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Hipervinculo Biología
Air pollution is a major issue in urban environments. In this experiment, students will grow out the bacteria that collect on air conditioner filters and determine whether there are also bacterial inv ...
Hipervinculo Biología
This science fair project provides the students with the opportunity to make a model of the backbone, a part of the body all vertebrates possess.In this backbone model,the spools represent the individ ...
Hipervinculo Biología
Scientists examine biodiversity in an area to evaluate the health of an ecosystem. By collecting research over a number of years, scientists can determine whether a given species is in decline, experi ...
Hipervinculo Biología
Magicians can do all kinds of neat stuff, like pulling rabbits out of hats and making objects mysteriously disappear. Science is even more powerful! For this science fair project, you’re going to see ...
Hipervinculo Biología
Your eyes are amazing organs. Look in the mirror, and you’ll see three colors in your eyes: the white part (sclera), the colored part (iris), and a small black dot (the pupil).The iris helps control t ...
Hipervinculo Biología
Can plants live and grow when “watered” with juice, soda or milk instead of water? Twelve small, easy to grow plants in pots (bean plants work well). Really only four plants are necessary, but it’s g ...
Hipervinculo Biología
Pine cones, fir cones, spruce cones: if you live in a cool climate, you’ll see these seed-bearing structures all over the parks and the roads.Why do trees make cones? They’re the places where trees ma ...
Hipervinculo Biología
Water is essential for all living things, including plants. Vegetation relies on water in the ground surrounding its roots.After you’ve watered a wilted plant, you’ve probably noticed how the plant’s ...
Hipervinculo Biología
Red ones, yellow ones, orange ones too—who likes tomatoes? If you’d like to grow more tomatoes, what can you do?Does removing the lower stems of a tomato plant increase the number of tomatoes that you ...
Hipervinculo Biología
The greenhouse effect is the trapping of heat in the atmosphere. Without the gases in the air, heat from the sun would bounce back into space. Too much gas in the air causes too much heat to be absorb ...
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