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Why build a microscope? The following is a guide on how to build a stereoscopic microscope. This guide allows you to assemble, at a relatively low cost, an instrument that is useful for observing natural objects such as insects, plants, minerals, fossils and flowers.
Difficulty: High school
The purpose of this experiment was to see what materials work the best in a sandbag for preventing a flood. Fine and coarse gravel, plant soil, and mulch are not usually put in sandbags to stop floods. Most people do not have a lot of sand that they can put in sandbags. That's why I'm doing this experiment, to see if fine and coarse gravel, soil, or mulch can have the same effect as sand.
Difficulty: High school
The following lesson can be used as a way of approaching the scientific method during or after a unit on plant growth and development. This investigative activity will enable students to explore the effects of specific plant hormones (abscisic acid and gibberellic acid) on seed germination. They will formulate a hypothesis as well as design and perform the experiment to test the hypothesis.
CategoryBiology > Botany
Difficulty: High school
What is PH and how does it affect the suitability of soil for plant growth?
CategoryBiology > Botany
Difficulty: High school
Soil is one of our most precious natural resources, as it integrates all parts of the ecosystem. It provides a medium for plant growth so that we can have food, clothing, and other materials. Soil filters water, decomposes waste, stores heat, and exchanges gases. Soil is alive- it is the home to billions of micro- and macroscopic organisms. It is a material used for construction, medicine
Difficulty: High school
The purpose of this experiment was to see how different soils affect the growth of a pinto bean. The information gained from this experiment will help produce more trees and plants faster, so they can clean the polluted air around the plant's area. Also knowing this information will help farmers produce more vegetable
Difficulty: High school
What effect does growth hormone supplementation have on irradiated lima beans.
Difficulty: High school
At the conclusion of this experiment I hope to prove whether or not the leachantÂ’s of plant decay makes ground water to acidic. At the conclusion of this experiment I believe that the acids caused by the decaying vegetation will cause an extreme jump in the acidity of the water. At the conclusion of this experiment I believe that the acids caused by the decaying vegetation will cause an extreme
Difficulty: High school
We are going to investigate the affects of two of those hormones on the growth of radish seeds. This experiment will also investigate the phenomenon of geotropism. A tropism is a growth response of a plant to an environmental influence. Phototropism is the typical growth of plants toward light that most of you have seen. This phenomenon is introduced in your textbook where the discovery of plant
Difficulty: High school
The plant hormones or phytohormones are involved in all the stages of plant life from pollinisation - inducing the fecondation and the zygotic embryo development, all the way through its development into an adult plant - to flowering, development of the fruit and senecence control. The same phytohormones not only control the growth and development processes: for that, they are crucially
Difficulty: High school
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