Learners test the FREEZING TOLERANCE of beet slices. They Predict the results of a test for the presence of sugars released from beet cells in the SALT, SUGAR, and DISTILLED solutions.
10th - 12th Science 3 Views 1 Download
Norbert Rillieux, Thermodynamics and Chemical Engineering
The man who invented the earliest examples of chemical engineering was an American-born, French-educated, free man of color before the Civil War, and went on to translate Egyptian hieroglyphics. There is something of interest for almost...
9th - 12th Science CCSS: Adaptable
Diffusion across a Selectively Permeable Membrane
Lab groups fill a section of dialysis tubing with glucose and starch solutions and suspend it in a water bath. They use iodine as a starch indicator and a glucose test strip to find out if either of the materials crossed the selectively...
7th - Higher Ed Science
Solar Kit Lesson #15 - Solar-Powered Electrolysis of Water and the Hydrogen Economy
An outstanding lesson awaits your physics fledglings! After reading about how hydrogen can act as an energy carrier, they examine the electrolysis of water using solar power. They test the gases produced for flammability and will...
10th - 12th Science
Enzymes Help Us Digest Food ~ Introduction to Sugars and Enzymes
Three terrific experiments are delineated in this biology resource. After an explanatory introduction to sugars and enzyme activity, biochemists discover whether lactase is needed to digest lactose, sucrose, and milk as a whole. High...
9th - 12th Science
Investigating Factors That Affect Cell Membrane Permeability
Cell membranes and the factors that affect its integrity are studied, with Beet tissue used as the model. A poster to display findings of the permeability of the membranes would clarify understanding and also allow a layer of language...
9th - 12th Science