The sunscreen industry markets its products with SPF (Sun Protection Factor) ratings. Sunscreen products of various SPF ratings will be tested for their UV absorbance and effectiveness.Earth's atmosph ...
Vitamin C (ascorbic acid) is an antioxidant that is essential for human nutrition. Vitamin C deficiency can lead to a disease called scurvy, which is characterized by abnormalities in the bones and te ...
Craters form when an object strikes the surface of a planet, moon, or other object in outer space. Craters are also found here on Earth as well. The energy from the impact of an object such as a meteo ...
Compare the holding strength of a sample of homemade casein glue to that of several commercial glues.It is an educational content by education.com.By clicking on the title of this resource, you will b ...
Humans use what is known as binocular vision to perceive depth and see the world in 3D. The binocular vision system relies on the fact that we have two eyes, which are separated by a small distance. T ...
Determine which category of rock (igneous, sedimentary, metamorphic) has the ability to hold oil and by implication natural gas. Develop a qualitative data table of the oil holding capacity of various ...
Soil texture is determined by the relative proportion of sand, silt, clay and small rocks (pebbles) found in a given sample. Sand is gritty to the touch and the individual grains or particles can be s ...
In this project, find out ifhydrogel polymer crystals cankeep items coolerfor a longer period than the same amount of crushed ice.A special kind of polymer called a hydrogel superabsorbent crystal is ...
Substances can be grouped by their ability to bend light. This grouping is called theIndex of Refraction.Based on the amount of light refracted, you candevelop a qualitative "index of refraction" tabl ...
In this experiment,determine if this crystal can absorbother liquids byadding them to orange juice, vegetable oil, milk, rubbing alcohol, vinegar, and club soda.A hydrogel crystal (sometimes called a ...