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Tenth Grade (Grade 10) Scientific Methods and Applications Questions

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Grade 10 Lab Practices and Tools
You are using a new chemical in the lab that you have not seen before. Like all good scientists, you check the MSDS sheet. What is an MSDS sheet?
  1. safety map of the classroom
  2. list of safety rules for the class
  3. summary of information about a hazardous chemical
  4. contract between the chemical company and the school
Grade 10 Scientific Method
What is the best reason why scientific journals are typically the most reliable sources of science information?
  1. They are written by scientists.
  2. They are peered reviewed.
  3. They are edited by the government.
  4. Their authors are heavily fined if information is incorrect.
Grade 10 Scientific Method
The part of an experiment that is measured and expected to change is a(n)
  1. dependent variable.
  2. hypothesis.
  3. model.
  4. observation.
Grade 10 Lab Practices and Tools
When diluting an acid, always pour the
  1. water into the acid.
  2. acid into the water.
  3. acid down the drain.
  4. acid and water into a new container at the same time.
Grade 10 Scientific Method
When it is not possible to conduct an experiment, scientists test their predictions by                         .
  1. examining correlations
  2. using a control
  3. testing for one variable
  4. remaining skeptical
Grade 10 Lab Practices and Tools
Which type of microscope gives the highest amount of magnification?
  1. light microscope
  2. electron microscope
  3. simple microscope
  4. none of the above
Grade 10 Scientific Method
Which reason BEST describes why it is important for scientists to share their data honestly and openly?
  1. to make sure they get credit before anyone else
  2. to keep anyone else from wasting time with the same experiment
  3. to prove they are actually doing work
  4. to reduce bias by allowing other scientists to review and test their work
  5. to make sure students have plenty of material to read for homework
Grade 10 Lab Practices and Tools
Because you may come in contact with organisms you cannot see, what safety procedure must always be followed?
  1. Read over your activity.
  2. Measure everything carefully.
  3. Wash your hands thoroughly after completing the activity.
  4. Do not wear long sleeves.
Grade 10 Scientific Method
A hypothesis is
  1. always right.
  2. a question that can be tested.
  3. a paper written by a scientist.
  4. detailed records of experimental observations.
Grade 10 Scientific Method
A bias is a(n)
  1. personal point of view.
  2. judgment based on evidence.
  3. proven fact.
  4. opinion of numerous scientists.
Grade 10 Scientific Method
Information gathered from observing a plant grow 3 cm over a two-week period is
  1. an inference.
  2. a variable.
  3. a hypothesis.
  4. data.
Grade 10 Scientific Method
Scientists replicate the work of other scientists to                                                 .
  1. prove them wrong
  2. begin new and different projects
  3. take advantage of new technology
  4. make sure experiments were carried out correctly
Grade 10 Scientific Method
Which statement about a controlled experiment is true? (Select all that apply.)
  1. Everything can be studied by setting up a controlled experiment.
  2. Controlled experiments cannot be performed on living things.
  3. Only one variable is tested at a time.
  4. The control must be kept the same.
Grade 10 Lab Practices and Tools
A chemical that causes cancer is a(n)
  1. irritant.
  2. corrosive substance.
  3. carcinogen.
  4. poison.
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