Each week, Mrs. Wolters offers up a new ACT challenge question. Be one of the first five students to find her in rm. 100 with the correct answer, and you could receive a candy prize. Have fun!

The answer to last week’s question:  J

Congratulations to Valentin Delgadillo, Kaitlyn Moos and Rossiel Reyes for answering correctly!

Week #10: Science

According to the chart, the thermal conductivity of rock salt measured at a temperature of 500°C would be closest to which of the following values?

A.  1.0 W/m°C

B.  2.0 W/m°C

C.  3.5 W/m°C

D.  4.0 W/m°C