Science Essays
4,476 Science Free Papers: 4,471 - 4,476
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Yeast
Purpose: Respiration is an important part of the global carbon cycle. To get energy, organisms (plants, bacteria, animals, yeast, etc.) respire. That means they internally burn sugars back into carbon dioxide gas which is then released into the atmosphere. We can use yeast to experiment with and explore this process.
Rating:Essay Length: 1,070 Words / 5 Pages -
Yield Lab
Abstract: All the materials were measured and weighed. It was found in the experiment that the yield of copper hydroxide in 40%. Introduction: The copper (II) sulphate is then placed in 100 mL of distilled water. Then 20 mL of CuSO4 is measured and placed 100 mL of distilled water.
Rating:Essay Length: 908 Words / 4 Pages -
You Can Make a Difference in Preventing Marine Engine Pollution
You Can Make a Difference In Preventing Marine Engine Pollution Currently 12 million marine engines are operated in the United States. These marine engines are among the highest contributors of hydrocarbons (HC) and oxides of nitrogen (NOx) emissions in many areas of the country. HC and NOx produce ground-level ozone,
Rating:Essay Length: 4,115 Words / 17 Pages -
You Can Make a Thermometer
Conclusion My hypothesis was, if I mix water and rubbing alcohol in a bottle and make it warm, then the liquid will no longer fit in the bottom of the bottle because the liquid expands. All of my results supported my hypothesis. Each time the mixture was warmed up, it
Rating:Essay Length: 257 Words / 2 Pages -
Zebra Fish and the Affect of Uv Light on Their Development
Zebra Fish and the Affect of UV Light on their Development The zebra fish are small striped fish that usually develop in about a week. They begin as a single cell embryo to a multi-cellular organism. In an experiment I tested how UV light would effect the development of the
Rating:Essay Length: 745 Words / 3 Pages -
Zinc Oxide
Zinc oxide in a mixture with a about 0.5% iron(III) oxide (Fe2O3) is called calamine and is used in calamine lotion. There are also two minerals, smithsonite and hemimorphite, which have been called calamine historically (see: calamine (mineral). Zinc peroxide, ZnO2 .Ð... H2O, is a white to yellow powder that
Rating:Essay Length: 392 Words / 2 Pages