Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part III
Two laboratory problems are put forth for chemistry students. They are to plan and carry out an experiment that will answer each of the questions. The first asks them to investigate a relationship between the surface area of a potato and...
American Statistical Association
How Fast Are You?
Quick! Snap up the lesson. Scholars first use an online app to collect data on reaction times by clicking a button when the color of a box changes. They then plot and analyze the data by considering measures of center, measures of...
Teach Engineering
Skin and the Effects of Ultraviolet Radiation
Though UV radiation can damage skin, it isn't all bad. The third installment in a six-part series allows the class to study the structure and function of skin. They learn about the different types of skin cancer and the SPF rating...
Curated OER
Equilibrium
In this equilibrium activity, students determine the effect of adding or subtracting items from a reaction. Students determine the equilibrium constant for given reactions. This activity has 13 problems to solve.
Curated OER
Hot Rocks
Students demonstrate that setting of plaster and cement is a change, which involves a release of heat energy, use data collected experimentally to construct comparison graphs and analyze the graphs to make predictions about future...
Curated OER
What Can I Do?
Students investigate conflict resolution strategies. In this character education lesson, students list things that make them feel sad and are introduced to the conflict resolution strategy "think and share." Students role-play various...
Curated OER
Equilibrium Practice
In this chemical reactions worksheet, students determine solubility product expressions, equilibrium constants, and equilibrium concentrations. This worksheet has 15 multiple choice questions and 3 problems to solve.
Curated OER
Chemistry Lab: Chemical Equilibrium
Students investigate the effects of adding or removing a reactant or a product on chemical equilibrium. In this equilibrium lesson plan, students add or remove ions to solutions to determine the effects on equilibrium. They make...
Curated OER
Photosynthesis
Students conduct a variety of experiments on photosynthesis. In this biology lesson, students identify the factors required for the process to occur. They perform computerized experiments to test the amount of oxygen produced when plants...
Curated OER
Science Lessons
Tenth graders research about the different cell organelles. In this series of biology lessons, 10th graders compare two allotropes of carbon. They investigate how the rate of reaction is affected by concentration.
Curated OER
Reflexes
Students experiment to explain how reflexes, nerve impulses travel to the brain.
Curated OER
Enzyme Action
Students work with models of substrates and of enzymes and test the digestion of lactose with lactase. They determine if digestion of lactose has or has not occurred.
Curated OER
Physical and Chemical Changes
Young scholars examine the different changes in matter. In this chemical change lesson students determine the amount of reactant made in a reaction using the law of conservation.
Curated OER
How Fast Are You?
Students explore constructive ways of handling conflict. In this conflict resolution instructional activity, students brainstorm things that make them angry, sad, happy, etc. Students listen to a story and identify ways the characters...
Curated OER
Observing Atherosclerosis
Students develop a model to visually observe the change in blood flow rates between healthy and unhealthy arteries. They calculate data that they have collected and graph their results. They determine the relationships the flow of...
Virginia Department of Education
Equilibrium and Le Chatelier’s Principle
The best part of learning about equilibrium is that nothing changes. Young chemists observe four demonstrations during this lesson: equilibrium in a saturated solution, equilibrium with an acid-base indicator, equilibrium with cobalt...
Virginia Department of Education
Soap, Slime, and Creative Chromatography
Do you think chromatography paper suffers from separation anxiety? Young chemists make soap, slime, silly putty, and experiment with chromatography in this lesson. The material includes clear instructions for each experiment along with...
Curated OER
Newton's Three Laws of Motion Lesson Plan
Students explore Newton's three laws of motion using a variety of activities. In this physics lesson, students calculate the average speed of a vehicle they constructed using distance and time information. They identify and draw the...
Curated OER
Urban Impact on Chollas Creek (California): A Field Study
Students, in groups, take samples from a creek and keep a field journal on their samples. They also perform tests on their samples.
Curated OER
Revised “Understanding Nutrition” Activity
Students evaluate their current food choices. In this health science lesson, students test different drinks to rate the amount of Vitamin C content. They discuss results in class.
Virginia Department of Education
Determining Absolute Age
How can radioactive decay help date old objects? Learners explore half-life and radioactive decay by conducting an experiment using pennies to represent atoms. Young scientists graph data from the experiment to identify radioactive decay...
Centers for Disease Control and Prevention
What You Need to Know about Marijuana Use and Driving
Research indicates that marijuana can negatively affect coordination and judgment, making it dangerous to drive while under the influence. But does it increase the risk of car crashes? An informative fact sheet describes the ways...
Curated OER
Photosynthesis
Students conduct experiments with plants. In this photosynthesis instructional activity, students examine plants under different types of lights. They calculate the amount of dissolved ocygen concentration and compare it to the formula...