TEKS: 5.1 (A): Lab Safety - Test 2

8 Questions | Total Attempts: 740

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TEKS: 5.1 (A): Lab Safety - Test 2

5. (1) Scientific processes. The student conducts field and laboratory investigations following home and school safety procedures and environmentally appropriate and ethical practices. The student is expected to: (A) demonstrate safe practices during field and laboratory investigations; and


Questions and Answers
  • 1. 
    When entering the science lab a student sees the science equipment on the table. The student should -
    • A. 

      Turn on the bunsen burner

    • B. 

      Mix the chemical that are on the table

    • C. 

      Begin cleaning the table

    • D. 

      Wait for the teacher to give instructions

  • 2. 
    A student breaks a glass beaker while working on an investigation. The student should now -
    • A. 

      Ask his partner for help cleaning the beaker

    • B. 

      Clean the glass up himself

    • C. 

      Leave the glass on the table and floor and continue working

    • D. 

      Inform the teacher about the broken beaker

  • 3. 
    Latex gloves should be worn in all of the following situations except -
    • A. 

      Working with dangerous chemicals

    • B. 

      When working with high temperatures

    • C. 

      When working with cold temperatures

    • D. 

      When dissolving water and sugar

  • 4. 
    When using a microscope one should be careful not to -
    • A. 

      Point the mirror directly to the sun

    • B. 

      Look at tiny organisms

    • C. 

      Allow your partner to look through it as well

    • D. 

      Clip the slides correctly

  • 5. 
    Running around the classroom could cause all of the following except -
    • A. 

      Students to get hurt

    • B. 

      Students to finish their work faster

    • C. 

      Students to break glass containers

    • D. 

      Students to cause an accident

  • 6. 
    Tongs should be used in the lab when -
    • A. 

      Working with water

    • B. 

      Working with sand

    • C. 

      Working with hot objects

    • D. 

      Working with a microscope

  • 7. 
    Aaaa
    • A. 

      A

    • B. 

      A

    • C. 

      A

    • D. 

      A

  • 8. 
    Sasaa
    • A. 

      A

    • B. 

      A

    • C. 

      A

    • D. 

      A