Curated OER
Maximize It!
Students design a rectangular box without a lid that has the largest possible volume using the supplied sheet of centimeter graph paper. They work in groups to construct different size boxes to determine the largest possible volume and...
Curated OER
Leaf Stomata as Bioindicators of Environmental Change
Students, in this experiment, collect leaves from two species of trees and the stomatal index on the upper and lower epidermis of each leaf be determined.
Curated OER
Leaf Stomata as Bioindicators of Environmental Change
Students perform an experiment to determine the stomaltal index on the upper and lower epidermis of two species of leaves. Stomatal densities change in response to changing atmospheric levels of carbon dioxide and to annual rainfall.
Curated OER
Vowels, Reading Fluency
Third graders practice identifying words with the short o vowel sound. They use the strategy will reading a page from The Hare and the Tortoise. They read the passage while focusing on increasing their reading fluency and practice...
Curated OER
Tree Cookie Combat
Fourth graders discover what trees need to live and grow in the environment. They realize that trees sometimes interact or compete with other organisms as well as each other. They identify the physical characteristics of Utah's...