Explanations of shell structure in an atom and the decisions that affect periodic table organization are discussed here. Students view well organized charts to list and compare elements that are placed in different sections of the...

Radiation has numerous real-world applications, some of which are relatively safe while others can be extremely hazardous. In this nuclear chemistry project, young scientists choose a practical use of nuclear reactions to...

Finally, an electronegativity resource your class will be strangely drawn to! Skilled scientists manipulate interactive puzzles to gain an understanding of common electronegativity values. The great thing? You can conduct the lesson...

In this atoms worksheet, learners review protons, neutrons, electrons, molecules, compounds, and ions. This worksheet has 10 fill in the blank and 3 problems to solve.

In this oxidation numbers worksheet, students determine the oxidation number for given elements and draw Lewis Dot Diagrams. This worksheet has 6 fill in the blank and 11 short answer questions.

First graders gain knowledge about solids, liquids and gases by taking a look at the things around them. They have to classify certain picture cards based on which category they feel the picture falls under. As a whole, the class...

Sixth graders complete several experiments about chemical and physical changes. In this physical and chemical science activity, 6th graders complete 6 experiments about chemical and physical changes. Students examine the processes of...

In this chemistry worksheet, students identify the three main phases of matter. Then they search for information about each element on a Chem Time Clock. Students use the chemical symbol to identify each element.

Students study the particles of which atoms are made. They define the electron, proton, and neutron and their attributes.

In this chemistry worksheet, students learn about matter, including atoms, electrons, protons, neutrons, compounds and chemical properties. They use this information to answer the 10 questions on the worksheet. The answers are on the...

In this chemical equations instructional activity, students review the rules in balancing equations and then balance 11 chemical reactions.

In this chemistry activity, students fill in the blanks with the correct word from the word list. They examine the arrangement of elements in the periodic table.

Students observe a demonstration on how we see space between water molecules.  In this experimental lesson students discover what elements make up the things around them and discuss what they learned. 

Students explore radioactive decay.  In this radioactive atoms lesson students complete a lab to help them understand the relationship between radioactive atoms vs stable atoms. 

Students observe the periodic table and draw the Lewis Dot Diagram.  In this investigative lesson students construct information on several elements including the Lewis Dot Formation and take a quiz on the information they...

Fourth graders study the charges on ions and familiarize themselves with a quick way to remember charges based on location of elements on the periodic table. They complete a worksheet and share their answers with the class.

In this moles worksheet, students determine the mole ratio in given compounds and calculate the number of moles of specific elements in chemical compounds. This worksheet has 19 problems to solve.

In this chemical equations worksheet, students review the steps to balancing equations and then complete a graphic organizer by balancing 10 chemical reactions.

In this elements learning exercise, students complete a graphic organizer by filling in the element symbol, atomic number, atomic mass, and the number of protons, electrons, and neutrons. Then students complete 2 short answer questions.

In this compounds worksheet, students read how to name binary covalent compounds and then practice by naming 10 binary covalent compounds.

Fifth graders investigate the nature of matter and of the scientific processes associated with them in this series of lessons.

In this Lewis structures worksheet, students identify and describe what Lewis structures or dot diagrams are and how they illustrate the valence electrons in an outer shell. Then they use a periodic table to determine the numbers of...

In this understanding radon detection worksheet, 6th graders read 8 facts about radon, make observations about and draw pictures of hidden objects, use a chart of elements to answer questions about radon.

In this chemical compounds learning exercise, students learn the steps for determining the empirical formula of a compound and then complete 3 problems.