For this chemistry overview worksheet, students review stoichiometry, states of matter, thermochemistry, gas laws, chemical bonding, molarity, chemical equilibria, and kinetics. This worksheet has 41 problems to solve.

Eleventh graders compare the amount of sugar sand present in tree sap. In this environmental science lesson, 11th graders measure different tree circumference. They prepare a report and share findings in class.

Eighth graders differentiate photosynthesis and respiration. In this biology lesson, 8th graders draw a diagram explaining these two processes. They answer a quiz after the lesson.

Students examine the differences between Boyle's Law and Charles' Law. They discuss the concept of thermal depolymerization. They answer discussion questions to end the lesson.

Students investigate the quality of water using a variety of methods. They use a pH probe to measure the pH and study the effect of dissolved CO2 in the water. Students also observe the effect of the pH upon the dissolving of H2SO4 in...

For this solutions worksheet, students review how molarity is calculated and how to prepare a dilute solution. This worksheet has 5 problems to solve.

In this calorimetry worksheet, students determine the specific heat and the heat of neutralization in the 2 problems they solve.

Eighth graders examine the relationship between speed, time and distance.  In this motion lesson students complete a lab activity that allows them to calculate average speed. 

Eighth graders identify the three main types of chemical bonds. In this chemistry lesson, 8th graders draw Lewis dot diagrams of elements and determine the bond formed. They create a model water molecule.

Eighth graders discuss the four major cycles of matter. In this general science lesson, 8th graders decide which of the four is the most important. They share their opinion in class.

This web-based activity gives students an opportunity to write chemical reactions, balance chemical equations, and explain what is happening during a given chemical reaction. Also addressed is the effects of concentration and temperature...

Given descriptions, diagrams, scenarios, or chemical symbols, students will calculate the energy changes and identify exothermic and endothermic reactions.

An introduction to chemical reactions and an explanation of balanced equations.

Learn how to balance equations in this tutorial. Tutorial includes videos, interactive activities, and practices.

A lab activity where students conduct and analyze assigned chemical reactions, then demonstrate and explain them to the class. Comprehensive lab handouts are included.

Students analyze the chemical equation for the reaction between vinegar and baking soda. They observe that the gas produced in the reaction is also part of the products of the written chemical equation.

[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will balance a redox equation using the oxidation-number-change method. They will break the equation down into oxidation...

[Free Registration/Login may be required to access all resource tools.] Students write net ionic equations for double-replacement reactions that produce precipitates, gases, or molecular compounds, write net ionic equations for...

Students discover the different types of reactions, and the driving forces behind those reactions. They learn how to write net ionic equations, and learn about specific types of reactions like acid-base neutralization and...

With this experiment, students will identify evidence of chemical reactions and demonstrate how chemical equations are used to describe them.

Read and learn how to balance redox equations using the oxidation number method and view several examples. Also view examples and learn the steps to balance redox equations using the half reaction technique.

In this interactive module, students are introduced to the most fundamental part of chemistry: chemical reactions and the formulas that accompany them.

An interactive tutorial on balancing equations.

This simulation helps students investigate the basics of chemical equations. Students will review stoichiometry and what effects their reaction rates.