GENERAL SCIENCE

• Science is a systematic study that is concerned with facts and principles, and methods that could be observed in our natural or physical and social environment.
• Science comes from the Latin word 'scire' that means 'to know’.
• Science is both a body of knowledge and a process – a way of thinking, a way of solving problems.
• The Physical Sciences include Physics, which studies matter and energy and their interactions, and Chemistry, which studies the composition, properties, reactions, and structure of matter.
• Astronomy is the study of the universe beyond the Earth's atmosphere.
• The Earth Sciences include Geology, which studies the origin, history, and structure of the Earth, and Oceanography, which explores and studies the ocean.
• Paleontology is the science of the forms of life that existed in prehistoric or geologic periods.
• Meteorology is the science that deals with the atmosphere and its phenomena, such as weather and climate.
• The Life Sciences, also known as Biology, include Botany, the study of plants, Zoology, the science that covers animals and animal life, Genetics, the study of heredity, and Medicine, the science of diagnosing, treating, and preventing illness, disease, and injury.
• Scientific Method is the logical method used by scientists to acquire knowledge that is used to explain different phenomena in nature.
• The scientific method has six basic steps: Identify and clearly state the problem, Gather information pertinent to the problem, Formulate a hypothesis, Test the hypothesis, Analyze the results, and Draw conclusions.
• The surface temperature of Triton is -390°F, making it the coldest object in the solar system.
• Stephano, Prospero, and Setebos were introduced in 1999.
• Five new Neptunian moons were discovered in 2002 and 2003.
• Triton is covered with a frosty crust, where active volcanoes shoot crystals of nitrogen that look like geysers.
• Neptune has 13 moons, with Triton being the largest.
• A satellite discovered in 2001 was named Trinculo.
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• College entrance exam and science high school entrance test tips
• To convert Celsius to Kelvin: K = __°C + 273.
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• The difference between the freezing and boiling points of water is 100 degrees in each, so that the Kelvin has the same magnitude as the degree Celsius.
• Volume refers to the amount of space that an object occupies.
• Temperature scales in use today include Fahrenheit, Celsius, and Kelvin.
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• Fahrenheit temperature scale is based on 32 for the freezing point of water and 212 for the boiling point of water, with the interval between the two being divided into 180 parts.
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• Prexis symbol Factor giga G 10 9 = 1,000,000,000 mega M 10 6 = 1,000,000 kilo k 10 3 = 1,000 hecto h 10 2 = 100
• Kelvin temperature scale is the base unit of thermodynamic temperature measurement in the International System (SI) of measurement, defined as 1/ 273.16 of the triple point (equilibrium among the solid, liquid, and gaseous phases) of pure water.
• The Kelvin scale is related to the Celsius scale.
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• Celsius temperature scale, also called centigrade temperature scale, is based on 0 for the freezing point of water and 100 for the boiling point of water.