Materials

■ 75 mL light-colored sand

■ 75 mL dark-colored sand

■ 1 100 mL graduated cylinder

■ Celsius thermometers, alcohol filled (2)

■ heat-protective gloves

■ stopwatch or clock

■ ring stand or lamp support

■ clear-plastic cup

Background

1. What does the abbreviation SI stand for?

2. List the seven SI base units.

i7AniiA Measuring Temperature

1. In your lab report, prepare a data table similar to Table A, above right.

2. Using a graduated cylinder, measure 75 mL of light-colored sand and pour it into one of the small plastic cups. Repeat this procedure with the dark-colored sand and another plastic cup.

3. Level the sand by placing the cup on your desk and sliding the cup back and forth.

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