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






2. An atom with an imbalanced charge






3. Column






4. For every action there is an equal and opposite reaction.






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






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






7. An ion






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






9. One member benefits - the other is unaffected.






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






11. Occurs when light is bent while passing from one medium into another.






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






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






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






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






16. Calories






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






18. 1. incline plane2. wheel and axle 3. lever 4. pulley 5. wedge 6. screw






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






20. 1. kingdom 2. phylum 3. class 4. order 5. family 6. genus 7. species






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






22. Cell begins to split






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






24. Is a change in velocity






25. 1. solid 2. liquid 3. gas






26. Stores food and other materials needed by the cell






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






28. Caused by the Earth's tilt on its axis. As it revolves arond the Sun - the tilt causes each hemisphere to receive more direct exposure at certain times in its orbit.






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






30. That space and time are relative - not absolute concepts






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






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






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






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






35. Is a substance composed of two or more elements






36. Duplicates genetic material






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






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






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






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






41. Anything that has mass and takes up space






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






43. Plants response to gravity






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






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






46. Energy in motion






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






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






49. 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.






50. One member of a symbiotic relationship benefit.