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Chemical Reactions

Quiz by Renee Ganley

Grade 6-8
Science
Next Generation Science Standards

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32 questions
Show answers
  • Q1
    What is the law of conservation of matter?
    a change in the way a substance looks
    matter can't be created or destroyed, but it can change forms
    matter can be destroyed
    law that says you matter
    45s
  • Q2
    What is a chemical change?
    the thing you end with in a chemical reaction
    the thing you start with in a chemical reaction
    a change that makes a new substance with different properties from the original
    change in the look of a substance
    45s
  • Q3
    What is a reactant?
    the things you start with in a chemical reaction
    the things you end with in a chemical reaction
    a change in the color of a substance
    something that makes someone mad
    45s
  • Q4
    What side is the reactant on in a chemical equation?
    top of the arrow
    bottom of the arrow
    right of the arrow
    left of the arrow
    45s
  • Q5
    What is the product in a chemical reaction?
    something you buy at the store
    The things you end with in a chemical reaction
    a change that makes new a substance with different properties
    coconut oil freezes in the freezer
    45s
  • Q6
    What side of the chemical equation is the product on?
    right
    bottom
    left
    top
    30s
  • Q7
    What is a physical change?
    things that you start with in a chemical reaction
    change that makes a new substance with different properties
    things that you end with in a chemical reaction
    a change that does not make a new substance but just changes the look
    45s
  • Q8
    What is a chemical equation?
    matter cannot be created or destroyed
    uses formulas and symbols to show what happens in a chemical reaction
    a change in a substance that makes a whole new substance
    the little number after the element symbol
    45s
  • Q9
    What is a coefficient?
    The big number in front of the formula that tells how many molecules of a substance are present
    the small number of the bottom left that tells the number of atoms present
    uses elements symbols to tell you which elements and how many atoms of each
    the things you start with in a chemical reaction
    45s
  • Q10
    What is a subscript?
    what you start with in a chemical reaction
    The little number after an element symbol that tells how many atoms of the element there are
    the big number in front of a formula that tells how many molecules of a substance there are
    change to a substance that makes a whole new substance with different properties
    45s
  • Q11
    What is a chemical formula?
    uses element symbols to tell you which elements and how many of each are in the substance
    the little number after the element symbol
    what you start with in a chemical reaction
    a change that does not make a new substance
    45s
  • Q12
    What is this an example of: 4 He
    chemical reaction
    coefficient
    product
    subscript
    30s
  • Q13
    What is this an example of: water freezing in the freezer
    product
    physical change
    chemical change
    chemical reaction
    30s
  • Q14
    What is this an example of:wood logs burning in a fire
    chemical change
    chemical reaction
    physical change
    product
    30s
  • Q15
    What is the 2 in chemical formula an example of?
    Question Image
    chemical reaction
    subscript
    product
    coefficient
    30s

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