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CSET Subject 2: Science

Subjects : cset, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. 1. evaporation 2. condensation 3. precipitation 4. infiltration 5. runoff






2. Occur because the shadow of the Earth or the Moon is cast onto the other body.






3. Is a method of separating ions within a substance by passing electrical current through the substance






4. Cell begins to split






5. The number of protons a particular type of atom has. The atomic number defines the type of element.






6. Is a substance composed of two or more elements






7. Occurs when heat is transmitted in the form of electromagnetic waves.






8. 1. the more massive either or both bodies are - the greater the gravitational force between them. 2. the further apart two bodies are - the lesser the gravitational force between them.






9. 1. negative charge 2. located in the nucleus 3. mass is about 1/1836th of an AMU






10. Pulls apart into two separate cells






11. That space and time are relative - not absolute concepts






12. A bond in which on atom loses an electron to form a positive ion and the other gains an electron to form a negative ion - creating an electrostatic force which holds them together.






13. Can occur by chemical means such as acid rain or physical means - such as wind - rain and ice.






14. 1. mutualism 2. parasitism 3. commensalism






15. A group which resembles the experimental group in all other ways - but on which the hypothesis is not tested. In some clinical trials the control group is given a placebo.






16. States that all of the Earth's continents at one time were joined as a single 'super - continent' called Pangaea. Over time - the continents drifted apart.






17. Is a system in which small particles are kept dispersed by agitation or molecular motion in the surrounding medium - example: muddy freshwater






18. Require a medium and travel much slower than light.






19. Occurs when light is bent while passing from one medium into another.






20. Are caused by the gravitational pull of the Moon and the Sun on the Earth.






21. 1. inner core 2. outer core 3. mantle 4. crust






22. When the Moon and the Sun are in alignment we get more extreme tides.






23. Caused by the Earth's tilt on its axis. As it revolves arond the Sun - the tilt causes each hemisphere to receive more direct exposure at certain times in its orbit.






24. Are affected by the angle from which we view the moon.






25. As pressure increases volume decreases

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26. Is the process of storing energy through photosynthesis and later releasing it through respiration.






27. The capacity to work






28. 1. homeostasis 2. organization 3. metabolism 4. growth 5. adaptation 6. response to stimuli 7. reproduction






29. Begin as huge clouds of dust and other particles called nebulas.






30. Grain like organelles that produce proteins






31. Deoxyribonucleic acid






32. Cellular division creating diploid cells which are typically capable of beginning the process again.






33. The Moon is between the Earth and the Sun.






34. An isotope created in the earth's atmosphere by cosmic rays. All living things absorb carbon 14. When they die absorption stops and the organism's existing C14 begins to radioactively decay back to C12.






35. Occurs when heat is transferred due to fast moving atoms and molecules colliding with slower ones in a neighboring region.






36. Matter and energy have the properties of both particles and waves






37. Refers to the vast periods of time over which the Earth changes.






38. Control center of the cell






39. 1. kingdom 2. phylum 3. class 4. order 5. family 6. genus 7. species






40. Thin - flexible barrier around a cell; regulates what enters and leaves the cell






41. Is the particular wavelength of light we observe that is not absorbed by an object.






42. The amount of matter that makes up an atom. You can estimate an atom's atomic mass by adding up the total number of protons and neutrons.






43. As temperature increases volume also increases

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44. 1. hair 2. warm - blooded 3. live birth 4. nurses their young






45. Radioactively decay back into their 'normal' forms over time






46. Spiral disk with several long arms.






47. When the Moon or the Sun are pulling at perpendicular angles we get less extreme tides.






48. One member of a symbiotic relationship benefit.






49. Illustrates the relationship between absolute magnitude - luminosity - classification and effective temperature of stars.






50. Protects and supports the cell