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Density measure the amount of mass in a given volume of substance or how much material is in a given space. The density is constant for a substance at a given temperature since increasing the mass of a sample will…
Deoxyribonucleic acid (DNA) contains all the codes necessary for life to continue. Within the rungs of the DNA molecule lies the instructions for cells to reproduce themselves and to reproduce the life form. This tiny spiral-shaped ladder contains the codes…
Budding geologists can use rocks as the basis for several interesting science fair projects and experiments. Finding rocks in the area where you live allows your project to have significance to your local community whereas using rocks from various farther-away…
Because water can absorb and transfer heat well, the human body uses it to stabilize temperature. Water has a relatively high heat capacity, meaning it can absorb a lot of heat before its temperature rises. This trait allows the water…
Compound light microscopes are valuable tools in the lab. They magnify our ability to see in detail by up to 1,000 times, allowing us to study things as small as the nucleus of a cell. With them, we can determine…
The characteristic silver hairs on the backs of some mountain gorillas indicate they are adult males. As extremely powerful, large primates, nearly 400 pounds, compared to their female counterparts at a mere 200 pounds, silverback gorillas live mostly in the…
A circle is a two-dimensional object, which means that area is measured in units squared, such as square inches or square centimeters. To find the area of the circle, you only need to know the radius. The radius is the…
Viscosity is an important parameter in fluid dynamics – so important that scientists working in the field define two different kinds, each with its own units. A common unit for measuring dynamic viscosity is the poise (P), which is equal…
Objects float when the volume of water they displace is less than the volume of the objects themselves. When objects sink, the volume of water they displace is greater than the volume of the object. The principle may seem relatively…
What are some examples of seedless vascular plants? An important group in the evolution of land plants, seedless vascular plants species include many types of ferns, club mosses, whisk ferns and horsetails. There are three types of vascular plants that…
