ABCTE SCIENCE QUESTION AND ANSWERS, Exams of Advanced Education

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ABCTE SCIENCE

Define Natural Selection by Charles Darwin - Individuals that can adapt better to their environment and produce more offspring. How do we Classify Living things - By physical, genetic traits, and fossil evidence Element for Potassium - K Interphase - DNA is duplicated, cell is preparing to duplicate Prophase - chromosomes form when the DNA strands shorten, spindle fibers begin to form, nuclear membrane begins to break down. Metaphase - spindle fibers attach to chrotids, chromatids line up at the "equator" of the spindle anaphase - spindle fibers shorten, individual chromatids are pulled apart Telophase - chromosomes begin to decompress, cytoplasm begins to divide, nuclear envelope begins to form around the DNA MITOSIS STEPS - 1. Interphase 2. Prophase 3. Metaphase 4. Anaphase 5. Telophase IPMAT What creates the U shape of a valley - Glaciers What Planet is the most similar to Earth - Mars If the Moon is in the middle of the sun and earth what phase is this? - New moon Difference between a comet and asteroid? - Asteroids are made up of metals and rocky material, comets are made up of ice, dust and rocky material. What lines are time zone on? - Longitude What is the international Dateline? - an imaginary line of longitude on the Earth's surface located at about 180 degrees east (or west) of the Greenwich Meridian. What layer of the atmosphere soaks up the most ultraviolet radiation? (sunlight) - Ozone What geological area was the Jurassic period? - Mesozoic What type of rocks forms when Magna cools and hardens? - Igneous

Which layer of the earth do earthquakes happen? - The earth's crust (outer layer) Chemical Weathering - the erosion or disintegration of rocks, building materials, etc., caused by chemical reactions Physical Weathering - refers to the geological process of rocks breaking apart without changing their chemical composition. Clouds associated with Thunderstorms - Cumulonimbus (nimbus =rain) What body of water has fresh water on the top and salt water on the bottom? - Estuary electron - Negatively charged particles of an atom The mass of an electron is almost 1,000 times smaller than the mass of a proton. Proton - positively charged particles found within atomic nuclei. Neutrons - subatomic particle, with no net electric charge and a mass slightly larger than that of a proton. electrovalent bonding (ionic) - an electron from one atom is transferred to another atom. covalent bonding - electrons are actually shared between two or more atoms in a cloud 3 categories of elements - Metals, nonmetals, Metalloids On a pH chart what is most tap water rated? - 7 Kinetic Energy - he energy that it possesses due to its motion. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes. Potential Energy - the energy that an object has due to its position in a force field or that a system has due to the configuration of its parts. Example: Drawing an arrow before shooting it When light passes through a glass prism and makes a rainbow it is called? - Refraction If something is labeled Corrosive it is - Dangerous to skin