Curated OER
Bhopal - Rate of Reaction
Learners determine that the rate of reaction is affected by temperature, surface area, concentration of reagent, and addition of a catalyst or inhibitor. They observe that on December 3rd, 1984, 8000 people died when the chemical plant...
Curated OER
Candy Reaction
In this triboluminescence worksheet, students use wint-o-green Lifesavers to observe a chemical reaction that gives off light. They break a lifesaver up with a hammer and make observations and they chew a lifesaver and make observations....
Curated OER
Scientific Method Experiment: Factors Affecting How Ice Melts
Students demonstrate the scientific method by conducting an ice cube melting experiment. They make predictions and observations, and conclude what factors make ice melt more slowly or quickly than normal.
Cornell University
Chemical Reactions
Investigate the Law of Conservation of Mass through a lab exploration. Individuals combine materials to initiate chemical reactions. They monitor for signs of reactions and measure the masses before and after the reactions for comparison.
University of California
Hot! Hot! Hot!
Calories are not tiny creatures that sew your clothes tighter every night, but what are they? A science instructional activity, presented at multiple levels, has learners experiment with heat, heat transfer, and graph the function over...
Curated OER
Activity #15 What Happens To A Liquid As Energy Is Added?
Learners model the arrangement of particles in a liquid. They use the model, to demonstrate how a gas is formed from a liquid with no increase in temperature as energy is added. Pupils model the arrangement and movement of gas particles.
Curated OER
Lose Some Weight- Evaporate!
Students determine that some liquids are able to evaporate more readily than others. They create a balance using cups and a ruler to determine which end of a strip dipped in alcohol or water evaporates the fastest, hence loses the most...
Curated OER
What is a Nanometer?
Learners develop a concept of the relative size of objects in the nanoscale. They complete an internet assignment using the website,"Scaling the Universe to Your Desktop". Using analogies to common objects they get an appreciation for...
Curated OER
Diaper Inquiry
Fifth graders carefully examine and investigate the products contained in a diaper. They particularly analyze the crystal sodium polyacrylate, a product developed for use in astronaut diapers. They follow the scientific method, forming...
Curated OER
Somethin' Sweet
Young scholars make their own candy. In this science lesson plan, students observe how molecules interact with each other in physical changes and observe how the addition of heat can cause molecules to interact and form new molecules in...
Curated OER
Summer Science Recipes: Experiments on the Grill and in the Kitchen
Generate ideas about the most scientifically sound ways to prepare foods safely and efficiently during the summer season. Learners will use the GED Connection Science Workbook, so they can practice the skills needed to prepare for the...
Cornell University
Bacteria Take Over and Down
Bacteria outnumber all other forms of life on Earth. Scholars observe the growth of bacteria in petri dishes to understand their role in maintaining good health. Then, they observe the growth of bacteria after they introduce...
University of Georgia
Splat!
What does viscosity have to do with splatter? An activity shows that the viscosity of a substance is inversely proportional to the distance of its splatter. Learners conduct the experiment by collecting data, graphing, and analyzing the...
Curated OER
Dilution and Concentration of Solutions
Future chemists practice laboratory techniques by creating a monochloramine solution. The objectives are to use of dilution, 9concentration, and measurement skills and to prepare a solution that will be used in a water treatment...
Cornell University
Vitamin C Module
Test the levels of vitamin C in different juices. After a lesson plan on the importance of vitamin C in our diets, learners use titration to determine the vitamin C content in juice. They use their experience with the titration to study...
National Nanotechnology Infrastructure Network
Nanotechnology Invention and Design: Phase Changes, Energy, and Crystals
What does it take to be considered a smart material? Learners investigate the properties of Nitinol, a smart material, through a hands-on lab activity. They examine the crystal lattice structure and the conditions required for Nitinol to...
Curated OER
Telling Our Own Stories
Explore online profiles and social media with your middle and high school classes. Use blogs to inspire your class to craft a well-written, thoughtful response to a prompt you give. A few example prompts are given.
Curated OER
Demonstrating That Light is Dissipated as Chlorophyll a Fluoresces
Learners examine the concepts of light and chlorophyll. They participate in an experiment in which the chlorophyll shows as a red ring on the test tube. They answer discussion questions to end the lesson.
Curated OER
The Chemical Nature of Water
Seventh graders simulate a Jeopardy game to examine the chemical nature of water. Among the topics featured are evaporation, water, salt, and temperature. finally, as review, 7th graders answer a battery of questions presented by the...
Curated OER
Elements And Atoms
High schoolers investigate the concept of elements and atoms. They conduct research using a variety of resources and use the information in order to create a class presentation. The instructional activity includes specific dialogue and...
Curated OER
Ice Cream Chemical and Physical Changes
Fourth graders identify characteristics of a simple physical and chemical change. They describe objects by the properties of the materials from which they are made and that these properties can be used separate. Students describe the...
Curated OER
Survival Science: How Evaporation and Condensation Can Save Your Life!
Eighth graders demonstrate how scientific principles can be used to provide resources in an emergency situation. In this evaporation instructional activity students view a demonstration on a solar still and see a brief PowerPoint...
Curated OER
Liquids and Solids
Students describe the properties of solids and liquids, and explain how a semiconductor works. In this atom lesson plan students demonstrate the bonding properties of carbon and silicon.
Curated OER
Sometimes, solid + liquid = gas
Third graders experiment with common household liquids and solids. In this chemical reaction lesson, 3rd graders discuss phase changes and experiment to find other ways to create gases. They use water, vinegar, lemon juice, flour, baking...