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Search Results for gases - All Grades

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Grade 12 Respiration, Digestion, and Excretion
What is breathing?
  1. the exchange of gases in the mitochondria
  2. the exchange of gases in the lungs
  3. the exchange of gases in chloroplasts
  4. the exchange of gases in the mouth
Grade 9 Fluid Mechanics
Bernoulli's principle applies to                         .
  1. gases only
  2. liquids only
  3. both gases and liquids
  4. neither gases or liquids
Grade 9 Heat Transfer
Convection will most likely occur through
  1. solids and liquids
  2. gases only
  3. liquids and gases
Grade 5 Biogeochemical Cycles
What are greenhouse gases?
  1. Gases produced by plants in a greenhouse.
  2. Gases that trap heat in the atmosphere.
  3. Gases that cool the earth's temperature.
  4. Gases that are used to cook food.
Grade 5 Periodic Table and Elements
College Matter
Which of the following correctly describes diffusion?
  1. The movement of gases into an area of higher pressure, always
  2. The movement of gases into a vacuum
  3. The mixing of gases
  4. Both (a) and (b)
Grade 6 Heat Transfer
Convection takes place in
  1. solids only
  2. gases only
  3. liquids only
  4. gases and liquids
Grade 6 Matter
Gases can flow.
  1. True
  2. False
Grade 10 Periodic Table and Elements
Which of these are noble gases?
  1. He, F, Kr, Ar
  2. Ar, Br, Xe, Rn
  3. Br, F, Ca, He
  4. He, Ar, Ne, Xe
Grade 10 Matter
Which of the following correctly describes an ideal gas, according to Kinetic Molecular Theory?
  1. Gases exert forces on each other
  2. Gases move in a circular way
  3. Gases' average kinetic energy is directly proportional to temperature
  4. Gases have small spaces separating them
Grade 3 Properties of Matter
Gases have no mass.
  1. True
  2. False
Grade 6 Properties of Matter
Grade 4 Atmosphere
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