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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. Is a change in velocity






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






3. Within compounds - the various atoms making up molecules are held together by...






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






5. Phase where spindle grows and which cuts the cell






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






7. 1. convergent 2. divergent 3. transform






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






9. Plants response to light






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






11. 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.






12. 1. mutualism 2. parasitism 3. commensalism






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






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






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






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






17. Stamen






18. Causes salt to move across a permeable membrane from an area of greater salinity to an area of lesser salinity.






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






20. Anything that has mass and takes up space






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






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






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






24. Column






25. 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.






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






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






28. Has a pair of chromosomes






29. 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.






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






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

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32. H2O + CO2 --> CH2O + O2






33. As pressure increases volume decreases

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






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






36. Cell begins to split






37. Cellular division to create sex cells called haploids.






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






39. Plants response to gravity






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






41. Control center of the cell






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






43. An object in motion stays in motion along a straight path unless acted upon by a net external force.






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






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






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






47. A group of subjects upon which a hypothesis is tested.






48. Are huge clusters of billions of stars






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






50. Grain like organelles that produce proteins