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Tag Archives: education
Radioactive Decay
Radioactive isotopes of elements have unstable arrangement of neutrons and protons in their nuclei. To become more stable, they emit alpha or beta particles. But this changes the number of protons and neutrons in the nucleus resulting in the formation … Continue reading
Sources of Nuclear radiation
Nuclear radiation can damage or destroy living cells or make cells grow abnormally causing cancer. The most dangerous is radiation caused by radioactive materials absorbed by the body. Radioactive gas and dust may be taken into the body along with … Continue reading
Nuclear Radiation
Discovery: Henry Becquerel discovered radioactivity accidentally in 1896. Nuclear radiation: Some elements contain atoms with unstable nuclei. With time, the unstable nucleus disintegrates. While doing so, it shoots out a tiny particle and sometimes wave energy as well. Since … Continue reading
m’s notes on nutrition
Posted in scientia 8
Tagged biology, biology for high school, biology test, carbohydrates, education, fats, High school biology, minerals, nutrition, proteins, science, science for grade 8, vitamins
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Sketching linear graphs
Sketching linear graphs using the gradient and y-intercept: In linear equations in the form y = mx + b m is the gradient b is the y intercept Sketching linear graphs that pass through the origin: Graphs that pass through … Continue reading
Posted in mathematica 8
Tagged cool math, education, Gradient, Linear equations, linear graphs, math, math for high school, origin, parenting, Sketching graphs, x-intercept, y-intercept
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Purple Patch 