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Chemical Reactions

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  • A special type of mixture that has a solute dissolved into a solvent...
    precipitate
    chemical reaction
    mixture
    solution
  • How do you make a solution?
    dissolve solute into a solvent
    dissolve solvent into a solute
    melt a solute into a solvent
    mix together two ore more dry materials
  • What can you do to a saturated solution to make it unsaturated?
    add more solvent
    add more solute
    dump out the solvent
    you can't make it unsaturated
  • I tested an unknown substance and corn starch with a few test liquids. The unknown reacted to the test liquids in a different way than the corn starch. What does this mean?
    The unknown IS corn starch
    You need to test with more liquids to draw a conclusion
    This doesn't tell us anything
    The unknown is NOT corn starch
  • A state of matter that flows freely and takes the shape of its container is...
    gas
    Oobleck
    liquid
    solid
  • Coach Ward put an iron nail into a glass of vinegar. After a few minutes he saw gas bubbles appear in the vinegar. Which items were the reactants in this chemical reaction?
    vinegar and iron nail
    iron nail and water
    bubbles and vinegar
    iron nail and bubbles
  • The process in which chemicals change to make one or more new substances that have different properties from the original ones
    physical change
    evaporation
    chemical reaction
    condensation
  • The words used to describe something...
    measurements
    properties
    volume
    mass
  • How much space a solid, liquid, or gas takes up
    volume
    matter
    mass
    grams
  • The state of matter that is shapeless, transparent, and expands to fill any closed container it is in is...
    liquid
    solid
    Oobleck
    gas
  • How much matter is in an object
    grams
    mass
    weight
    volume
  • How can you control the amount of gas produced in a baking soda and vinegar reaction?
    you can adjust the amount of reactants that you use
    baking soda and vinegar do not make a reaction
    you add a lot of dish detergent to the reactants
    you can adjust the amount of products that you use
  • a state of matter that holds its own shape and always takes up the same amount of space is...
    solid
    Oobleck
    liquid
    gas
  • A substance that changes color when exposed to certain substances. Scientists use this to tell if a substance is an acid or a base.
    water
    vinegar
    iodine
    pH indicator
  • What do you call the new materials that are present at the END of a chemical reaction?
    solutes
    solvents
    reactants
    products
  • When you mix up a solution and a NEW solid forms, the solid is called a...
    solution
    precipitate
    reactant
    solvent
  • When there is so much solute that it no longer dissolves into the solvent we call this...
    a mixture
    dilute
    dense
    saturated
  • Coach Ward put an iron nail into a glass of vinegar. After a few minutes he saw gas bubbles appear in the vinegar. What was the product in this chemical reaction?
    vinegar
    gas bubbles
    water
    iron nail
  • What do you call the substances that you mix together in order to create a chemical reaction?
    products
    reactants
    solutes
    solvents
  • Anything that has mass and takes up space is...
    volume
    weight
    density
    matter