Introduces basic skills needed to conduct a scientific investigation by observing an experiment in which sunflower seeds are grown under controlled conditions. Demonstrates that by controlling the variables and making measurements of the plants as they grow, the effect of chemical nutrients can be learned.
OCLC:
(OCoLC)5597850
LCCN:
75702169
Locations:
OVUX522 -- University of Iowa Libraries (Iowa City)
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.