Curated OER
The Effects of Osmotic Balance and Imbalance In Living Cells
Students investigate osmotic balance in living cells. In this osmotic balance lesson plan, students use elodea leaves to study the effects of salt solutions on the cell. They compare the changes in an elodea leaf with salt water on it to...
Curated OER
Land and People: finding a Balance
Students discuss "The Enemy Within: The Struggle to Clean up Cape Cod's Military Superfund Site" by Seth Rolbein by figuring out how there should be safe groundwater. In this science lesson, students pretend to be an interested party for...
Curated OER
Pond Water Web
Students familiarize themselves with the common organisms that live in a pond and discover their importance in a balanced aquatic habitat as they create food webs. They also investigate how an environmental change affects the habitat as...
Curated OER
Desert Adaptations: Water
Students experiment with methods of water conservation. In this water conservation instructional activity, students explore the importance of water for plants and animals in a desert biome.
Teach Engineering
Rock and Boat
Present the class with a question on whether the water level of a pond will rise they take a large rock out of a boat and drop it into the pond. Groups come down on all sides of the question and try to justify their answers. The activity...
Normal Community High School
Chemical Equations
Viewers learn how to identify the substances in a chemical reaction, how to balance it, and the different types of chemical reactions by watching a presentation that also includes a review of monomers and polymers. The presentation ends...
American College of Sports Medicine
Selecting and Effectively Using Hydration for Fitness
How much water does your body lose during exercise? How much should you hydrate during and after exercise? Address the importance of hydration with your young athletes using this informative handout.
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...
Balanced Assessment
Bathtub Graph
Represent the relationship between independent and dependent variables through a modeling situation. The activity expects learners to graph the volume of water in a bathtub during a given scenario. The graph should result in two areas of...
Curated OER
Completing/Balancing Word/Symbol Equations
For this chemistry worksheet, high schoolers predict the reactants and products of chemical reactions. They complete and balance 10 chemical equations.
Curated OER
Are You Balanced With Your Environment?
Students discuss the impact of not keeping the environment in balance for future generations. As a class, they are introduced to the concept of "Balance of Nature" and what it means. In groups, they research the role of trees and how to...
Curated OER
Rising Waters
Fourth graders rank balls by size from smallest to largest and from lightest to heaviest and then by how much they made the water rise. They then discuss why certain balls make the water rise higher than do other balls.
Curated OER
Maintaining the Natural Balance
In this pollution worksheet, students will identify the sources of air, water, and land pollution. Then the students will list some of the problems caused by these types of pollutions in 3 short answer questions.
Curated OER
Balancing Reactions, Stoichiometry, and Limiting Reagents
In this stoichiometry worksheet, students write out reactions and balance the equations. Students determine the limiting reagents and calculate moles and grams. This worksheet has 4 problems to solve.
Curated OER
Chemical Word Equations
In 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
Stoichiometry
In this stoichiometry worksheet, students use balanced equations for chemical reactions to determine the percent yield and the mass of product produced. This worksheet has five problems to solve.
Curated OER
5 Types of Chemical Reactions and a Lab on Mole
Young scholars recognize the concepts of the five general types of chemical reaction: combination, decomposition, single replacement, double replacement and combustion. They practice classifying chemical equations and determine the moles...
Curated OER
Quantitative Relationships in Chemical Equations
In this chemical equations worksheet, students balance the equations and then determine the number of moles of product or reactant. This worksheet has 7 problems to solve.
University of Texas
Heat Transfer and Energy Balance
Learn about conduction, convection, and radiation with an illustrative presentation. It includes slides about atmospheric movement and how it affects the climate, solar radiation, and how latent heat can form storms.
Curated OER
Boat Safety and Water Sports - Lesson 20 - Dry Land Wake Board Work
Lesson 20 is part of a 22 lesson unit on boat safety and water sports. The focus in this lesson is getting up on the wake board. If you click on the resource link at the bottom of the page, there is another resource link that goes to the...
Cornell University
Fibers, Dyes, and the Environment
Nanofibers can be made through electrospinning or force spinning in order to reduce the negative impact on the environment. Pupils study the role of fibers and dye on the environment through a series of five hands-on activities. Then,...
Curated OER
Fluids, Electrolytes, and Acid-Base Balance Study Questions
In this fluids, electrolytes, and acid-bas balance system study questions, students define 12 words associated with this system. They answer 12 short answer questions about the components of the acid-balance system.
Curated OER
Regulating the Internal Environment
This presentation begins with the many problems multicellular organisms which rely on diffusion encounter. There are many diagrams of mammalian organ structures, and they are labelled with their relevant functions. This an excellent...
Curated OER
Transport in Plants
Quite a detailed and advanced look at the transport mechanisms of a plant. The absorption and control of sugar and water concentration are explained and will help an understanding of homeostasis concepts and organ specialization.