Through Aug. 21. Beat the heat and give your brain a boost: “Just Add Water” is back at the Children’s Museum of Denver. The outdoor exhibit is all about H2O and the many ways it moves and travels: splashing, sprinkling, shooting and swirling. It’s a hands-on experience, so prepare the kids to get a little wet along the way — and it couldn’t hurt to have a towel handy. 9 a.m.-4 p.m. Monday through Friday (open until 7:30 p.m. Wednesdays), 10 a.m.-5 p.m. Saturday and Sunday. Children’s Museum of Denver, 2121 Children’s Museum Drive; 303-433-7444. $9 for guests ages 2-59, $7 for seniors and 1-year-olds. mychildsmuseum.org. Young People’s Concerts “The Animated Orchestra.” On Saturday, June 29 10 a.m. & 1 p.m. at the Chautauqua Auditorium. The Ani...