"water bath"

What happens when you place a separator sheet between a column of red-colored warm water on top of blue-colroed warm water and slowly slide the separator out? What happens if the cold water is on the top and the warm water is on the bottom? Use this lab to find out the answers to these questions and determine if density is an intrinsic or extrinsic property of matter.

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Learn about the water cycle.

Utilize natural resources to teach about water ecosystems.

Apparatus Shows Effect of Heated Water on Other Materials

Students use several techniques to investigate the location, methods, and mechanisms of transpiration in plants. Students first determine the source of water loss and confirm their findings with a qualitative chemical test. Then they prepare microscope slides of xylem in stem tissue, and prepare a leaf imprint using an innovative method that vividly highlights stomate structures. Finally, using WARD’S specially-designed potometer and supplied materials, students subject bean seedlings to varying environmental conditions to determine how transpiration is affected. You’ll get enough materials for eight setups, a teacher’s guide, and student copymaster.

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Learn how to use a dichotomous key.

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Two investigations teach the principles of chromatography.

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Three Activities To Challenge And Strengthen Students’ Scientific Method Techniques.

Collect Biological Samples for Analysis

Amaze and Excite Your Students!