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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. Has a pair of chromosomes






2. 1. neutral charge 2. located in the nucleus 3. mass is 1 AMU






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






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






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






6. Spiral disk with several long arms.






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






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






9. As pressure increases volume decreases

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10. Plants response to light






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






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






13. Calories






14. Are huge clusters of billions of stars






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






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






17. 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.






18. Phase where spindle grows and which cuts the cell






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






20. 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.






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






22. A material that can be separated by physical means into two or more substances.






23. The quantity of substance






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






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






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






27. Anything that has mass and takes up space






28. A change in position






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






30. A fairly typical main sequence star.






31. One member benefits - the other is unaffected.






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






33. Is a change from one state to another without a change in chemical composition.






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






35. 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.






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






37. 1. convergent 2. divergent 3. transform






38. Has the same number of protons and neutrons






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






40. Is a change in velocity






41. An atom with an imbalanced charge






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






43. Is a substance that cannot be separated into simpler substances by chemical means






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






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






46. Column






47. Stored energy






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






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






50. 1. igneous 2. metamorphic 3. sedimentary