Pupils identify and describe the building blocks that make up an atom. They also compare the ages of atoms to the ages of the materials they compose,as well as, give examples that illustrate the small size of atoms.

In this creating bonds learning exercise, students create 2-D and 3-D models of the molecular formula provided. Students complete a chart of information about the molecular formula given.

In this dimensional analysis worksheet, students solve six word problems using dimensional analysis to solve for an unknown. These include finding density, and converting from one unit to another. They also categorize samples as...

In this chemistry practice instructional activity, students select the correct response to the given questions. Students apply knowledge about the states of matter, finding vapor pressure and atmospheric pressure.

Young scholars engage in a lesson plan that is concerned with the concepts related to solution chemistry. They calculate the molar mass of various chemical compounds. Then students predict the anion ratio for ionic compounds. Young...

In this chemical compounds worksheet, students review the different types of bonding, define the octet rule, and draw Lewis structures (electron-dot diagrams) for given compounds. This worksheet has 7 fill in the blank, 5 short answer...

Young scholars practice naming and writing formulas for simple chemicals. After a review of vocabulary, they create ion flash cards and discuss the rules for writing chemical compounds. They practice naming and writing the formulas...

Students discuss the difference between atoms and elements. They analyze how compounds are formed. Students discuss the difference between covalent bonds, hydrogen bonds, and ionic bonds. They review bonding with diagrams, "Atoms or...

Ionic and covalent bonds are the focus of this chemistry activity, which provides students with eighteen key terms to use in a fill-in-the-blank activity. Additionally, students are prompted to write the number of atoms in four given...

In this chemistry worksheet, students identify and write how many significant figures they would use for each problem. Then they round the answers to the appropriate number of significant figures. Finally, students calculate the mass of...

In this ionic bonding worksheet, students review the characteristics of ionic bonding, draw Lewis dot diagrams for elements, and write the chemical formula for ionic compounds. This worksheet has 8 drawings, 14 fill in the blank, and 6...

In this metal ion worksheet, students follow the steps to determine the oxidation states of the metals in each of the given compounds. Students complete 10 problems.

Students write the electron configuration of elements in the ground state. In this chemistry lesson, students draw how subatomic particles are arranged in the atom. They construct Lewis dot diagrams of valence electrons.

In this atoms learning exercise, students explore the different types of bonds, name compounds, and determine charges of molecules. This learning exercise has 8 true or false, 9 fill in the blank, and 5 short answer questions.

In this probability and statistics worksheet, students find compound dependent and independent probability of given situations. They identify the mean, mode, range and median of sets. This two-page worksheet contains explanations,...

In this reaction worksheet, students assign the oxidation numbers to all the atoms in the given compounds and ions. Students determine whether an element is oxidized or reduced in the given reactions. This worksheet has 4 problems to solve.

In this chemistry, students draw the Lewis structures of 20 covalent compounds. They demonstrate how the lone pairs are distributed in the molecule.

Students investigate how information about the atom has been determined. In this atomic structure lesson, students draw what they think an atom looks like. They conduct Internet research about the types of atomic models and how...

In this chemistry worksheet, students locate and identify various vocabulary terms related to chemistry. There are nine words/phrases located in the puzzle to find.

Learners design and create a compost pile in order to study the Nitrogen Cycle. They then use the scientific method to determine if plants grow better when they add organic matter from their compost pile to the plant's soil.

In this ionic bonding activity, students observe diagrams about ionic bonds and crystal formation. They answer 37 short answer questions about the properties of monatomic ions, polytomic ions and write correct formulas.

Ninth graders are shown a constructed machine and they asked what it is and what it does? They are questioned on type of simple machine constructed. Students are questioned on various parts of machine. They work in groups to design...

Students describe the properties of solids and liquids, and explain how a semiconductor works.  In this atom lesson students demonstrate the bonding properties of carbon and silicon.

In this oxyanions worksheet, students identify the common polyatomic ions. They write formulas and name polyatomic ions based on IUPAC rules.