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Changing Colors
SciencenterAdd to list DetailsIn this challenge, learners have to figure out in what order to combine five solutions to change the color from clear, to yellow, to blue, and back to clear. The five chemicals are potassium iodide...
Plant Tissue Culture: Classroom Activities in Plant Biotechnology
APSnetAdd to list DetailsIn this activity related to plant biotechnology, learners use the tissue culture process to rapidly produce clones (genetic copies) of a particular plant (cauliflower, rose cuttings, African violet...
Disappearing Colors
SciencenterAdd to list DetailsIn this challenge, learners figure out how to make a juice stain disappear. (Younger learners will definitely need assistance, and safety instructions are included in the PDF.) First they...
Glow Up
The ExploratoriumAdd to list DetailsIn this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light. This...
Color Me Blue
Oregon Museum of Science and IndustryAdd to list DetailsIn this activity, learners add dilute bleach solution to water that has been dyed with yellow, blue, and green food color. Using a chemical reaction (bleaching), learners can identify different...
Testing Antimicrobials:: Antibacterial Soap? Do They All Work the Same?
Science Museum of MinnesotaAdd to list DetailsMany common household cleaners are antimicrobials. In this activity, learners will test the effectiveness of several of these agents such as bleach, hand soap, and hand gel on a common strain of...
Bone Basics
Twin Cities Public TelevisionAdd to list DetailsThis is an activity (on page 2 of the PDF under Bone Regrowth Activity) about the two main components of bone - collagen and minerals (like calcium) - and how they each contribute to its...
Stiff Bones, Bendy Bones
Lawrence Hall of ScienceAdd to list DetailsBones are stiff, which helps us lift heavy things and walk around, but they are also somewhat flexible, which lets them bend slightly. In this activity, learners experiment with chicken bones in 3...
Transformation of E. coli Using Green Fluorescent Protein
APSnetAdd to list DetailsIn this activity related to plant biotechnology, learners transform a strain of E. coli using green fluorescent protein from a bioluminescent jellies. This lab will help learners understand...
Mummy Magic
New York Hall of ScienceAdd to list DetailsMake your own mummy! Using a combination of salts, transform an apple into a mummy and discover how the Ancient Egyptians used drying as one step in the mummification process. Note: The...