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Grade 5 Revision

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  • If we mix salt and water, we form saltwater. Which is the solvent?
    Water
  • Solutes dissolve faster when stirred.
    False
    True
  • The amount of matter in an object is called ...
    Mass
  • Which of these methods is used to separate a mixture of an insoluble solid and a liquid?
    Decanting
    Magnetism
    Sieving
    Filtering
  • How can the substances in a solution be separated?
    Through Evaporation
  • Where will you weigh more?
    Moon
    Jupiter
    Earth
  • How can a suspension of two liquids be separated?
    Through Decanting
  • What method in separating mixtures is shown?
    Winnowing
  • Bigger grains have more particles.
    True
    False
  • Which of these methods is used to separate a mixture of 2 insoluble liquids.
    Filtering
    Decanting
    Sieving
    Magnetism
  • Is this a Reversible or a Irreversible Change?
    Reversible
  • If we mix salt and water, we form saltwater. Which is the solute?
    Salt
  • Sand and Flour do not dissolve in water. They are called...
    Soluble Substances
    Insoluble Substances
  • Is this a Reversible or a Irreversible Change?
    Irreversible
  • Solids with smaller grains dissolve faster when mixed with a solvent compared to solids with bigger grains.
    True
    False
  • How can a suspension of an insoluble solid and a liquid be separated?
    Through Filtering
  • We measure Mass in Newtons.
    False
    True
  • When an insoluble substance is mixed with water, they form a...
    Suspension
  • Solutes dissolve faster in...
    Cold water
    Hot water
  • Mass and weight are the same.
    False
    True
  • Which of these methods is used to separate a mixture of Iron filings and Sand?
    Picking and Sorting
    Decanting
    Magnetism
    Filtering
  • What happens to your mass when you move to the moon or other planets?
    Remains the same.
    Gets smaller.
    Gets bigger.
  • Salt and Sugar dissolves when mix with water. They are called...
    Insoluble Substances
    Soluble Substances
  • The particles of an insoluble substance can fit in between the particles of the solvent.
    True
    False
  • Is this a Reversible or a Irreversible Change?
    Reversible (Melting)
  • Which of these methods is used to separate a mixture of 2 solids with different sizes?
    Sieving
    Magnetism
    Filtering
    Decanting
  • What is the weight of an object whose mass is 5 kg on Earth? (Earth's Gravity = 10 m/s2)
    50 N
  • Substances that can be dissolved in a liquid are called ...
    Soluble
    Insoluble
  • Which of these is soluble?
    Oil
    Salt
    Saw dust
  • Which of these is insoluble?
    Sugar
    Salt
    Black Peppercorn
  • When a soluble substance is mixed with water, they form a...
    Solution
  • Bigger grains contain more particles.
    True
    False
  • Is this a Reversible or a Irreversible Change?
    Irreversible
  • Which if the correct formula in converting mass to weight?
    Weight = mass / gravity
    Weight = mass x gravity
    Weight = mass + gravity
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