Home > Resources > Organizations Charity Helping Children With Cancer - A non-profit organization dedicated to providing assistance to families of children suffering from cancer. Online math tutoring - science homework helper - Biology Chemist - Online Tutoring School provides quality educational services to students and educators. Offers Maths and Science Tutoring for student. Help students with their homework and academic problems. Car Donation - Donate your car for charity and help those in need The Black Hawk County Democrats of Iowa - The Black Hawk County Democratic Central Committee plans events to raise money to fund itself and to raise awareness of the Democratic Party and its core values.