Students determine crude oil can be separated into useful fractions by a process of fractional distillation. They write a balanced equation for the reaction between a hydrocarbon and oxygen.

In this energy worksheet, high schoolers use the kinetic energy equation to solve for speed or mass. This worksheet has 11 problems to solve.

Seventh graders investigate the relationship between energy and matter, and measure the mass of various objects. They listen to a teacher-led lecture about potential energy, and in small groups measure the mass of various objects such...

In this kinetics worksheet, pupils review activation energy, rate of reaction, and reaction mechanisms. This worksheet has 13 multiple choice questions.

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. 

Chemistry and earth science meet in a lesson on carbon dioxide emissions. After reading about atmospheric problems caused by using fossil fuels, science stars balance equations for the burning of different alkanes. They compute the...

Is your class in the dark about photosynthesis? Shed some sunlight on an important biological process with a thoughtful activity. After answering questions to help determine their level of knowledge, learners work with chemical equations...

In this chemical reactions worksheet, students determine the reaction rate for various reactions, write balanced equations, create graphs showing the reaction over time, and calculate the activation energy and potential energy. This...

In this reactions worksheet, students define enthalpy, heat of formation, and Hess's Law. Students determine how many kilojoules are released during specific reactions. This worksheet has 6 short answer questions and 11 problems to solve.

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...

Students explore the various aspects of Einstein's energy equation and discover how energy is transferred from one form to another. In teams, they rotate through seven stations to experience such aspects of energy change through...

Tenth graders write and balance chemical equations and make a PowerPoint presentation on synthesis reactions.

In an electrolytic cell, electrical energy is converted into chemical energy, the exact opposite of a battery! Lesson 15 in a series of 36 explores electrochemistry. Participants begin by reading and discussing oxidation/reduction...

In this food energy activity, students review calories and how calories are determined. Students calculate how much thermal energy it would take to raise certain volumes of water a certain number of degrees. This activity has 3 word...

Chemistry can help athletes and others protect and treat injuries. Use the interactive activity to explore the chemical reactions in instant hot and coldpacks. Learners manipulate the type of salt in the pack and watch the reaction take...

In this electrochemistry worksheet, students solve a variety of problems including identifying parts of oxidation and reduction reactions, writing balanced equations for galvanic cells, determining free energy and equilibrium constants...

Learners study hydrocarbon gases and chemical equations. In this hydrocarbon gases lesson, students work in groups complete a molecular formula worksheet and review alkane prefixes. Learners complete molecular models, balance chemical...

In this nuclear chemistry worksheet, students answer 9 questions. They balance nuclear equations, they write balanced equations, they calculate decay and they find binding energy of atoms.

In this chemical reactions worksheet, learners compare endothermic and exothermic reactions, closed and open systems, and reactants and products. Students review physical and chemical changes and how to balance equations. This worksheet...

Technology can help save money and add convenience. The resource offers a free textbook for a complete Chemistry course. The text begins with a review of the scientific method and continues to explain topics such as chemical bonding,...

Challenge young scholars' understanding of thermochemistry with this skills-practice worksheet on Hess's Law. Given a series of five multi-step chemical reactions, students must determine the overall change in entropy...

On Earth, a candle flame points up, but on the International Space Station, it forms a sphere. Young scientists practice their skills by recording observations before, during, and after a candle burns. Chemical and physical...

Students investigate the chemical composition of pennies dated 1983 or later. In this chemical composition of American coins lesson plan, students scratch the surface of the penny to expose the zinc core. They put the penny in...

In this stoichiometry worksheet, students solve thirty problems using the process of stoichiometry to find moles, molecules, and masses of substances in chemical reactions. Students balance chemical equations, find limiting reagents and...