What does size have to do with it? Learners analyze different mixtures, both homogeneous and heterogeneous, to discover the properties related to the size of their particles. The activity connects these properties to those of...

Students find the percent of oxygen in potassium chlorate. In this percent composition lesson plan, students heat a solution of potassium chlorate using a catalyst, manganese dioxide, to decompose the potassium chlorate and release...

For this compounds worksheet, students practice naming ionic compounds and determining the formulas for the given compounds. This worksheet has 20 fill in the blank questions.

Radioactive decay, pH, properties of elements, organic compounds, and stoichiometry are all touched upon through this practice chemistry exam. It always helps learners to take a practice test in preparation for the actual exam. This...

In this science worksheet, students look for the chemistry elements and how they are combined to create molecular compounds with the help of atomic models.

In this naming binary compounds activity, students are given 8 pairs of ions and they identify their oxidation numbers, their formula when the combine and the name of the compound. They are given 8 formulas and they identify the...

Give your class a colorful and tasty representation of the components of the mixture that we call air. Pop a few batches of popcorn in four different colors, one to represent each gas: nitrogen, oxygen, argon, and carbon dioxide. The...

How are chemical bonds similar and how are they different? Provide your young chemists with the resources to more thoroughly understand the concepts of ionic and covalent bonds. Pupils research these topics, diagram examples of each...

This is a great worksheet with an infographic to assist your learners in categorizing matter into mixtures and non-mixtures. Information is given about the metric system of measurement. Your young students match 13 terms with their...

Sometimes modeling is the best approach to working with microscopic particles. A lab investigation models a fictional element using pasta. The setup uses three different pasta types to represent three different isotopes. Learners...

Steel is a man-made alloy or a mixture of metals. Lesson 18 in this series of 36 focuses on metals and their extraction from Earth. Individuals read about, discuss, and answer questions after learning how people find most metals, the...

High schoolers investigate the characteristics of alkaline earth metals. In this alkaline earth metals lesson plan, students experiment with a variety of alkaline earth metal compounds and perform tests to observe their properties. High...

Here is a copy of a past national challenge exam that you can use in your general chemistry course as a unit or semester review. Sixty multiple-choice questions query learners on properties of matter, stoichiometry, reactions, and...

Density comes to life as investigators place soda cans into containers of various liquids to find if they sink or float. They layer different density liquids, compare densities of different gases, and more. A total of six different...

Eighth graders investigate chemical reactions to produce polymers. In this polymers lesson plan, 8th graders experiment with sodium silicate and ethyl alcohol to make a polymer. They also experiment with borax and glue to make a polymer....

As the title implies, this PowerPoint defines and illustrates the basic terms involved with describing matter. Phases of matter, atomic structure, and the different categories of compounds are included. Slides are simple and uncluttered....

A color-coded periodic table identifies organic elements, major minerals, and trace elements. Oxidation states are highlighted and types of chemical bonding are annotated. The electron energy level chart is explained. Though not all of...

After reading a series of definitions and studying examples, partners craft five of their own compound-complex sentences.

In this elements, compounds, and mixtures worksheet, students answer questions about the properties of elements, mixtures, and compounds. Students identify the physical changes that is made to a substance to determine if it is an element.

Bone-crusher. Troll-wife. Battle-sweat. Blood-worm. What study of Beowulf would be complete without offering readers of this Old English epic poem an opportunity to craft their own kennings and epithets? Provide individuals with a copy...

What are alloys, and why do we use them? Through a series of interactive puzzles, scholars examine the components and uses of several common alloys. The accompanying teacher's resources provide support in using the lesson, printable...

Ready to introduce the realities of molecular geometry to chemistry pupils? Use a logic-based interactive! Perfect as individual practice, the puzzles explore the bond angles and repulsions present in three common molecular shapes.

Teach young engineers that all machines, no matter how complicated or complex, are made up of just six simple devices with this hands-on physical science lesson. Using the included templates, students first create paper models of...

In this chemistry instructional activity, students complete a chart about common compounds. Examples include baking soda, sugar, and wood alcohol.