Bow Season Prep: How to Properly Apply Bowstring Wax | OutdoorHub

From learning the 6 types of bridges to engineering their own—this is hands-on STEM for ages 4–8 🌉 Today we were engineers. Engineers design, build, test, and improve. Build something that works, then make it better. Our group began class with a conversation on bridges - who has driven over one, who crosses a bridge to go to grandma’s house 🚗…then 6 were introduced through picture cards including labels. Vocabulary included: Arch - shaped like a semi-circle, or a 🌈 Bowstring Arch - no piers,

15 Different Types of Roof Trusses (with Photos)