Item Number :
(470014-948)
REVIEWS (1)
Safe and Convenient Visual Presentation
Item Number :
(470102-562)
REVIEWS (1)
This 3-part lab covers selectively permeable cell membranes, hydrophilic interactions, and cell surface area to volume ratio.
Item Number :
(470005-200)
REVIEWS (1)
Insert a sugar solution into the 16" clear tube, lower the membrane end into the jar of water, and watch the water level rise.
Item Number :
(470015-212)
REVIEWS (0)
Study Several Factors That Affect the Density of Water
Item Number :
(470007-228)
REVIEWS (0)
In this activity, designed by Rick Crosslin, students separate microfossils from an Ordovician-age dry clay soil sample and then observe them using ha...
Item Number :
(470023-788)
REVIEWS (0)
Uncover Mysterious Microfossil Clues
Item Number :
(470190-700)
REVIEWS (1)
What can urine tell us?
Item Number :
(470003-738)
REVIEWS (0)
The discovery of synthetic polymers (long chains of carbon) led to the development of thousands of useful products such as nylon and polystyrene.
Item Number :
(470004-456)
REVIEWS (0)
Weave a Food Web for Understanding
Item Number :
(470003-682)
REVIEWS (1)
Illustrate Electrostatic Propulsion and Repulsion
Item Number :
(470012-448)
REVIEWS (0)
Study Sediment Deposition, Transport, and Distribution
Item Number :
(470003-326)
REVIEWS (0)
Working Solar Collector That Students Construct and Monitor.
Item Number :
(470016-848)
REVIEWS (0)
What's the Difference Between an Element and a Compound?
Item Number :
(470016-836)
REVIEWS (0)
Somewhere Over the Rainbow Chemistry Lessons Fly.
Item Number :
(470101-568)
REVIEWS (0)
Teach students how heat travels!
Item Number :
(470012-500)
REVIEWS (0)
Investigate how distance, force, and interference impact the way magnets work.