Page 122 - Science Course 2 (Book 1)
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Mo4-L3: Vocabulary Review
Direction: An analogy is a relationship between two pairs of words. An analogy can be written in the
following manner: a is to b as c is to d. For example, apple is to fruit as celery is to vegetable.
In the analogies that follow, one of the words is missing. On each line, write the term from the
word bank that correctly completes each analogy.
acid base hydronium ion indicator pH
1. is to pH as thermometer is to temperature.
2. Acid is to lemon as is to detergent.
+
3. Base is to OH–as is to H O .
3
–
4. H O + is to as OH is to hydroxide ion.
3
5. Acidity is to as distance is to centimeter.
Mo4-L3: Key Concept Organizer
Direction: Complete the diagram by writing the steps that occur when an acid dissolves in water.
acid + water (H O)
2
1. What does an acid produce when it is dissolved in water?
2. What do almost all acid molecules contain?
+
3. A hydronium ion (H O ) is
3
when an acid dissolves in water.
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