If you have taught the first lesson in this mini unit, learners already know that cabbage juice and vinegar cause chemical changes in some materials. Now, they get a chance to use them to compare the liquids' reactions to five known and...

Give your charges a charge with this clip on chemical reactions! Bill initiates some pretty flashy chemical reactions that you most likely won't be doing in your classroom. When you are teaching the difference between physical and...

A combination of lab activities, class discussion, and teacher demonstration shows chemistry aces the difference between physical and chemical changes. Participants track the mass of a candle as it burns, rotate through a series of...

Does the change in energy of matter lead to a change in mass? Upcoming chemists compare the mass of equal-volume, but different-temperature liquids and materials both before and after a chemical reaction has occurred. In another...

This PowerPoint is a gem! Seventy-eight slides present an entire introduction to matter in bullet-point fashion. Viewers learn about everything from mass and inertia to phase changes and gas laws! The only glitch is that the links to...

Sugar crystal growth is observed as an example of physical change and cabbage juice pH indicator is used to demonstrate chemical change. The crystal growth is tracked over five days. The cabbage juice experiment is involved and can also...

After viewing a short video about property changes, preteen scientists watch you combine different materials, and then perform two of their own experiments. For each demonstration or activity, they are to determine whether a physical or...

Here is a 25-question Jeopardy-style game to use as a review with physical science classes on elements, the periodic table, atomic structure, and basic chemical reactions. If there are any questions that you did not cover with your...

Twenty changes have occurred today, and Dr. Sparks needs help sorting them out! First-time physical science fans simply decide whether each represents a physical or a chemical change. The handout would make a useful quiz or review...

First-time physical scientists explore chemical change with three activities. They combine calcium chloride with water, fertilizer with water, and baking soda with copper sulfate. For each, they describe what happens and write down the...

Budding chemists achieve a basic understanding of the role of heat in chemical reactions. An online worksheet gives learners instructions and questions to answer as they investigate the Chem4Kids website and perform a hands-on lab...

When your upper elementary or middle school class is learning about chemical changes, these activities help demonstrate the concepts. In Part A, they submerge and place a nail partially underwater, then after a week they make...

Little chemists observe the effects of acid on calcium carbonate as an example of chemical change. As a demonstration you will place a raw egg in vinegar overnight, and as a lab activity, learners drip vinegar onto a piece of chalk....

Third graders investigate how temperature and motion (energy) create a chemical change that turns cream ( a liquid) into butter (a solid). They create a class pictograph of their favorite mils choices (white, chocolate, or strawberry)...

Consider our energy sources: wood, coal, oil, uranium. Learners compare the pollution to energy produced for each. They practice fractional distillation of an alcohol/water mixture to simulate the process of refining crude oil....

In a neat and straightforward manner, this PowerPoint delivers basic introductory information on the properties of matter, physical and chemical changes, and pure substances vs. mixtures. It also defines the states of matter. For some...

A full-fledged practice final prepares pupils for their general chemistry final exam. If they complete these 57 multiple-choice questions correctly, they will be well-prepared. Note: even though the questions are multiple-choice, there...

Written as a textbook reading guide, this learning exercise covers foundational concepts for any general chemistry class. From scientific method, measurement, and temperature, to more chemistry-specific topics like chemical and physical...

A comprehensive practice exam, this resource covers many areas of chemistry. The test includes 71 multiple choice questions on topics such as problem solving, chemical equations, chemical formulas, thermodynamics, acids and bases, and...

In this chemistry review worksheet, students identify chemical changes, isotopes, ions, and chemical bonds. This worksheet has 32 multiple choice questions.

Provide practice calculating the amounts of heat required or released in reactions and converting between joules and calories with this worksheet. It is useful as an assessment or as a homework assignment.

A list of questions that will test the understanding of nuclear chemistry. There are some definitions of terminology required and then generic equations that clarify nuclear transmutation. Pupils should also be able to describe the...

Sixth graders explore physical and chemical changes. In this physical science lesson plan, 6th graders study vocabulary, discuss the changes they see in the world and look up information on chemical and physical changes. Students create...

These fourteen questions require learners to calculate energy change in joules in certain circumstances and after specific reactions. A nice sheet to review math calculations and chemical enthalpy.