With spring just around the corner, children four to eight can learn about how taking care of the soil can help grow healthy, nutritious food. First, the kids will see work by artists featured in “The Value of Food,” who use soil as inspiration. Then, everyone will get their hands dirty planting seeds in mud paintings, decorating clay pots, and building soil sculptures. Cathedral Church of St. John the Divine, 1047 Amsterdam Ave. at 112th St. Feb. 20, 10 a.m.-noon. Admission is $10 per child, with an accompanying adult, at stjohndivine.org.