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5 Written questions

5 Matching questions

  1. Resistance in a circuit
  2. OHMS
  3. Fossils
  4. Electricity
  5. Dating Fossils
  1. a are a unit of measurement of electrical resistance. Resistance is the opposition of the flow of something
  2. b R (total)= R1 + R2 + R3 etc
  3. c Preserved remains, impressions or traces of organisms usually found in sedimentary rocks. When an organism dies its soft parts are usually broken down by a bacteria or eaten by scavenges in a short time only hard parts such as bone, shells, teeth etc remain.
  4. d Indicator Fossils
    Use of Radioisotopes
    Carbon 14 Printing
  5. e energy made available by the flow of electric charge through a conductor

5 Multiple choice questions

  1. Fossils displaying indirect evidence of previous life.
    EG: Worms, burrows, footprints
  2. Field of vision is limited
  3. A device that allows current to pass only in one direction
  4. Are structures that can be shown to be derived from a common ancestor. Structures that are different but are homologous are produced as result of divergent evolution
  5. Chimpanzees, Homo erectus and Neanderthals

5 True/False questions

  1. EonThe genus of bipedal primates. Have large brains


  2. FaradFossil formed when the organic matter decays and is replaced by a different mineral that forms a copy of the original structure


  3. SwitchA switch changes voltages in a circuit trigger the transistor to switch on another device


  4. Dinefelis Preyed upon Australopithecus AfarensisExtinct species of small brain, large toothed, bipedal hominids that lived in Africa


  5. Time DelayTime delay is a device that is used to store up energy in circuits