Tug of War by Mattie & Sophie

We head to camp every summer. We love to canoe, hike and best of all, play tug o'war. It's a big deal at our camp! But we don't always win. So we decided to use science to figure out a new strategy. We wanted to know: When we form our tug o'war team, should we use a few big kids, or use lots of smaller kids? more...