Air and Atmosphere Multiple Choice Questions and Answers 9

Learn air and atmosphere MCQs, grade 6 science test 9 for online learning courses and test prep. The atmosphere multiple choice questions (MCQs), air and atmosphere quiz questions and answers include science worksheets for 6th grade science help with interactive tests.

Science multiple choice questions (MCQ): there is no boundary between atmosphere and space, so density of atmosphere decreases with with options increasing altitude, same height, constant height and decreasing height, the atmosphere quiz with eBooks online to download for problem-solving skills for charter school and high school students. Free science study guide to learn the atmosphere quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere Worksheets 9 Quiz PDF Download

MCQ: There is no boundary between atmosphere and space, so density of atmosphere decreases with

  1. same height
  2. increasing altitude
  3. constant height
  4. decreasing height

B

MCQ: Chemical formula of ozone is

  1. O3
  2. O2
  3. O4
  4. O5

A

MCQ: A blanket of gases surrounding planet is known as

  1. ozone
  2. temperature
  3. season
  4. atmosphere

D

MCQ: Iron rusts when it comes in contact with

  1. carbon dioxide & water
  2. oxygen & water
  3. many gases
  4. nitrogen & oxygen

B

MCQ: A reaction in which oxygen is used up for production of thermal and light energy is known as

  1. production
  2. combustion
  3. reaction
  4. respiration

B