WONDER #817: How Fast Can You Zip Through the Air?
Question 1 of 3
Zip lines feature a pulley system that helps to reduce what force?
Question 2 of 3
Wildlife biologists use zip lines to help study the forest what?
Question 3 of 3
Some zip lines can propel you through the air at speeds of up to how many miles per hour?
Check your answers online at https://wonderopolis.org/wonder/How-Fast-Can-You-Zip-Through-the-Air.