Curated OER
Role of Energy in Reactions
In this energy learning exercise, students determine the enthalpy of exothermic and endothermic reactions. This learning exercise has 1 fill in the blank and 4 short answer questions.
Curated OER
Kinetics and Equilibrium
In this kinetics and equilibrium worksheet, students use the diagram to answer the questions as it relates to endothermic or exothermic reactions. Students indicate the result in the reaction rate as speeding up or slowing down.
Curated OER
Properties of Ionic Compounds
In this compounds worksheet, students describe why metals and nonmetals form ionic compounds and why the formation of ionic compounds are exothermic. This worksheet has 5 short answer questions.
Curated OER
Reaction Mechanisms
In this reactions worksheet, students give the equation for the overall reaction, identifying the catalyst in the equation. Students create graphs and write out the rate determining step. This worksheet has 4 graphs, 2 short answers, and...
Curated OER
Learning Outcomes
In this science worksheet, students explore the learning outcomes for a unit on chemical reactions. Students define 60 vocabulary words and answer a list of questions for each topic.
Curated OER
Chemical Reactions
In this reactions worksheet, learners state the differences between a coefficient and subscript and an exothermic and endothermic reaction. Students review the different types of reactions. This worksheet has 13 short answer questions.
Purdue University
Can You Design a Hot or Cold Pack?
You're getting warmer. Groups conduct an experiment to determine which of four chemicals are in hot/cold packs. They learn about exothermic and endothermic reactions and use this knowledge to design a hot/cold pack that is small enough...
Chemistry Collective
Virtual Lab: Temperature and the Solubility of Salts
Can your scholars solve the mystery of why salts dissolve? A virtual workbench allows them to experiment with temperature and solubility with no solution prep and no post-lab clean up! Users determine the solubility of a variety of...
NASA
Making Oxygen and Carbon Dioxide
Some like it hot! Scholars observe both exothermic and endothermic reactions as part of the carbon dioxide oxygen cycle. First, scientists demonstrate (or watch) a chemical reaction to create pure oxygen using fire for confirmation....
Next Generation Science Storylines
Why Do Some Things Get Colder (or Hotter) When They React?
Some reactions absorb heat while others release it. Young scholars investigate both types of reactions in a 12-lesson unit. Each lesson presents a lab investigation that monitors temperature and considers the types of reactions taking...
Curated OER
Interpreting Reaction Coordinates
For this reaction coordinates worksheet, students are given a diagram of the reaction coordinate for a reversible catalyzed and uncatalyzed reaction. Students answer eighteen questions related to the diagram.
Curated OER
Reaction Rates and Equilibrium Worksheet
In this equilibrium activity, students solve 8 problems to find the equilibrium constants and reaction rates of given equations.
Curated OER
Entropy and Free Energy
In this entropy instructional activity, learners define entropy and determine if reactions are exothermic or would occur spontaneously. This instructional activity has 10 problems to solve.
Curated OER
Magic Genie
Pupils observe the chemical change that occurs when sodium iodide is dropped into a flask containing 30% hydrogen peroxide. They discuss how this exothermic reaction occurred as they study the chemical equation involved in the reaction.
Curated OER
Vocabulary-Energy and Matter
For this energy and matter worksheet, students define 28 terms related to moles, matter, energy, the Law of Conservation of Energy, mass, properties of matter and states of matter.
Curated OER
Temperature and Keq
The presentation offers a set of three problems related to temperature and equilibrium reactions. It walks through solving each, reminding pupils how to figure for the forward and reverse rates.
Curated OER
Oxidation and Combustion: Chemical Reactions in Fire
Students investigate the art and science of pyrotechnics. In this chemistry and computer lesson plan, students learn about the chemical basis of fire and structure of fireworks. Students then apply their knowledge in creating virtual...
Curated OER
Animals of the Lost City
Begin with a demonstration of exothermic reactions and discussion of chemosynthesis. Your aspiring oceanographers research vent communities and then craft a mural of a vent community. This is a terrific method of introducing learners to...
Curated OER
Heat Loss and Gain in Physical Changes and Chemical Reactions
Students compare and contrast exothermic and endothermic reactions. For this chemistry lesson, students perform experiments to determine whether heat was released or absorbed in a reaction. They share their observations in class.
Curated OER
Kinetics Review Sheet
In this kinetics learning exercise, students define 7 terms related to the energy of reactions, they find the average reaction rate in a reaction, they sketch an energy diagram for an endothermic reaction and they compare exothermic and...
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 Chemical Society
Energy and Entropy of a Stretched Rubber Band
Stephen Perry invented and patented the modern rubber band in 1845. Young scientists put his discovery to work as they use rubber bands to observe entropy and enthalpy. They determine the change in free energy to figure out if it...
Chemistry Collective
Virtual Lab: Camping Problem I
Hiking chemists have an advantage! Young scholars use a virtual lab to conduct an experiment to create an exothermic reaction. The goal is to create enough heat to warm a meal during a hike in the rain.
Curated OER
Physical vs. Chemical
For this physical vs. chemical change worksheet, students answer 10 questions about identifying chemical and physical changes. They identify exothermic and endothermic reactions and the parts of a chemical equation. Students answer 1...