Learners discover how underground rock formations grow. They perform various activities based on grade level.

Young scholars observe the chemical reaction between CuCl2 and aluminum. They identify the evidence for a chemical change. Pupils answer the following questions after observing the experiment: How do you know a chemical reaction...

Students are introduction to the cause and effect of a chemical reaction between water, mucilage glue, and magnesium sulfate as they form crystals.

Students, using zebra mussels (Dreissena polymorpha), elodea and an indicator dye, observe and record the role of light in photosynthesis. They consider plant production of carbon dioxide and the use of live materials in biological...

Students isolate and identify a dye, which represents a synthetic pesticide, from plants.

Student Teachers are given the opportunity to examine how to use a computer-based laboratory for inquiry. The practice is done to teach future teachers how to use these tools so they can be ready for use in the classroom environment.

In this science worksheet, students find the terms that are related to the concept of the ocean salt and sand. The answers are found by clicking the link at the bottom of the page.

Pupils explain the importance of the five main biogeochemical cycles. In this chemistry lesson, students discuss how ions are transported in the environment. They design an experiment to collect data on eutrophication.

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

Students experiment with Thin Layer Chromatography to separate pigments found in flower petals.

Students explore solubility of gases in water, Henry's Law, LeChatelier's Principal, and supersaturation of gases in water.

Students examine the impact of the physical and chemical properties of milk and its use as an important food.

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.

Fourth graders explore and experiment with objects that float to see if they float differently in salt water or fresh water. After the experiment, they write a paragraph in their science journal explaining how fresh water and ocean water...

Students explore the tissues of the bone. They discuss bone composition and physiology. Students perform experiments to compare and contrast the decalcifying properties of several liquids.

Learners test the conductivity of selected liquids and solids. They test the circuit by touching the two free ends of the wires together and add salt little by little recording the data after each addition. Finally, students predict...

Students explain the value of blood in trials.  In this DNA lesson students work together to collect and share information and ideas that they come up with after learning how to distinguish blood from other stains. 

Substances dissolved in water can be present in very tiny amounts that are not visible to the eye. in this lesson plan students make a solution of food coloring with a concentration of one part per million.

Students identify and control variables to design an experiment to see whether the temperature of a solvent affects the speed at which a solute dissolves.

What happens when sugar and salt are added to water? Pour in sugar, shake in salt, and evaporate water to see the effects on concentration and conductivity. Zoom in to see how different sugar and salt compounds dissolve. Zoom in again to...

Explore what happens when one substance dissolves into another. Run the simulations and see if you can predict the results.

Students use their own model of a salt crystal and water molecule to show how water dissolves salt. Then, they relate their observations to the structure of salt, water, and alcohol on the molecular level.

An activity to investigate the factors that affect the rate of a substance dissolving. In this activity, students see if the rate of dissolving of the M&M coat is changed by the amount of sugar already dissolved in water. This...

In this module, students study solutions; how they are formed, how to calculate concentration of solutions, and what the colligative properties of solutions are.