Document: http://sciencecases.lib.buffalo.edu/cs/collection/detail.asp?case_id=304&id=304 Abstract: What is a googol?  Invented by Edward Kasner, an American mathematician who popularized the number in his 1940 book, Mathematics and the Imagination, it is a 1 followed by a hundred zeros. This directed case in estimation and very large numbers was written for a college-level introductory astronomy course, although it could also be used in a variety of...

Document: http://sciencecases.lib.buffalo.edu/cs/collection/detail.asp?case_id=466&id=466 Abstract: In this dilemma case, the central character, a museum curator, must decide whether or not to show a painting as a hitherto “undiscovered” Cezanne. The stylistic analysis suggests it is for real, but data obtained using different spectroscopic techniques are inconclusive. Students study the data and then make a decision as to whether they believe the painting is...

Document: http://sciencecases.lib.buffalo.edu/cs/collection/detail.asp?case_id=243&id=243 Abstract: Does an ice cube melt more quickly in salt water or in freshwater? The answer surprises the group of student science teachers portrayed in this case study. To explain the phenomenon they must figure out the interactions between two clusters of concepts: (1) density and its relationship to floating or sinking, and (2) three modes of heat...

Document: Human Fetal Growth Abstract:As an embryo grows into a fetus, size and mass are just two variables that will change over the 38 weeks.  Even though changes in size and mass do not occur at the same rate, an average mass and an average body length has been determined at various stages of development. From these two factors, an...

Document: Sheep Heart Dissection Abstract: Use lab guides and manuals to help you locate each of the structures

Document:Cow Eye Dissection Abstract: Read each step carefully. Place a check in the box once you locate the structure.

Document: Skin Assesment Lab Abstract: Observe the color of the palm of your hand under normal conditions. Describe it in the chart below. Obtain a watch glass and press your palm firmly against the plate for 1 minute. Observe the skin through the glass and record your observations

Document: Mystery of the Bones Abstract: In a quiet camping area known as Crystal Lake, four complete human skeletons were found in the mud when the lake began to dry during a drought. Detectives checked the missing person’s reports for people in the area and found that five people had disappeared from that area over the last 10 years.