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Moisture comes from home plants
Place a cellophane bag over a leaf of some house plant or garden plant and close the end about the stem with a rubber band. Make an observation after one hour.
To show the differences in soil particles Secure some glass jars that hold about half Gallon or two litres of water. Place various handfuls of soil in a jar. Fill the jar with
Thiamin (vitamin B1) Thiamin was first isolated in 1926 from rice polishing by Jansen and Donath. Its empirical formula was established in 1931 by Windaus and co-w
How did it change from Mendeleev to Mosely?
Determine about the soil humus The organic constituents (organic colloids) are due to mainly the plants and partly the animals. They form only a small fraction and get transfo
Observing the phases of the moon Over the time of a lunar month have the children make nightly observations and illustrate drawings of the moon. Start at new moon and continue
Explain the texture of igneous rocks? There are four main textures of igneous rocks which are used to classify them. The rate of cooling and crystal growth account for the diff
Which is primarily involved in the movement of a glacier: gravity
Artificial Satellites Tireless Servants in the Sky The space crafts that move in an orbit around the earth are called artificial satellites. Most satellites go around the
Beneficial Role of Soil Organisms The soil organisms play a significant role in the life cycles of plant and animals through decomposition, synthesis and transformation, in wh
Eight students conducted a controlled experiment to demonstrate how walking and running affected their heart rates. Use the data below to answer the following questions. Effects of
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