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Ninth Grade (Grade 9) Scientific Methods and Applications Questions

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Grade 9 Scientific Method
Grade 9 Scientific Method
What would be an appropriate hypothesis related to investigating the image?
Pictograph - Adult Butterfly
  1. If the temperature becomes too cold, then the butterfly will be unable to reproduce.
  2. The butterfly eats nectar only when there is no wind.
  3. The spots on the butterfly's wings are used to help it capture prey.
  4. Butterflies use their antennae to detect signals coming from other organisms.
Grade 9 Scientific Method
How long does a hypothesis need to be to carry out a valid experiment?
  1. The hypothesis should be at least three sentences.
  2. The hypothesis needs to be as long as necessary to accurately describe the predicted outcomes.
  3. The hypothesis can be never be more than one sentence long.
  4. The hypothesis has to be long enough to include all of the methodology in the experiment.
Grade 9 Lab Practices and Tools
Mass is measured in
  1. meters.
  2. grams.
  3. joules.
  4. pounds.
Grade 9 Lab Practices and Tools
Which task would the laboratory instrument shown be most useful for?
Lab Tool - Electronic Balance
  1. measuring 450 milliliters of water
  2. measuring 15 milliliters of vinegar
  3. weighing 200 grams of baking soda
  4. transferring powered chemicals from a bottle
Grade 9 Scientific Method
A testable explanation for a question or problem is a(n)
  1. adaptation.
  2. control.
  3. reproduction.
  4. homeostasis.
  5. hypothesis.
Grade 9 Scientific Method
Grade 9 Lab Practices and Tools
Grade 9 Lab Practices and Tools
A                 is used to measure mass.
  1. balance
  2. scale
  3. calculator
  4. microscope
Grade 9 Lab Practices and Tools
What are the items shown?
Lab Tool - Measuring Cylinders
  1. test tubes
  2. wash bottles
  3. Erlenmeyer flasks
  4. graduated cylinders
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