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In this science fair project focuses on a special kind of polymer called a hydrogel superabsorbent crystal which absorbs water, swelling to many times its original size. This water absorption ability ...
First of all, what is a hygrometer and why would you want to make one?A hygrometer is a tool used by meteorologists(scientists who study the weather) to measure how much moisture is in the air.You mig ...
If you wake early in the morning, you may notice that the ground is wet with dew. This dew doesn’t come from rain, but seems to magically appear on surfaces. During the night, the temperature of the a ...