Thank you to Wondrium for sponsoring today's video! Signup for your FREE trial to Wondrium here: http://ow.ly/nseu50Mf3gn Welcome back to 2 Truths & Trash, the series that tests your internet gullibility and shows you cool science experiments along the way. Let me know if you enjoyed the prediction round. I'll be experiment with more round types in the future. Here's a list of questions answered in this video: 1. Does a helium balloon move toward the front of the car instead of the back of the car when you accelerate forward? 2. Can you make hydrophobic sand by painting the sand with oil-based paint? 3. Can you write a secret message with lemon juice that can be revealed with a flame? 4. Does a smaller balloon or larger balloon win a race across the room? 5. Which way does a spool rotate based on the direction you pull from? 6. Does hot water and cold water mix when the hot water is placed on top? 7. Does a Stirling engine work with ice too? 8. Does a tea bag fly away when lit on fire? 8. Can you quickly reload a Pez dispenser by placing the unwrapped candy in the bottom?