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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. Require a medium and travel much slower than light.






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






3. That matter cannot be created or destroyed; it simply changes form.






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






5. Energy changes forms but is not created or destroyed.






6. One member of a symbiotic relationship benefit.






7. 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.






8. Describes speed and direction






9. By wind which stirs the ocean's surface of great distances.






10. An atom that has a different number of neutrons than its normal amount.






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






12. Energy in motion






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






14. A fairly typical main sequence star.






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






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






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






18. 1. State the problem. 2. Form a hypothesis. 3. Observe and experiment. 4. Interpret the data. 5. Draw conclusions.






19. Is something that starts a chemical reaction - such as a spark.






20. Column






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






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






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






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






25. Control center of the cell






26. Is a change in velocity






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






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






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






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






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






32. Phase where spindle grows and which cuts the cell






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






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. 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.






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






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






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






39. Spiral disk with several long arms.






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






41. Grain like organelles that produce proteins






42. 1. mutualism 2. parasitism 3. commensalism






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






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






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






46. The quantity of substance






47. Occurs when chemical composition of a substance is altered.






48. Is a substance composed of two or more elements






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






50. Deoxyribonucleic acid







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Can you answer 50 questions in 15 minutes?


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