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Unit 2 Revision

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  • Can you use a magnet to separate sand and water?
    Maybe
    No (sand is not magnetic)
    Yes (sand sticks to magnets)
  • Can you see gases with your eyes?
    Yes (all gases are colorful)
    No (most gases are invisible)
    Sometimes (only at night)
  • How many teaspoons of sugar dissolved in COLD water?
    3 teaspoons
    2 teaspoons
    6 teaspoons
  • Is air a solid "" liquid "" or gas?"
    Solid
    Gas
    Liquid
  • Does more sugar dissolve in hot water or cold water?
    Cold water
    They are the same
    Hot water
  • True or False: Diesel is a type of fuel.
    True
    False
  • What is a fair test?
    A test where everything is changed
    A test with no measuring
    A test where only one thing is changed
  • In the sugar experiment "" what did they measure?"
    How many teaspoons of sugar dissolved
    The size of the spoon
    The color of the water
  • Is shampoo a solid or liquid or gas?
    Solid
    Gas
    Liquid
  • In a water filter "" what layer is in the middle?
    Cotton only
    Small stones
    Sand
  • Circle the solid: water "" sand "" or natural gas?"
    Natural gas
    Sand
    Water
  • Is sugar soluble or insoluble?
    Insoluble
    Soluble
  • How many teaspoons of sugar dissolved in WARM water in the experiment?
    3 teaspoons
    2 teaspoons
    6 teaspoons
  • What should stay the same in a fair test?
    Things like the amount of water and stirring
    Everything should change
    Nothing matters
  • If you mix sand and pebbles "" what equipment separates them?"
    Filter paper
    A sieve
    A magnet
  • Is sand soluble or insoluble?
    Soluble
    Insoluble
  • What state of matter is the water in a bottle?
    Gas
    Liquid
    Solid
  • What state of matter is the air in a balloon?
    Liquid
    Gas
    Solid
  • What should you NOT do during a dissolving experiment?
    Stir the water
    Use hot water without an adult OR taste the mixture
    Measure carefully
  • What happens when you heat a liquid?
    Nothing happens
    It can turn into a gas
    It always freezes
  • Is oxygen a solid or liquid or gas?
    Gas
    Solid
    Liquid
  • What does insoluble mean?
    It does NOT dissolve in water
    It floats on water
    It dissolves easily
  • If you mix paper clips and buttons "" what equipment separates them?"
    A magnet
    A sieve
    Filter paper
  • What does a magnet separate?
    Magnetic materials from non-magnetic materials
    Sand from water
    Sugar from water
  • In the sugar experiment "" what did Marcus and Zara change?"
    The size of the cup
    The temperature of the water
    The type of sugar
  • What material is made from oil?
    Plastic
    Metal
    Wood
  • If flour does NOT dissolve "" is it soluble or insoluble?
    Insoluble
    Soluble
  • Circle the gas: aluminium "" cooking oil "" or carbon dioxide?"
    Cooking oil
    Aluminium
    Carbon dioxide
  • What is a mixture?
    A type of solid
    Only one material
    Two or more materials mixed together
  • How many teaspoons of sugar dissolved in HOT water?
    3 teaspoons
    6 teaspoons
    2 teaspoons
  • What is a natural material?
    A material found on planet Earth
    A material made in a factory
    A material made from plastic
  • What does it mean when something dissolves?
    It stays at the bottom
    It floats on top
    It breaks down and spreads through the liquid
  • What is the name for when ice turns into water?
    Freezing
    Melting
    Dissolving
  • True or False: Small things fall through sieve holes but large things stay in the sieve.
    False
    True
  • Circle the liquid: sugar "" petrol "" or oxygen?"
    Sugar
    Oxygen
    Petrol
  • What is rice - solid "" liquid "" or gas?"
    Gas
    Solid
    Liquid
  • What equipment helps separate small and large things?
    Filter
    Sieve
    Magnet
  • What is dissolving?
    When things get stuck together
    When things freeze
    When a material breaks down and spreads through liquid
  • True or False: You can separate salt and water using a sieve.
    True
    False (salt dissolves - you need evaporation)
  • What is filtering?
    Separating a solid from a liquid using filter paper
    Mixing things together
    Making things dissolve
  • What state of matter is a tree trunk?
    Solid
    Gas
    Liquid
  • What is the name for when water turns into ice?
    Boiling
    Freezing
    Melting
  • In a water filter "" what layer is at the bottom?
    Small stones or pebbles
    Cotton
    Sand
  • What happens to water when sugar dissolves in it?
    It becomes transparent
    It changes color
    It becomes cloudy
  • What is carbon dioxide - solid "" liquid "" or gas?"
    Liquid
    Solid
    Gas
  • What happens when you cool a liquid?
    It can turn into a solid
    Nothing happens
    It always boils
  • Is a brick a solid or liquid or gas?
    Gas
    Solid
    Liquid
  • What equipment do you use to separate sand from water?
    Filter paper and funnel
    Magnet
    Sieve only
  • What gas causes global warming?
    Nitrogen
    Oxygen
    Carbon dioxide
  • Name one thing that is transparent.
    Metal
    Wood
    Water (or glass "" clear plastic)
  • What is cooking oil - solid "" liquid "" or gas?"
    Solid
    Liquid
    Gas
  • Metals are made from what?
    Plastic
    Ores
    Water
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