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Thousands of students enjoy Weather and Science Day with Steve Spangler at Coors Field April 27, 2017 in Denver. Students were entertained with Estes rockets experiments, liquid nitrogen and hot water explosions, a MLB StatCast batting demonstration with former Colorado Rockies Vinny Castilla and ending in a finale of three gas-filled balloon explosions.

Toby Swaford, representing Colorado State University, runs through a 鈥淭P Tunnel鈥� at the beginning of the Weather and Science Day with Steve Spangler at Coors Field April 27, 2017 in Denver. Students from all over the front range were entertained with Estes rockets experiments, liquid nitrogen and hot water explosions, a MLB StatCast batting demonstration with former Colorado Rockies Vinny Castilla ending with a finale of three gas-filled balloon explosions.

Colorado Rockies manager Bud Black encourages former Colorado Rockies star and current special assistant to the general manager Vinny Castilla during a MLB StatCast betting demonstration during the Weather and Science Day with Steve Spangler at Coors Field April 27, 2017 in Denver. Students from all over the front range were entertained with Estes rockets experiments, liquid nitrogen and hot water explosions, a MLB StatCast batting demonstration with former Colorado Rockies Vinny Castilla ending with a finale of three gas-filled balloon explosions.

Former Colorado Rockies star and current special assistant to the general manger Vinny Castilla acknowledges thousands of students in the stands for Weather and Science Day before a MLB StatCast batting demonstration at Coors Field April 27, 2017 in Denver.

Volunteers wade through the aftermath of a hot water into a controlled liquid nitrogen experiment during the Weather and Science Day with Steve Spangler at Coors Field April 27, 2017 in Denver. Students from all over the front range were entertained with Estes rockets experiments, liquid nitrogen and hot water explosions, a MLB StatCast batting demonstration with former Colorado Rockies Vinny Castilla ending with a finale of three gas-filled balloon explosions.

Steve Spangler covers his ears for the last of three ballon explosions, this one filled with a mix of hydrogen and gas during the Weather and Science Day with Steve Spangler at Coors Field April 27, 2017 in Denver. Students from all over the front range were entertained with Estes rockets experiments, liquid nitrogen and hot water explosions, a MLB StatCast batting demonstration with former Colorado Rockies Vinny Castilla ending with a finale of three gas-filled balloon explosions.

Adults and kids alike plug their ears for the last of three ballon explosions, this time one filled with a mix of hydrogen and gas during the Weather and Science Day with Steve Spangler at Coors Field April 27, 2017 in Denver. Students from all over the front range were entertained with Estes rockets experiments, liquid nitrogen and hot water explosions, a MLB StatCast batting demonstration with former Colorado Rockies Vinny Castilla ending with a finale of three gas-filled balloon explosions.