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Eighth Grade (Grade 8) Scientific Methods and Applications Questions

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Grade 8 Scientific Method
Using one or more of your senses to gather information is called
  1. observing.
  2. inferring.
  3. predicting.
  4. classifying.
Grade 8 Lab Practices and Tools
Why is the International System of Units important?
  1. It is based on the number 10 and is used by most scientists.
  2. It is easy to use, and scientists can keep data confidential with it.
  3. It is used only by countries competing for scientific knowledge.
  4. It helps to promote good relations among countries of the world.
Grade 8 Lab Practices and Tools
In the case of a fire or other emergency, what are the steps that your teacher and the class would take to safely exit the science lab and building?
  1. You would quickly put on protective gear, walk to a safe location, follow the teacher's directions, and chat with friends.
  2. You would stop working, leave on protective gear, follow the teacher's directions, and walk quietly out to a safe location.
  3. You would walk quietly to a safe location, stop working, and follow the teacher's directions.
  4. None of the above.
Grade 8 Scientific Method
What is another word for valid?
  1. false
  2. true
  3. incorrect
  4. biased
Grade 8 Lab Practices and Tools
What is the basic unit of length a scientist is likely to use?
  1. foot
  2. meter
  3. mile
  4. inch
Grade 8 Scientific Method
A series of actions or steps taken to achieve a particular end is a(n)
  1. meter.
  2. process.
  3. rule.
  4. independent variable.
Grade 8 Scientific Method
What might a scientist do to communicate scientific results?
  1. tell close friends and relatives
  2. write song lyrics
  3. rely on word of mouth
  4. write a scientific paper
Grade 8 Scientific Method
What must a good hypothesis be?
  1. opinionated
  2. difficult
  3. testable
  4. correct
Grade 8 Scientific Methods and Applications
The best definition of science is the process of
  1. memorizing answers about the natural world.
  2. gathering knowledge about the natural world.
  3. reading the knowledge of the known world.
  4. gathering knowledge about the ancient world.
Grade 8 Scientific Method
The result of using one or more of your senses to gather information is
  1. touch.
  2. hearing.
  3. analyzing.
  4. observation.
Grade 8 Scientific Method
Comparing what you know to new information to determine if you agree is                   .
  1. analysis
  2. critical thinking
  3. experimenting
  4. forming hypotheses
Grade 8 Lab Practices and Tools
Identify the two microscope lenses that are responsible for magnifying a specimen.
  1. ocular and condenser
  2. objective and iris diaphragm
  3. ocular and stage
  4. ocular and objective
Grade 8 Scientific Method
A responding variable is a variable that
  1. responds to changes in the experiment.
  2. will not change.
  3. does not respond to changes.
  4. is manipulated.
Grade 8 Scientific Method
A model is a representation of a(n)
  1. fact.
  2. concept.
  3. theory.
  4. experiment.
Grade 8 Scientific Method
A statement of what will happen next in a sequence is a(n)
  1. hypothesis.
  2. analysis.
  3. prediction.
  4. conclusion.
Grade 8 Lab Practices and Tools
What is the importance of the International System of Units?
  1. It is the oldest system and the most widely used.
  2. It is the oldest system and the most secure.
  3. It is an easy system and used by scientists all over the world.
  4. It is an easy system and the least reliable.
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