Severe Thunderstorm Warning

until THU 9:00 PM CDT, Llano County, Llano County

Severe Thunderstorm Watch

until THU 11:00 PM CDT, Bell County, Bell County

Severe Thunderstorm Watch

from THU 5:13 PM CDT until THU 11:00 PM CDT, Williamson County, Blanco County, Gillespie County, Burnet County, Llano County, Blanco County, Burnet County, Gillespie County, Llano County, Williamson County

Mad Science: Physical and chemical changes

By Danielle Saar

Published February 7, 2018 12:15pm CST

Andrea Cook with Mad Science shows off some chemistry experiments.