General Chemistry Online: Physical and Chemical Changes

In this physical and chemical change activity, students solve 13 clues in a crossword puzzle focusing on rates of chemical reactions and changes in the state of matter.

How can you effectively provide detailed concepts of water properties to your high school class in a way they find exciting and challenging at the same time? By letting them play, of course! Through a variety of...

In this physical and chemical change worksheet, students watch a movie called the "Brain POP" about property changes and fill in the blanks to complete 8 sentences which are examples of chemical and physical changes.

These slides summarize the properties that define materials. The categories of physical and chemical changes that are used to describe substances are listed and students will find the examples of those changes useful. You could set the...

What is more important, style or substance? This video explains the difference between physical (style) changes and chemical (substance) changes. It uses many examples and various ways of determining which type of change has occurred. 

Check out answers to many common questions about energy and its relationship to chemical change. Understand details in topics such as enthalpy and thermochemistry with these FAQ.

The teacher will conduct the whoosh bottle demonstration to engage students. The class will then begin discussion of endothermic and exothermic physical and chemical changes. The students will then conduct the Science in Motion lab...

Students investigate chemical and physical changes. In this physical and chemical change lesson plan, students perform 3 experiments in the lab to observe changes in matter. They determine that no new substances are formed in physical...

Want to add a wow factor to your current chemical changes lesson plan? Try a microscale experiment with colorful precipitates! Partnered learners conduct 10 single displacement reactions and record their observations.

Scientists can't observe bonds breaking or forming, so how do they distinguish between exothermic and endothermic reactions? Young scholars complete two experiments to do just that. They monitor temperature change and calculate the...