In this chemistry worksheet, students complete a crossword puzzle with 15 clues about both physical and chemical changes. Each clue lists number of letters for correct word.

In this chemistry instructional activity, students are provided with the answers for a crossword puzzle containing 15 clues about physical and chemical changes.

In this chemistry of life worksheet, students will review key terms of plant cell structure and chemistry by reading 13 clues to complete the puzzle. Word bank is included.

For this plant worksheet, students study a diagram of a magnified root cross-section. Students use this diagram to complete 2 true or false questions.

In this chemical reactions worksheet, students calculate the molar mass and the rate of reaction for the given chemical reactions. This worksheet has 3 problems to solve.

Learners use laptops and sensors to measure water quality and graph their results.  In this aquatics lesson students post their results to a website or email. 

In this chemical equations worksheet, students are given the trends for the reactions between the alkaline earth metals with water, the solubility of the Group II hydroxides and the solubility of the Group II sulphates.

In this acids and bases worksheet, students use a word bank to complete 33 fill in the blank questions about the Acids and Bases movie found on the website www.brainpop.com

Students explore the types of chemical reactions that can be made with household products. Through various inquires, students work to perform chemical reactions using common household substances and cleaners.

Students test samples of water to determine how a chemical water softener affects water's ability to form suds. After collecting their data and analyzing their results, students answer follow-up questions about their lab.

Students predict the product of chemical reaction using the solubility rules. In this chemistry instructional activity, students balance ionic equation. They perform a lab to check if their predicted products are correct.

Students observe and record the corrosive nature of oxidation-reduction reactions, and determine the electro-chemical series of selected metals.

Students explore conductivity and productivity in aquatic systems.

This simulation explores the effect of secondary dissolved salts on the solubility of sparingly soluble salts.

[Free Registration/Login may be required to access all resource tools.] Explains how and where rivers erode and deposit sediments, including particles and dissolved ions.

This lesson focuses on Electrolysis, the decomposition of a liquid using electricity. When ionic compounds are molten or dissolved in water the ions are free to move. It offers links to a video and a test.

Students use conductivity meters to measure various salt and water solutions, as indicated by the number of LEDs (light emitting diodes) that illuminate on the meter. Students create calibration curves using known amounts of table salt...

Read and learn about strong and weak Arrhenius bases. View the written formula and discover what certain solutions may be dissolved and which molecules can be transferred.

[Free Registration/Login may be required to access all resource tools.] Describes dissolved ions in seawater and their source.

[Free Registration/Login may be required to access all resource tools.] Describes the composition of seawater, including dissolved ions in seawater and their source.

[Free Registration/Login Required] While paying attention to the charges, move the salt ions and water molecules around to simulate how salt ions are dissolved in water.

Add different salts to water, then watch them dissolve and achieve a dynamic equilibrium with solid precipitate. Compare the number of ions in solution for highly soluble NaCl to other slightly soluble salts. Relate the charges on ions...

[Free Registration/Login may be required to access all resource tools.] In the following online tutorail students will define acids and bases in terms of the ions that are produced when each type of compound is dissolved in water. They...

A clear explanation of the facets involved in electroplating, the materials and surfaces, the sequence of operations.