Biology | Summary | ||||||||
Dye It YourselfÑNaturally!.pdf | Explore various natural dyes extracted from common plants, fruits, and vegetables and their relationships to different fabrics. | ||||||||
Experiments in Human Vision.pdf | Conduct an experiment to determine the location of the blind spot, the dominant eye, retinal afterimages, and depth perception in humans. | ||||||||
Geotropism in Germinating Bean Seeds.pdf | Examine the effects of gravity and water on the growth of a bean seed root. | ||||||||
Growing One-Celled Organisms.pdf | Observe and record the growth of yeast cells and the by-products of fermentation. | ||||||||
Household Chemicals and the Environment | Conduct an experiment to determine the effect of varying concentrations of household chemicals on the emergence of seedlings. | ||||||||
Leaves Can Make Photographs.pdf | Transfer an image from a black-and-white negative to a plant leaf then explore how the products of photosynthesis makes that transfer possible. | ||||||||
Make Your Own Yogurt.pdf | Explore the physical and chemical conditions necessary for bacteria to form yogurt. | ||||||||
Osmosis and Imbibition of Water.pdf | Compare the processes of osmosis and imbibition by recording the movement of water through a potato and noting changes in the sizes of lima bean seeds submerged in water | ||||||||
Speeding Up Nature's Green Machine.pdf | Determine the physical and chemical conditions necessary to increase the rate of photosynthesis in elodea plants. | ||||||||
The Effect of Environmental Factors on Mold Growth.pdf | Design an experiment to determine the necessary conditions for optimal mold growth on a piece of bread. | ||||||||
The Effect of Soil pH on Plant Growth.pdf | Determine how pH affects the growth of radish and bean plants over a two to four week period. | ||||||||
The Great Fruit Juice Contest.pdf | Use a simple titration test to calculate the concentration of vitamin C in different fruit juices. Also, determine the effect of heat on vitamin C concentration. | ||||||||
The Raw-Egg Mystery.pdf | Use the classic raw-egg-and-vinegar experiment to explore the movement of substances across a selectively permeable cell membrane. | ||||||||
Variations on a Human Face.pdf | Using the principle laws of genetics, have two individuals determine the facial characteristics of a hypothetical offspring. | ||||||||
Wings and Arms.pdf | Explore the movement of skeletal muscles through the dissection of a fresh chicken wing and the observation of a human arm. |