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  • 1.  
  • 2.  
  • 3.  
  • 4.  
  • 5. Importance of Scientific Investigation Method
  • 6. Variables and Hypothesis
    • Three variables:
      • Manipulated : is changed (we change the
      • value/quantity)
      • Responding : changing
      • Constant : kept constant
    • Hypothesis: relationship between manipulated and responding variables.
  • 7. Examples of hypothesis:
    • You change the temperature of water to see if there is any changes to the volume of water .
    • Hypothesis:
      • The more temperature, the less volume of water.
  • 8. Answers:
    • 1. a) i. The temperature
      • ii. Rate of photosynthesis
      • b) The higher the temperature, the
      • higher the rate of
      • photosynthesis.
  • 9. Answers:
    • 2. a) i. The length of thread
      • ii. Time taken
      • iii. Type of pendulum/number of oscillation
      • b) The longer the thread, the longer
      • time take to oscillate.
  • 10. Answers:
    • 1. a) i. The weight of load
      • ii. Length of spring
      • iii. Type of load/ spring
      • b) The heavier the load, the longer the spring.
      • c) Hypothesis is accepted . The heavier the
      • load, the longer the spring.