Net Texts
Hess's Law Worksheet
Challenge young scholars' understanding of thermochemistry with this skills-practice worksheet on Hess's Law. Given a series of five multi-step chemical reactions, learners must determine the overall change in entropy...
Curated OER
Reactions and Equations Lab , Spring 2003
Seven reactions are detailed on the slides in this PowerPoint. The reactants and products are labelled on the photos. Your students are expected to be able to write the equations for the reaction that is happening in the image given....
CK-12 Foundation
Crash
Explore the chemistry behind the airbags that keep you safe in a collision. Using a simulation, your classes find the best gas to use to inflate an airbag. The simulation shows the time it takes to inflate to a maximum volume....
National Nanotechnology Infrastructure Network
Lab 2: Nanocatalysts Clean Your Car Emissions
Surface area certainly surfaces as a variable for chemical reaction rates. Scholars perform an experiment to discover how the size of catalysts affect the rate of a chemical reaction. They record their results in tables and graphs to...
Royal Society of Chemistry
Energy—Gifted and Talented Chemistry
What has more energy than a room full of pupils after a fire drill? This lesson plan! Explore the changes in energy during different chemical reactions, discover why some reactions feel cold and others feel hot, and tackle the concept of...
American Chemical Society
Different Substances React Differently
Looks don't tell the whole story. Young experimenters explore reactions with substances that look similar. They observe the reactions that take place when combined with baking soda and use indicators to conclude they react differently...
Curated OER
An Experiment in Alchemy: Copper to Silver to Gold
How exciting would it be for your chemistry class to produce their own "gold"? This experiment allows pupils to witness the chemical reaction of copper pennies as they react with zinc and sodium hydroxide to produce "gold" tokens. It is...
Concord Consortium
Catalysis
Get ready to kick things up a notch! Young scientists explore the effects of catalysts using a fun interactive. Learners start the reaction without using a catalyst, then add one over time to examine its effects on reaction rate.
National Institute of Open Schooling
Adsorption and Catalysis
Adsorption, not absorption, is when atoms stick to the surface of an object, like water sticking to a grain of sand. An informative lesson delves into adsorption, teaching physical and chemisorption and the factors that affect them....
Curated OER
WS 4.6 Types of Reactions
In this chemical reactions activity, students are given the reactants of equations and must complete each equation by writing the products and balancing the equation. They must also identify the type of reaction.
Curated OER
Rates of Reactions end Enzymes
Introducing enzymes and the controlling factors of a reaction this slideshow displays the typical rate of reaction graph and labels the main sections. The summaries of ways to measure reaction rates are valuable and the examples of...
Curated OER
Chemical Reactions With Vinegar
Second graders observe chemical reactions. In this scientific inquiry lesson plan, 2nd graders determine whether vinegar creates a chemical reaction by observing two different experiments. A list of 7 supplies is included. In addition,...
Curated OER
Chemical Reaction of Carbonate Rocks and Acids
Students complete an investigation into the chemical reaction that occurs between carbonate rocks and acids. Working in groups, students design and conduct their investigation. They create a data table detailing their results. Results...
Curated OER
Thermodynamics: Enthalpy of Reaction and Hess Law
In this thermodynamics worksheet, students calculate the change in enthalpy for several given chemical equations provided. Students specify if the reaction was endothermic or exothermic in nature.
Curated OER
Acids, The Basics: What are They and How Do We Name Them?
What acids are and how they are named are the main topics approached in this slide show. Explore the definitions and behavior of acids, along with directions for naming and writing reactions. The last slide has some practice...
Curated OER
Dry Ice Activities Mini Lesson
Get your middle schoolers experimenting with dry ice. In the first activity, they place a piece in water and then use phenol red to identify its pH. In the second, they place a piece in a limewater solution and watch as the combination...
Curated OER
Writing Chemical Formulas
Students study how to write chemical fomulas by reviewing the combinations atoms form into compounds. They write a procedure to test various substances and name the compounds and write formulas. As they construct models for formulas and...
Curated OER
Chemical Change
Fifth graders watch a demonstration in which a balloon is inflated using the gas created by combining vinegar and baking soda. Then, in groups, they combine various assigned substances and watch and record the results.
American Chemical Society
Using Chemical Change to Identify an Unknown
If you discover an unknown powder, how do you determine if it is safe? Lesson uses four different tests to identify the properties of various powders that appear the same. Then scholars get an unknown powder and have to determine which...
Curated OER
Heat and Thermodynamics
This is actually a 10-day mini unit on thermal energy for your high school chemists. Every avenue is taken to get learners absorbed in heat: a pretest, a PowerPoint presentation, Internet exploration, demonstrations, lab activities, and...
National Institute of Open Schooling
Chemical Equilibrium
Le Chatelier's interest in thermodynamics and building materials such as cement and plaster led to the Le Chatelier Principle in 1884. Activity 13 in a series of 36 extensively explores chemical equilibrium. Learners read about...
Curated OER
Acids and Bases: Cabbage Juice Indicator
Fifth graders perform tests to identify acids and bases. For this chemistry lesson, 5th graders identify common household substances as acids or bases using cabbage juice indicator strips.
Kenan Fellows
Reaction Stoichiometry—How Can We Make Chalk?
What is a reasonable percent yield in the manufacturing process? Scholars develop a process for producing chalk in the third lesson of a six-part series. Then, they must determine the theoretical and percent yield. Discussions about...
Curated OER
Light Stick Chemistry
In groups of three with the lights off and the shades drawn, investigators place inactivated light sticks, in three beakers: one filled with ice water, another with lukewarm water, and the other with room temperature water. They wait...