School Improvement in Maryland

Using the State Curriculum: Science, Grade 8

Skills and Processes | Earth/Space | Life | Chemistry | Physics | Environmental

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Standard 1.0 Skills and Processes

Topic A. Constructing Knowledge

Indicator 1. Design, analyze, or carry out simple investigations and formulate appropriate conclusions based on data obtained or provided.

Objective g. Give reasons for the importance of waiting until an investigation has been repeated many times before accepting the results as correct.

Selected Response Item

Use the information and the picture below to answer the following.

Engineers tested the safety of a new model of car. The engineers designed safety tests and collected data from those tests. One test is pictured below.

How do engineers accurately predict what would happen in a real car crash?

  1. Engineers review one trial on a computer.
  2. Engineers do one trial using many cameras.
  3. Engineers do several trials to verify the results are consistent.
  4. Engineers do several trials at a speed faster than the posted speed limit.
/toolkit/vsc/assessment_items/msa_science_8_044.xml

Correct Answer:
C