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Search Results for concentration - All Grades

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Grade 7 Fill in the Blank Vocabulary
Grade 10 Kinetics and Equilibrium
Which statement correctly describes the concentrations of reactants and products at equilibrium?
  1. The concentrations of reactants and products are equal
  2. The concentrations of the reactants are greater
  3. The concentrations of the products are greater
  4. The concentrations are constant
Grade 9 Cell Structure and Function
Diffusion moves molecules
  1. from areas of high concentration to areas of low concentration.
  2. from areas of low concentration to areas of high concentration.
  3. from areas of low concentration to areas of the same concentration.
  4. from areas of high concentration to areas of even higher concentration.
Grade 10 Kinetics and Equilibrium
Which statement correctly describes what occurs BEFORE equilibrium is established in a chemical reaction?
  1. The concentrations of both the products and the reactants decrease
  2. The concentrations of both the products and the reactants increase
  3. The concentrations of the products increase, and the concentrations of the reactants decrease
  4. The concentrations of the products decrease, and the concentrations of the reactants increase
Graduate Cell Structure and Function
Movement down a concentration gradient means that the substance is moving                                                                                 .
  1. from an area of high concentration to an area of low concentration
  2. from an area of low concentration to an area of high concentration
  3. from areas of either high or low concentration to an area of equal concentration
  4. from an area of equal concentration to an area of high concentration
Grade 9 Cell Structure and Function
Diffusion refers to the process in which molecules move from
  1. an area of low concentration to an area of high concentration.
  2. an area of high concentration to an area of low concentration.
  3. an area of equilibrium to an area of high concentration.
  4. all of the above
Grade 9 Cell Structure and Function
In passive transport, substances move
  1. using energy.
  2. up the concentration gradient.
  3. from areas of high concentration to areas of low concentration.
  4. from areas of low concentration to areas of high concentration.
Grade 10 Atmosphere
Ozone is concentrated in the                .
  1. troposphere
  2. ionosphere
  3. mesosphere
  4. stratosphere
Grade 7 Bonds and Mixing
Grade 5 Defining Words
Concentration means to:
  1. pay close attention
  2. play a card game
  3. give all the details in your story
Grade 10 Atmosphere
Ozone is concentrated in the
  1. troposphere.
  2. mesosphere.
  3. ionosphere.
  4. stratosphere.
Grade 10 Cell Structure and Function
Grade 9 Cell Structure and Function
Grade 6 Cell Structure and Function
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