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In the general sense, a machine is an apparatus that uses energy to perform work. Machines have an enormous range of applications in the industrial, commercial, residential and every other field that produces or studies things. The two basic types…
A molecule’s shape depends on the atoms that make it up and the electrons that belong to the central atom. If the atoms arrange themselves around the central molecule so that they exist on a single two-dimensional plane, the molecule…
The tropical regions of the Earth are between the Tropic of Cancer and the Tropic of Capricorn in a band of straddling the equator. Forests in the tropical regions can be evergreen or deciduous. In the evergreen tropical forests, a…
The chipmunk is a variety of ground squirrel found in North America and Asia. There are 16 different species, all of which share the common characteristic of facial stripes. Although their size varies from species to species, all chipmunks are…
The word ecosystem refers to the all of the living species as well as non-living elements in a particular environmental area. For instance, a lake, swamp, coral reef, forest, or a prairie would each be considered an ecosystem. Ecosystems can…
The state of Texas evokes sweeping plains and open spaces, hill country and Gulf Coast beaches. Texas is not as renowned as a source for gemstones. Nevertheless, due to some interesting geological features in the state, treasures can be found…
If you have ever wanted to make something vanish as if by magic, all you need is acetone and Styrofoam. While Styrofoam does not decompose quickly or easily, acetone makes it seem to disappear in seconds. This is because acetone…
When you see a mushroom, you are looking at a tiny part of the whole fungus. Mushrooms are the fruiting bodies, the reproductive structure, for some types of fungi. The rest of the fungi is a body of fine threads…
Deer, as with all living organisms, play an important role in an ecosystem. Their presence influences and is influenced by other organisms that live alongside them in their natural habitat. Plants and animals all need beneficial conditions in order to…
Fireflies are a fascinating sight at night. It’s no wonder they’re also known as lightning bugs. Neither flies nor bugs, fireflies are classified as beetles, living in meadows, forests, lawns and streams. Like all wildlife, fireflies are best left in…
