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Tenth Grade (Grade 10) Scientific Methods and Applications Questions

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Grade 10 Scientific Method
The act of noticing and describing events or processes in a careful and orderly manner is a(an)
  1. observation.
  2. examination.
  3. theory.
  4. fact.
Grade 10 Scientific Method
The                 variable is changed by the experimenter.
  1. dependent
  2. independent
  3. controlled
  4. uncontrolled
Grade 10 Scientific Method
What is a necessary component of good experimental design?
  1. independent variable
  2. dependent variable
  3. control
  4. replication
  5. sample size
  6. all of the above
Grade 10 Lab Practices and Tools
Any lab chemical may be flushed down the sink.
  1. The statement is correct.
  2. The statement is incorrect.
Grade 10 Lab Practices and Tools
Read and follow all directions very carefully.
  1. True
  2. False
Grade 10 Lab Practices and Tools
What do electron microscopes use to focus and magnify an image?
  1. glass lenses
  2. electron beams
  3. X rays
  4. light
Grade 10 Scientific Methods and Applications
A road map is an example of a
  1. graphical model.
  2. mathematical model.
  3. conceptual model.
  4. correlation.
Grade 10 Scientific Method
A hypothesis
  1. is based on a personal belief.
  2. may be disproven by a single experiment.
  3. does not have to be tested to be accepted.
  4. is a proven fact.
Grade 10 Lab Practices and Tools
You have been injured in the laboratory with a cut or burn. First, you should
  1. visit the school nurse.
  2. tell the teacher.
  3. apply first aid yourself.
  4. scream loudly.
Grade 10 Scientific Method
If data from repeated experiments does not support the hypothesis, the scientist's next step is to
  1. give up.
  2. revise the hypothesis.
  3. repeat the experiment.
  4. overturn the theory.
Grade 10 Lab Practices and Tools
Chemicals should be stored                                                    .
  1. according to their reactivity with other substances
  2. by alphabetical order
  3. in an off-site research facility
  4. in a dark room
Grade 10 Scientific Method
Science is best described as a
  1. set of facts.
  2. way of knowing.
  3. collection of beliefs.
  4. list of rules.
Grade 10 Scientific Method
In a scientific investigation, the size of the sample population should be large enough to
  1. reflect the probability of an unwanted outcome.
  2. give an accurate estimate of the whole population.
  3. closely resemble the system they represent.
  4. all of the above
Grade 10 Lab Practices and Tools
If glassware breaks, you should
  1. throw it in the sink.
  2. notify the teacher.
  3. dispose of it in the broken glass container.
  4. both b and c
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