In this volumetric analysis learning exercise, learners use a standard solution they made of sodium carbonate to find the concentration of a hydrochloric acid solution by titration. Kids calculate the number of moles of sodium carbonate...

In this chemistry worksheet students complete a series of multiple choice and short answer questions on elements, chemical reactions and balancing equations. 

In this chemical reactions worksheet, students determine the balanced formula equation, balanced complete ionic equation, and the balanced net ionic equation for given reactions. Students calculate final concentrations for ions in given...

How fun would it be to teach the concept of stoichiometry while allowing your chemistry class to assemble a classic campfire treat? This fun and engaging activity allows pupils to explore the principles of the chemical theory while...

In this chemical reactions worksheet, students are given the reactants of equations and must complete each equation by writing the products and balancing the equation. They must also identify the type of reaction.

Students are able to draw a diagram of the light reactions and briefly describe what is occurring throughout the process. They are able to explain where each reactant/product in the photosynthesis equation comes from/goes during the...

This review sheet will be very useful to test your pupils' understanding of battery structure and redox reactions.  The questions ask for equations to be balanced and for the traditional equipment setups to be drawn and labeled....

Twelve questions about the various calculations of mass and yield are given here.  There is significant practice of molarity calculations and consideration of the reactant and product balance.

Each of the slides here gives a definition, equation, or calculation example for a component of force and motion. This large collection covers topics from momentum and Newton's laws to centripetal forces and simple machines. Animations...

In this density activity, high schoolers are given 11 problems and they determine the density of the substance, the mass of the substance or the volume. They write the equation they use to solve the problem, they show their work and they...

All sodium carbonate may not have the same amount of carbonate, but it should have the same percent. Learners write and balance an equation to predict the chemical reaction between sodium carbonate and zinc acetate. Through the lab...

After reading "Aquatic Alchemy," an article about recapturing water for reuse when in space, your class will use calcium hydroxide or hydrated lime to purify cloudy water. Geared toward high school chemistry or environmental science...

A great way to learn about molecular structures is to make a model. Gumdrops and toothpicks are used to construct crystal models. The models are based on theories of crystal shapes that occur because of positive and or negatively charged...

Somehow 55 chemistry problems have been squished onto a single page! Don't assume that it is a mess, however. High school chemists write the products for different types of reactions. Then they identify the type of reaction in addition...

Here is a laboratory exercise in which chemistry masters conduct an oxidation reaction to change ethanol into ethanal. They compare the original alcohol to the resulting aldehyde by forming a precipitate. This activity is aimed at...

Turn aluminum cans into pickles! An engaging experiment has learners chemically change aluminum into a substance with many purposes including the manufacture of pickles. After performing the chemical conversion, the experimenters verify...

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...

How well do your young chemists know their acid-base reactions? Reinforce neutralization reaction and problem-solving skills with a challenging interactive. Learners examine the reactants, then predict the outcome in a series of...

Colorful lead compounds never fail to impress! Solubility scholars examine a series of double replacement reactions involving lead nitrate and record their observations. The second part of the experiment illustrates the differences...

Ninth graders explain how atoms and molecules form different substances during chemical reactions and how these processes require losing, gaining or sharing electrons. They correctly write chemical formulas and show how a balanced...

In this mass worksheet, students calculate how much of any product will form from a given amount of reactant. This worksheet has 7 problems to solve.

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 balancing chemical reactions worksheet, learners answer 12 questions about balancing reactions. They find the coefficients to balance atoms in equations, they balance reactions, they find the molecular mass of molecules and they...

Students explore the concepts of rotational equilibrium. They examine the history Alexander Calder and his mobiles. Students solve simple algebraic equations. They predict, draw conclusions, graph equations and examine the rotational...