Two Libertarian candidates for statewide office in Ohio have been tossed from the May primary ballot by the state elections chief.
Recovering Ice Cores
How scientists look at samples of ice to determine past climates/atmospheric conditions.
Technological design is a critical component of many scientific ventures. This lesson challenges students to design a device that keeps an ice core frozen for 24 hours. After watching the video, students design and test an ice storage unit that keeps the ice frozen for 24 hours. Throughout the design process student teams share and critique their plans.
Download teacher’s guide (PDF, 114K)