Does Dye Die? Foreign Chemicals in Our Environment

It's the moment of truth. Previous lessons in the 24-part series had scholars design and develop shampoo formulas using chemical concepts. The 18th lesson asks them to test the function of their shampoos. To do this, they calculate the...

Incorporate multiple facets of the cell into your next high school lab! Through an introduction to cell organelles, class members observe each cell type and draw visuals to further demonstrate understanding of cellular processes in both...

Students use chromatography to separate plant pigments collected from a fictitious crime scene and suspects. They compare the Rf values of the plant pigments to determine whether the plant pigments found on any of the suspects match the...

Pupils practice writing research proposals to test the color fastness of a dye once it has been exposed to a t-shirt. Each proposal needs details of experimental design, length of treatment, and means of cleaning the shirt. All proposals...

Students investigate how natural dyes from plants was an expression of Native American cultures. They examine objects dyed from natural sources, conduct Internet research, and create their own dyes using various plant sources.

Young scholars investigate the effects of acid and bases on dyes made with plant materials.  In this chromatography lesson students predict color outcomes and complete a lab activity on color combinations.

Soil pollution has a longer reach than may seem possible. A video presentation demonstrates how a seemingly isolated soil contamination spreads and even reaches waterways. The lesson demonstrates how scientists conduct porosity tests...

In this lesson for learners from 3rd-12th grades will learn to build an experiment chamber to test the effects of light on Brassica rapa roots, and compare their results with outcomes from plant experiments conducted aboard the...

High schoolers conduct various experiments to investigate plant transpiration. In this biology lesson plan, students explain how this process helps maintain the hydrologic cycle. They measure the rate of water loss in plants using a...

Pupils investigate the biological and chemical characteristics of water to determine where purple loosestrife occurs. They create data sheets to record water quality tests in several locations and work in groups to conduct the water...