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3D Experiment: Red/Blue Glasses vs. HD Glasses

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 ...

Impact Craters on the Moon

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 ...

Which Type of Sunglass Lenses Gives the Best Sun Protection?

Determine which sunglass lens type and/or tints and coatings gives the best sun protection by absorbingultraviolet (UV) light.Use a UV-Detector to determine the intensity of ultraviolet light that is ...

What Is the Most Effective Sunscreen?

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 ...

Soil Porosity: Sand, Silt, and Clay

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 ...

Which Fruit Has the Most Vitamin C?

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 ...

Polymer Crystals vs. Ice

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 ...

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