Eighth graders explore the chemical and physical properties of a variety of elements in a lab setting. They organize the data they collect onto a spreadsheet and then choose one element from the periodic table to research. They...

In this compounds activity, learners compare ionic, covalent, and polyatomic compounds and give examples of each type. This activity has 1 matching, 3 problem solving, and 4 short answer questions.

In this matter worksheet, students review the three forms of matter by reading a poem and completing 1 matching and 5 short answer questions.

Students examine the structure of molecules, their formula, and percentage composition of each element in the compound. They construct an organic compound with different functional groups using a modeling kit, and draw a 3-D structure...

In this chemicals activity, students review how to read chemical labels, define an acid-base indicator, and decide which way strong acids can be dangerous. This activity has 15 short answer and 20 fill in the blank questions.

"Up and Atom" is a mini-unit introducing middle-schoolers to the wonders of elements. Participants draw atom models, examine the periodic table, compare samples of metals to nonmetals, identify unknown elements, and more! The beginning...

An informative lesson has learners read about, discuss, and study the classification, structure and importance of the following biomolecules: carbohydrates, proteins, lipids, nucleic acids, and enzymes. 

Should you trust the water you drink every day? The hands-on activity has scholars test water from different sources for contaminants. Pupils perform chemical testing and make conclusions about pH, hardness, iron, chlorine, lead,...

This instructional activity would provide a great assessment for teachers to test student knowledge. Learners are asked to complete 3 charts which characterize types of chemical bonds such as alkanes, alkenes, or alkynes. They must also...

Prepare your chemistry charges for stoichiometry with this PowerPoint. The objective is to be able to calculate molar mass for different compounds. Beginning with the foundational definition of moles and moving through atomic and...

Young chemists perform an experiment to determine if a compound is iron (II) chloride or iron (III) chloride. Then they determine the formula, balance the equation, and answer analysis questions. 

Learners differentiate between point and non-point pollution and determine how the different types of pollution are harmful to aquatic ecosystems. They complete a series of tests on a sample of "polluted" water and a sample of "pure" water.

Flame tests determine if there is a specific metal in a chemical compound. Young forensic scientists review their understanding of flame tests and hydroxide precipitates by solving puzzles. The timed review encourages mastery.

Students investigate various substances to determine the perpetrator of a crime. In this biology lesson, students test for the presence of organic compounds in various samples. They identify an unknown substance based on its physical and...

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 bonding worksheet, students read about the two different types of chemical bonding: ionic and covalent bonds. Students review ion notation and oxidation numbers. This worksheet has 24 fill in the blank, 2 drawings, and 4 short...

In this chemical bonding worksheet, students review the different types of bonds and calculate the number of valence electrons in molecules. This worksheet has 11 matching and 15 multiple choice questions.

In this atoms and sugar molecules worksheet, students are given the structural composition of the sugar molecule maltose. They determine the number of each type of atom in the molecule, they find the ratio of hydrogen to oxygen atoms and...

In this stoichiometry worksheet, students identify types of reactions, show the products, and balance the equations. Students determine the limiting reagent, theoretical yield, and percent yield for given reactions. This worksheet has 5...

For this reactions worksheet, students read about two types of reactions that take place between metals: displacement and competition. Then, they answer two problems.

Carbon as a building block for organic compounds is demonstrated by diagrams and facts for its bonding style.  Saturated and unstaturated hydrocarbons are detailed and facts about biological compounds such as proteins, nucleic...

This five-page exam was designed for a biochemistry and organic chemistry course. It covers the molecular geometry and properties of organic comounds. Test takers identify compounds, functional groups, and isomers. They draw Lewis...

In this naming compounds worksheet, high schoolers are given a flow chart guiding them to name chemical compounds. They are given several different compounds to name including binary covalent and binary ionic compounds.

In this photosynthesis, disease and Immune System worksheet, students fill in the blanks with key terms to complete sentences about the transfer of energy from the sun to plants, enzymes as catalysts in reactions, homeostasis, the immune...