Unit 1 - Part 1: Why do some clothes stick together when they come out of the dryer?

Unit 1 - Part 2: Why do some clothes stick together when they come out of the dryer?

Unit 2 - Part 1: How does a small spark trigger a huge explosion?

Unit 2 - Part 2: How does a small spark trigger a huge explosion? 

Unit 3: What powers a hurricane?

Unit 4: Why is a temperature of 107 degrees deadly?