___________
Science
Diffusion

Starter quiz

  • Who is correct?
    • Aisha: "Only liquids are made up of particles."
      Aisha: "Only liquids are made up of particles."
    • Izzy: "Only gasses are made up of particles."
      Izzy: "Only gasses are made up of particles."
    • Lucas: "Only liquids and gasses are made up of particles."
      Lucas: "Only liquids and gasses are made up of particles."
    • Sam: "Solids, liquids and gasses are made up of particles."
      Sam: "Solids, liquids and gasses are made up of particles."  ✓
  • The particles that make up a liquid are ...
    • fixed in position.
    • constantly moving from side to side.
    • constantly moving in random directions.  ✓
  • Match each scientific term to its correct definition.
    • concentration gradient
      ⇔
      different concentrations of particles in one area and another ✓
    • net movement
      ⇔
      the overall movement of particles from one area to another ✓
    • diffusion
      ⇔
      the net movement of particles down a concentration gradient ✓
  • Which statement is true?
    Which statement is true?
    • There is a higher concentration in area A than area B.  ✓
    • There is a higher concentration in area B than area A.
    • The concentration is the same in area A and area B.
  • In which direction will there be net movement of particles?
    In which direction will there be net movement of particles?
    • net movement from area A to area B  ✓
    • net movement from area B to area A
    • net movement in both directions
    • no net movement
  • In which direction will particles move along the concentration gradient?
    In which direction will particles move along the concentration gradient?
    • only from area A to area B
    • only from area B to area A
    • in both directions  ✓
    • in neither direction
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