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Science investigations answer a question. The answer is often in the form of a "the, the" or "er, er" statement.
Example #1:
*Question: How does the type of material in a floor covering affect the soundproofing of a room?
*Answer: The softer the covering, the quieter the room
Example #2:
*Question: How does temperature affect how quickly ice melts?
*Answer: The lower the temperature, the slower ice melts.
Scientists make predictions (hypothesize), change variables, measure, observe, and make conclusions.

Test your knowledge of investigations: