1. Kelvin scale

sets the freezing point of water at 273.15 K, and the boiling point is 373.15 K. With this scale, the degree sign is not used.

2. absolute zero

the zero point on the Kelvin scale (0K), which is equal to -273.15 degrees Celsius

3. density

an intensive property that shows the ratio of the mass of an object to its volume

4. Experiments show that the volume of most substances increases as the temperature increases.

What happens to the density of a substance as its temperature increases?

5. conversion factor

a ratio of equivalent measurements

6. dimensional analysis

a way to analyze and solve problems using the units, or dimensions, of the measurements

7. exponent

In scientific notation, the value of the ______________ equals the number of places the decimal has been moved to the right.

8. accuracy

The closeness of a dart to the bull's-eye corresponds to the degree of ________________.

9. precision

The closeness of several darts to one another corresponds to the degree of _______________.

10. percent error formula

Percent error = error/accepted value X 100%