Students experiment, observe, measure, and analyze what occurs during an exothermic reaction. They safely design an experiment, control variables, and properly dispose of materials.

This two-page assignment covers basic thermochemistry concepts. Chemistry learners identify exothermic and endothermic processes, explain a phase change graph, and draw an energy level diagram. There are no problems to solve, just...

A total of five experiments lead chemistry pros to understand the difference between physical and chemical change. They also experiment with exothermic reaction factors that affect rate of reaction. The procedures are not written in the...

A 30-question multiple choice chemistry test challenges takers. Topics touched upon include thermochemistry, equilibrium, behavior of gases, and pH. Problem solving is required in order to answer most of the questions. Other questions...

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...

Scientists have been studying exothermic reactions before they were cool. The lesson begins with a discussion and a demonstration of heat curves. Scholars then determine the heat of fusion of ice and the heat needed to...

In this energy from hydrocarbons activity, students read about endothermic and exothermic reactions and how hydrocarbons release heat as fuels. Students read how to measure heat changes in reactions and practice finding the specific heat...

In this thermochemistry worksheet, students answer twenty multiple choice questions about heat, enthalpy changes, thermal, mechanical and electrical energy and the laws of thermodynamics.

In this chemistry of ice cream activity, students investigate colligative properties and how they affect freezing points while making ice cream. Students answer short answer questions to determine if freezing is an endothermic or...

In this organic chemistry practice activity, students solve twelve problems regarding organic molecules. They draw mechanisms for reactions, they predict products for reactions, they label stereocenters and they identify functional...

Melting and burning might seem like opposites, but both exist as common examples of exothermic reactions. Scholars work with three different exothermic chemical reactions to determine the enthalpy changes. They measure and mix chemicals,...

All chemical reactions require energy. To explore thermodynamics, classes read and discuss its laws, exothermic and endothermic reactions, enthalpy in many forms, calculate enthalpy problems, and use Hess' Law to calculate enthalpy of a...

Students investigate various chemical reactions when creating mixtures in ziplock baggies. In this chemistry lesson, students will recognize various chemical reactions and cite evidence. Safety and assessment strategies are included in...

For this equilibrium and water chemistry worksheet, students solve twenty problems related to acids and bases, equilibrium and water.

This worksheet focuses on writing equilibrium constants. Students work to determine the direction of reactions, concentrations of different substances, and equilibrium constants.

For advanced chemists, this worksheet examines heat change during chemcial reactions. Alkanes are examined first. Learners calculate the energy released or needed during a reaction.

Is it possible to create an environmentally friendly shampoo? Learners accept this challenge in the fifth lesson in a green chemistry series of 24. The analysis of their shampoo ingredients must address pH, exothermic reactions, and...

In 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.

Once I told a chemistry joke, but there was no reaction. Get young chemists involved in changes and reactions with a presentation that begins with physical and chemical changes and chemical reactions. It moves on to chemical...

From molecules to nanotubes, an engaging unit explores the world of tiny science. Fifteen hands-on experiments and lessons engage young scientists as they learn chemistry. Discussions, worksheets, and data analysis reinforce the concepts...

In this chemistry practice worksheet, students select the correct response to the given questions. Students apply knowledge about the states of matter, finding vapor pressure and atmospheric pressure.

In this chemical reaction worksheet, students determine if given reactions are endothermic or exothermic reactions. Students determine the energy released or consumed when chemical reactions occur. This worksheet has 5 problems to solve.

In this reactions worksheet, students use graphs showing reaction progress to determine if the reaction is exothermic or endothermic, the activation energy, and the enthalpy of change. This worksheet has 1 graph, 7 short answer, and 16...

In this chemical reaction worksheet, students determine if reactions are exothermic or endothermic. Students define enthalpy and calculate how much heat is released or absorbed during reactions. This worksheet has 1 matching, 1 fill in...