Discussion of the section on thermal expansion

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Q1: Give five examples of thermal expansion in everyday life. Hint: thermal expansion effects are almost always too small to see, but sometimes there are audible effects. Please give at least a one-sentence description of each example; be clear about what is expanding in your examples.

Q2: Oatmeal boils over in the microwave.
This is due to thermal expansion of the oatmeal. 		True False
Q3: Warm water floats on colder water.
This is due to thermal expansion . 		True False
Q4: Ice crackles when you drop it into soda.
This is due to thermal expansion. 		True False
Q5: The lid pops off of the milk bottle during breakfast.
This is due to thermal expansion. 		True False
Q6: Freezing a bottle of juice causes it to break.
This is due to thermal expansion. 		True False
Q7: A hot cookie sheet warps when you put it in the sink.
This is due to thermal expansion. 		True False
Q8: Macaroni swells when it is cooked.
This is due to thermal expansion. 		True False
Q9: Bread rising is an example of thermal expansion. True False
Q10: When you open a bottle of soda it foams over.
This is due to thermal expansion. 		True False
Q11: A seed sprouting is an example of thermal expansion. True False
Q12: A glass jar breaks when you pour hot soup into it.
This is due to thermal expansion. 		True False

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