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Evaluate the efficiency of lettuce cleaning techniques. The project goals include assessing the cleanliness of salad preparation techniques by comparing the total number of bacterial colonies produced ...
Hipervinculo Biología
Students will learn how to plate samples on Petri dishes, measure bacterial colonies and evaluate the effectiveness of different cleaning agents. They will also consider the behavioral implications of ...
Hipervinculo Biología
This experiment serves to introduce students to the conditions under which molds grow, how they can be useful to us and how their growth can be controlled. In addition, the students learn how to condu ...
Before refrigerators and freezers were invented, people cooled their food and kept them from spoiling by putting it in ice and snow. This was obvious not convenient and does not nearly have the same p ...
Hipervinculo Biología
This science fair experiment also serves to acquaint students with the essential processes of sciencing such as the importance of the use of a control, of identifying dependent and independent variabl ...
I chose to study tides as my project during the summer of 2000 while I was at the Maryland Summer Science Center Horsehead Wetlands Program. One of the teachers there introduced the subject of tides t ...
Determine the effect of tank size on the growth rate of freshwater fish. The goals of this project are: To test tank size against growth rates in freshwatefish. Objectives: To provide information t ...
Hipervinculo Ciencias de la Tierra y Medioambiente
Tidepools are areas of seawater left behind when ocean tides come in over uneven land. When the tide recedes, the freshly saturated landscape remains deeply puddled in certain places. These deep salty ...
Hipervinculo Ciencias de la Tierra y Medioambiente
Does recycled paper break down faster than new paper? Dig a hole about two inches deep and large enough to lay the pieces of paper side by side. Place the pieces in the hole and bury them with the sam ...
Hipervinculo Ciencias Naturales
Does it save more water to take a shower or a bath?It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the content. If you want to downlo ...
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