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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. Calories






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






3. Spiral disk with several long arms.






4. The Moon and the Sun are on opposite sides of the Earth.






5. Angiosperms






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






7. Is an object's rate of motion = Distance/Time






8. 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.






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






10. This is the motion of objects emitting or reflecting sound waves changing their frequency.






11. Plants response to light






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






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






14. Duplicates genetic material






15. 1. egg 2. tadpole (breathes water) 3. metamorphosis 4. adult frog (breathes air)






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






17. One member benefits - the other is unaffected.






18. Are a progressive disturbance propagated from point to point (with regularity between points)






19. Occurs when cooler portions of a liquid or gas flow in to take the place of hotter - rising portions.






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






21. Is the smallest unit of an element that still has the properties of that element.






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






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






24. Asserts that organisms have changed over time to adapt to the unique and varied demands of their changing environments.

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25. Force = Mass X Acceleration






26. Cell begins to split






27. 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.






28. Stores food and other materials needed by the cell






29. Has the same number of protons and neutrons






30. 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.






31. The types of organisms an ecosystem can support is primarily determined by the amount of...






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






33. 1. temperature (think movement) 2. pressure






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






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






36. 1. positive charge 2. located in nucleus 3. mass is 1 AMU






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






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






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






40. Is a substance composed of two or more elements






41. As a nebula contracts - the particles collide with colossal force igniting a nuclear reaction and forming a protostar.






42. Organelle found in cells of plants and some other organisms that captures the energy from sunlight and convert it into chemical energy






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






44. 1. puzzle piece argument 2. sea floor spreading 3. fossil records






45. 1. egg 2. larvae 3. pupae/crysalis 4. imago/adult butterfly






46. Our solar system is made up of numerous bodies which orbit the Sun due to...






47. Stamen






48. 1. prophase 2. metaphase 3. anaphase 4. telophase






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






50. 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.