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  • Elementary School - Grades 4-6
    P=Project   E=Experiment
    Test the effects of different acids, toilet bowl cleaner (hydrochloric acid), lemon juice (citric acid), and vinegar (acetic acid), on different materials. [P]
    Effects of acids & bases on the tensile strength of fibres [E]
    What affects mild steel more, acids (vinegar) or bases (ammonia)? [P]
    Determine if over-the-counter antacids are actually basic. [E]
    What is the pH of rain in your area? [E]
    Record the acidity (pH level) of different fruit juices. [P]
    Make your own cabbage juice pH indicator [E] [P]
    Water Hardness & Water pH
    Interdisciplinary Topic: Acids & Bases
    What is pH?
    What is Acid Rain?
    Middle School - Grades 7-9
    P=Project   E=Experiment
    Does Acid Make Steel Rust Faster? [E]
    Using Pennies to Test How pH Affects Copper Corrosion [E]
    Get More Hydrogen from Water - Factors that affect an electrolyte's effectiveness: the pH of the solution or ion concentration. [E]
    Determine if water or vinegar (water with acetic acid) is better for testing lead content in household objects. [E]
    How Acids Affect the Rate of Corrosion. [E]
    Make your own pH indicator paper, and use it to measure the acidity and alkanity of various solutions from around your house. [E]
    How Fast Does an Alka-Seltzer Tablet Make Gas? [E]
    Determine which citrus fruit contains the most ascorbic acid through iodine titration. [E]
    See which of several substances has the most acidity by measuring CO(2) production when mixed with baking soda. [E]
    What Is the Effect of pH Level on the Darkness of Dyed Fabric? [E]
    See how different acids affect a pennies mass [E]
    Determining if pH Increases as Standing Rainwater Evaporates [E]
    Determine the optimum pH for dyeing 100% cotton cellulose fabric using fiber reactive dyes. [E]
    Which allergy nasal decongestant dissolved the fastest in water and simulated stomach acid? [P]
    The factors which affect the reaction of acid rain on limestone [E]
    Water Hardness & Water pH
    Interdisciplinary Topic: Acids & Bases
    What is pH?
    What is Acid Rain?
    High School - Grades 10-12
    P=Project   E=Experiment
    Measure the change in pH of two salt solutions, connected by a salt bridge, as a current is passed through them. [E]
    Measuring the Amount of Acid in Vinegar by Titration with an Indicator Solution [E]
    Determine how different metals react with hydrochloric acid [E]
    The effect of different pH levels on coloring agents in the statis [P]
    The measurement of the acidity of soft drinks by pH level and metal erosion [E] [E]
    What factors affect the rate at which hydrochloric acid reacts with sodium thiosulphate? [E]
    Water Hardness & Water pH
    Interdisciplinary Topic: Acids & Bases
    What is pH?
    What is Acid Rain?
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    Last updated: June 2013
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