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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. Stamen






2. C14 dating only works on organisms that died less than _____ years ago.






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






4. 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.






5. 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.






6. Is the measure of the presence of hydrogen ions in a substance.






7. 1. Law of Inertia 2. Law of Acceleration 3. Law of Reciprocal Actions

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8. A change in position






9. 1. igneous 2. metamorphic 3. sedimentary






10. Stored energy






11. Because carbon bonds readily with a variety of different elements and compounds - making possible the great chemical complexity necessary for life.






12. Describes speed and direction






13. Plants response to gravity






14. Occurs when light returns after bouncing off an object.






15. Is a homogeneous mixture in which one substance has dissolved into the other - example: salt water






16. H2O + CO2 --> CH2O + O2






17. Calories






18. The point around which a lever rotates






19. Unless an object is moving in a vacuum - the object causes...






20. It spreads the work over a greater distance along the planes of the wedge.






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






22. A bond formed when atoms share one or more of their valence electrons.






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






24. Causes beneficial traits to be propagated and detrimental traits to be eliminated.






25. Force = Mass X Acceleration






26. 1. producer 2. primary consumer 3. secondary consumer 4. tertiary consumer 5. decomposer






27. The time required by half the atoms of a particular substance to disintegrate






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






29. 1. gravity 2. magnetism 3. friction (think of a falling sheet of paper vs. a falling book)






30. One member benefits - the other is unaffected.






31. The quantity of substance






32. An ion






33. The measure of the kinetic energy in a substance's molecules. Simply - temperature is atomic motion.






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






35. 1. by row 2. atomic number and mass increase as you move left to right and top to bottom






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






37. Forms the key building block at an atomic level.






38. 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.






39. Converts energy from food to energy the cell can use






40. An atom with an imbalanced charge






41. Has the same number of protons and neutrons






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






43. Spiral disk with several long arms.






44. Column






45. Protects and supports the cell






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






47. Anything that has mass and takes up space






48. The capacity to work






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






50. As pressure increases volume decreases

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