read about the factors that effect equilibrium in solutions such as the pressure of the solution, the temperature and the concentration of the solution. They answer three multi-part questions about...
Lesson Plan
Curated OER

Cell Size and Division or How Big Would You Want To Be if You Were a Cell?

For Teachers 6th - 12th
Students investigate why cells divide. In this cell size lesson plan, students observe how far a solution travels into 3 different size model cells of agar. They answer questions about the most effect movement of "nutrients" into the...
Lesson Plan
Curated OER

Proving that You Have Found the Minimum

For Teachers 10th
Tenth graders pretend to set up an ice cream shop in a make believe town of shapes.  In this geometry lesson, 10th graders work together to put up an ice cream stand in an ideal location and solve for the minimum given the shapes.
Worksheet
Curated OER

Consecutive Integers, Sum of 100

For Students 9th - 12th
In this secondary mathematics worksheet, students determine the number of sets of consecutive positive integers who have a sum of 100.  The one page worksheet contains one problem with the solution. 
Lesson Plan
Alabama Learning Exchange

Can Plants Be Grown in Space?

For Teachers 3rd - 5th
Students investigate finding a solution to growing plants in space. They define key vocabulary terms, conduct an experiment growing plants, explore various websites, and participate in a live video conference with NASA regarding the...
Lesson Plan
Curated OER

The Motion of a Virus Through a Population

For Teachers 8th - 12th
Students test the factors that influence the rate at which a virus spreads through a population. They complete a lab activity then discuss data collected and review and answer a set of questions.
Lesson Plan
Curated OER

pH Scale, acids and bases

For Teachers 8th
Eighth graders define the pH scale, acids and bases. They distinguish between acidic and basic solutions using litmus paper. Students review simple chemical formulas. They define the subscript and coefficient in terms of chemical...
Lesson Plan
Curated OER

An Introduction To Solving And Graphing Inequalities

For Teachers 10th - 11th
Learners graph inequalities and solve the equations. In this algebra lesson, students graph their solutions on a number line and create an inequality for a word problem.
Lesson Plan
Curated OER

Problem Solving---A Part of Everyday Thinking

For Teachers 4th - 12th
Young scholars demonstrate knowledge of the six basic steps to problem solving. They demonstrate ability to apply these six basic steps to problem solving by guiding other students in the solution of a given problem or set of problems.
Lesson Plan
Curated OER

Performance Art and The Waste Stream

For Teachers 3rd - 4th
Students research local waste management services, discuss findings, give opinions about what they have found, offer solutions and ideas, and create performance art, design art works, and fine art works to convey information on waste...
Worksheet
Curated OER

Semicircles

For Students 10th
In this geometry worksheet, 10th graders are presented with a problem involving semicircles.  The diagram appears simple, though it turns out to have a many segments to be labeled with variables.  The key to solving the problem...
Lesson Plan
Curated OER

The Way of Water in the World

For Teachers 9th - 12th
Young scholars explore problems and design solutions in relation to water issues. In this interdisciplinary lesson plan, students play an interactive game in order to explore global water issues to create solutions for the water problems...
Worksheet
Curated OER

My Type of Mixture

For Students 8th - 12th
In this mixture worksheet, students fill two test tubes with water and add starch to one and salt to the other. They stir the solutions and observe their appearance. They answer four questions about their mixtures and determine if they...
Lesson Plan
Curated OER

The Human Knot

For Teachers 6th - 8th
Students practice cooperative learning skills by finding a solution to the group's "knot."
Lesson Plan
Curated OER

Cool! Awesome! What is it?

For Teachers 5th - 8th
Learners work in small groups to brainstorm hypotheses about mysterious science photographs, read and interpret answers to the science photographs, cooperatively develop a set of clues for the images and develop their own science photo...
Lesson Plan
Curated OER

Properties of Soaps

For Teachers 9th - 12th
Students investigate 3 types of soap. In this properties of soaps lesson plan, students test soap with pepper and observe the reaction between the two. They make observations of the 3 types of soaps and make a chart to compare each. They...
Lab Resource
Creative Chemistry

Thermometric Titration Involving Dataloggers

For Students 9th - 12th
In this thermometric titration learning exercise, learners determine the concentrations of hydrochloric acid and ethanoic acid using a titration where they measure the temperature of the solution as it is titrated. The equivalence point...
Lesson Plan
Curated OER

Fabulous Feline

For Teachers 5th - 7th
Learners discuss problems associated with having a pet. In this pet lesson, students are given sample problems and must find the solutions.  Learners complete a pet worksheet. 
Lesson Plan
Curated OER

Pollution Assessment: Is Wood Lake a Good Lake?

For Teachers 7th - 8th
Students become aware of pollution in Richfield Minnesota's Wood Lake, identify sources of pollution in Wood Lake, learn to use variables, equations, spreadsheets and modeling software, and generate solutions for the problem.
Lesson Plan
Curated OER

REDOX Lab

For Teachers 10th - 12th
Students produce copper metal by electrolysis. In this REDOX lesson plan, students use a copper (II) chloride solution and a 9 volt battery to produce copper metal through an electrolysis reaction. Students make observations and take...
Lesson Plan
Curated OER

Mystical Membrane

For Teachers 9th - 12th
Students investigate osmosis, diffusion and a semi-permeable membrane. In this cell membrane lesson plan, students observe the movement of molecules out of a bag filled with sugar and starch into a beaker of water. They test the beaker...
Lesson Plan
Curated OER

The Tests of Fluids for Excess Glucose, Amino Acids and Salicyclic Acid

For Teachers 6th - 12th
Students test fluids for amino acids, glucose and salicyclic acid. In this chemistry indicators lesson plan, students use chromatography paper, Benedicts solution and iron chloride to test solutions for amino acids, glucose, and...