In this chemical and physical reactions worksheet, students read a 2 page science article, answer 10 statements as true or false, give 2 ways a chemical reaction is different from a physical reaction, answer 1 short answer question and...

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...

In this thermochemical equations worksheet, students read about and practice writing equations for thermochemical reactions. They also sketch enthalpy diagrams of the equations if applicable.

In this reactions worksheet, students are given nine chemical reactions to identify as single replacement, double replacement, synthesis or decomposition reactions.

In this physical and chemical change worksheet, students calculate the entropy change involved in different chemical changes. This worksheet has 4 problems to solve.

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...

In this chemical reactions worksheet, learners determine what is true about a system at equilibrium and give examples of macroscopic properties. Students determine minimum enthalpy and maximum entropy for reactions. This worksheet has 2...

For this chemical and physical change worksheet, students are given details about chemical and physical changes. They are given 2 examples using water and salt and they identify 15 statements as chemical or physical changes. Students...

Students apply the principles of chemistry to investigate the concept of how a hydrogen powered car works. They study the electrochemical reactions that provide the energy source. Students also record observations in the functioning of a...

Fifth graders investigate chemical reactions. In this physical science lesson plan, 5th graders make dry ice root beer and identify the type of change that occurs to the root beer mixture.

Irony, the discrepancy between what is expected and what occurs, is the focus of a reference sheet that provides young writers with models of this literary device.

In this chemical change learning exercise, students review enthalpy and use Hess's law to calculate enthalpy and the heat of reaction for given reactions. This learning exercise has 3 problems to solve.

Henri-Louis Le Chatelier wrote many papers throughout his 85-year life, but he is remembered for one of his earliest discoveries, now known as Le Chatelier's Principle. The final lesson in an 11-part series encourages young chemists to...

For this chemistry worksheet, students examine a concept in science and then use the knowledge in application by conducting an experiment.

In this chemical equilibrium worksheet, learners review hydration, dissociation, and colligative properties. Students also review Le Chatelier's principle. This worksheet has 15 short answer questions and 12 problems to solve.

In this equilibrium learning exercise, students read about phase equilibrium and dynamic equilibrium. They answer nine questions based on their reading and their background in chemistry.

Students explore how rechargeable batteries work by conducting a series of experiments. In this physics lesson, students discuss the benefits of using rechargeable batteries over disposable ones. They build their own battery charger...

In this kidneys worksheet, students review the function of the kidneys including what happens when the kidneys stop working. Students also compare kidney function in fish, frogs, and kangaroo rats. This worksheet has 86 fill in the blank...

[Free Registration/Login may be required to access all resource tools.] Definition of chemical change and examples, signs of chemical change and how it can be reversed.