by msander | Oct 20, 2014 | Gr 9-10 Science, Gr. 11-12 Chemistry, Safety
Diluting acids to prepare a solution of a required concentration requires skill, training and common sense. This Flinn Scientific video offers good, practical advice on how to prepare dilute acid solutions. A safer alternative to working with concentrated acids is...
by msander | Oct 20, 2014 | Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry, Gr. 11-12 Physics
A new study may help mankind understand the gravity of climate change. West Antarctica has lost so much ice between 2009 and 2012 that the gravity field over the region dipped, according to an announcement Friday from the European Space Agency (ESA). The conclusion is...
by msander | Oct 13, 2014 | Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
Written by: Roxanne Palmer and Julie Rossman, World Science Festival Whether you make a point of going on leaf-peeping excursions or just enjoy the turning leaves shading your street, you probably wonder what the story is behind the autumn palette of maples, oaks,...
by msander | Oct 13, 2014 | Gr 7-8 Science & Tech, Gr. 11-12 Chemistry
This discrepant event is based on the surface tension of water. Students predict the number of pennies that can fit into a wine glass filled almost to the brim with water and then have their prediction tested. Part 1. Teacher Demonstration. Materials: wine glass...
by msander | Oct 13, 2014 | All Science Teachers, Gr. 11-12 Biology, Gr. 11-12 Chemistry
Nobel Prize In Chemistry Rewards Thinking Very, Very Small The Nobel Prize in Chemistry 2014 was awarded jointly to Eric Betzig, Stefan W. Hell and William E. Moerner “for the development of super-resolved fluorescence microscopy”. via ScienceDaily:...
Recent Comments