How well can your class concentrate on solutions? Scholars use colorimeter absorption to explore a starch concentration calibration curve. They add iodine to different starch solutions to see how the concentration of the solution changes.

In this chemical reaction worksheet, students write a balanced equation for each of the word equations given. This worksheet has 12 problems to solve.

Give this summary of 16 pages of a text to your class to deepen understanding of cell permeability, diffusion, ions, and more. The handout portion includes vocabulary clarifications, detailed color diagrams, and important information;...

In this countdown challenge worksheet, students find the 10 common elements from the human body, earth's crust, and ancient times and color code them. Students fill the atomic number of the elements in a given periodic table.

In this compounds worksheet, students write the name or the chemical formula for the given single-charge cations. This worksheet has 20 problems to solve.

In this chemistry worksheet, students complete the reactions by drawing structures of major products, indicating important minor products. They also write the structure of the product and describe the stereo chemistry of the product.

In this neutralization worksheet, students determine the concentration of solution if neutralized by a certain amount of another solution. This worksheet has 7 problems to solve.

In this molarity worksheet, students determine the mass needed to make the given solutions and calculate molarity and volume of solutions. This worksheet has 14 problems to solve.

In this compounds worksheet, students write the oxidation numbers for the given elements and then write the formulas for the given binary compounds. This worksheet has 3 problems to solve.

In this compounds worksheet, students write the chemical formula for the chemical ionic formulas given. This worksheet has 25 problems to solve.

Fifth graders perform experiments to determine the identity of an unknown gas sample. In this chemistry lesson, 5th graders fill balloons with air, oxygen, hydrogen, and carbon dioxide. They use mass and reactivity to identify the gases.

Visit the Explorit Science Center for a quick, interactive quiz. There are five questions on this online quiz, and while they're all related to science, none of them are related to each other. For example, one question asks how many...

There are two sheets here, with 100 problems total. The first half is a list of compounds, and your young chemists should write the chemical formula for each.  The next fifty give the formula and the name is required.  You...

This is an apt assignment for chemistry takers that are studying ionic solutions. Eight questions require problem solving and critical thinking to answer. The first question instructs learners to use a table in the textbook, but you can...

Properties and uses of the halogen elements are illuminated by this compact collection of slides. Examples of halogen reactions with alkali metals, hydrogen, and water are also explained. This is a nifty resource to support an...

A color-coded periodic table identifies organic elements, major minerals, and trace elements. Oxidation states are highlighted and types of chemical bonding are annotated. The electron energy level chart is explained. Though not all of...

Binary compounds are explained with the periodic table, atomic charges, and examples. Viewers are taught to name binary compounds and then are presented with a chart of cations and ions. Finally, they see a few photos of forms of silicon...

Explore the nutrients a body needs using this resource. Learners discuss the importance of the relationships between proteins, fats, carbohydrates, vitamins, minerals, and water. It's a great way to have your class talk about the healthy...

The majority of this presentation is a collection of diagrams and graphs that back your lecture on biogeochemical cycles. The last few slides define ecosystems and the Gaia hypothesis. You may find these slides valuable, but will...

An anticipatory slide suggests personal benefits from gardening. Then the presentation goes into choosing a location, considering soil type, the use of fertilizers, and the variety of crops available to choose from. If you are...

Like good scientists, kids often want to see first-hand why things are as they are; they can do just that in the starch-testing photosynthesis activity found here. Depending on the age of your pupils, you may wish to do the investigation...

Assess whether your class members can comprehend complex informational text with a series of drills based on selections from Emerson, Thoreau, and G.K. Chesterton. The exercises could also be used for group work or a full-class discussion.

This basic, black-and-white printable is a copy of the periodic table of elements. It includes the standard element name, symbol, atomic number, and atomic weight. Across the bottom is an explanation that says for elements without stable...

In this solutions worksheet, students calculate the molarity and solubility for given reactions. Students work on dilution, precipitation, and titration reactions. This worksheet has 15 problems to solve.