Students investigate osmosis as they determine how carrot cells respond to two different environments. They conduct the experiment, record the data, and answer discussion questions.
9th - 12th Science 3 Views 11 Downloads
The Path of Least Resistance
Your class won't be able to resist this lesson on the path of least resistance, or rather, on conductors and insulators. Using two types of modeling dough, one that conducts and one that insulates, young electrical engineers construct...
6th - 12th Science CCSS: Designed
Solar Electricity ~ The Colour Sensitivity of a Photovoltaic Cell
Teacher's notes, a materials list, detailed procedure, tips, and extension ideas are all included to make teaching this lesson on photovoltaic cells a sunny spot in your day! After some brief background reading, physical science...
7th - 10th Science
Cell Size and Shape; Diffusion and Osmosis Processes
Use salmon eggs as a cell model for demonstrating the movement of water over concentration gradients. Junior scientists examine the same process microscopically with an onion cell. They use a thistle tube and a semipermeable membrane to...
9th - 12th Science
How We Think Complex Cells Evolved
Being able to absorb the abilities of other life forms may seem like something taken from a superhero movie, but sometimes reality is stranger than fiction. Join the narrator as he takes viewers back billions of years to investigate how...
6 mins 7th - 12th Science CCSS: Adaptable