Elements, to the rescue! Scholars first review the periodic table, and then learn about the first 20 elements and their properties and uses in the fourth of six lessons in the Mixtures and Solutions unit. Applying their newfound...

In this countdown challenge worksheet, students find the 10 common elements from the human body, earth's crust, and ancient times and color code them. Students fill the atomic number of the elements in a given periodic table.

Binary compounds are explained with the periodic table, atomic charges, and examples. Viewers are taught to name binary compounds and then are presented with a chart of cations and ions. Finally, they see a few photos of forms of silicon...

In this informational text comprehension activity, student read the passage about Chemical Elements and complete 11 multiple choice questions about the passage.

In this compounds worksheet, students practice writing ion notation and making ionic compounds. Students make covalent bonds. This worksheet has 10 fill in the blank and 18 problems to solve.

In this naming and covalent compounds learning exercise, students answer 6 questions about ion notation, they make 6 ionic compounds, they make 6 covalent compounds and they name 10 compounds which are ionic, covalent or polyatomic.

In this elements instructional activity, students compare and contrast the characteristics of metals and non-metals. Students practice drawing Lewis dot diagrams and writing ion notation. This instructional activity has 9 word problems,...

In this chemistry worksheet, learners can use the table to observe and name the common types of ions and determine the charges to explain the gain or loss of electrons.

In this oxidation state learning exercise, high schoolers are given rules for assigning oxidation numbers and a chart showing the oxidation states of the elements of a given compound. Students use the rules and the example to find the...

In this chemical reaction worksheet, students experiment with soda and Mentos candy to observe a chemical reaction. Students describe the reaction, identify the investigation as descriptive or qualitative and make a prediction if the...

Students explore the different phases of a crystal.  In this mineral lesson students grow their own sugar crystals using a sugar recipe. 

Pupils explain the mole concept and use this concept to prepare chemical solutions of particular molarities.

Students use M&Ms to simulate radioactive decay of elements.

Students examine the concept of radioactive dating. In this radioactive dating lesson, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.

Students perform flame tests on salts and record the electron configurations for various cations. They analyze and record the results using spectroscopes.

In this periodic table I quiz, students select the best answer to the given questions. Students apply their knowledge of the periodic table and the arrangement to correctly answer the questions presented.

In this electron arrangement activity, students complete two graphic organizers by determining the proton number of given elements from their first ionization energy. Then, they plot graphs of the first ionization energy against the...

For this chemistry worksheet, students complete a six question multiple choice quiz about chemistry. This is an on-line interactive worksheet.

Students investigate how long dinosaurs lived on Earth and how that compare to how long man has been on Earth. They discover how scientists excavate fossils.

Study the properties and characteristics of potassium on this site. Learn about the element potassium and its chemistry including atomic weight, atom, uses, sources, name, and discovery.