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Grade 6 Science MCQs

Grade 6 Science MCQ PDF - Chapter

Air and Atmosphere Multiple Choice Questions and Answers PDF p. 9

Practice Air and atmosphere multiple choice questions and answers, air and atmosphere quiz answers PDF to learn grade 6 science test 9 for online courses. The Atmosphere MCQs, air and atmosphere quiz questions and answers for online elementary school classes. "Air and Atmosphere " Book PDF: the atmosphere, gas properties and air, air and processes test prep for virtual online school.

"There is no boundary between atmosphere and space, so the density of atmosphere decreases with" Multiple Choice Questions (MCQ) on air and atmosphere with choices increasing altitude, same height, constant height, and decreasing height for online elementary school classes. Learn the atmosphere quiz questions for school certificate programs for school certificate.

MCQs on Air and Atmosphere Quiz

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

same height
increasing altitude
constant height
decreasing height

MCQ: The chemical formula of ozone is

O3
O2
O4
O5

MCQ: A blanket of gases surrounding the planet is known as

ozone
temperature
season
atmosphere

MCQ: Iron rusts when it comes in contact with

carbon dioxide & water
oxygen & water
many gases
nitrogen & oxygen

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

production
combustion
reaction
respiration