Black Girls Move Physical Activity and Improving Dietary Intake Among Black Adolescent Daughters

Inclusion Criteria for daughters are: * English speaking; * Black; * grade 9 or 10; * daily access to the internet outside of school and/or work through an iOS or android smart phone, tablet, or personal computer; * either high-normal weight (between ≥50th and \<85th percentile for age and gender) or overweight (between ≥85th and \<95th percentile for age and gender) as the purpose of this study is weight maintenance and obesity prevention in at-risk daughters rather than obesity treatment; 98 and * have either a poor diet, (defined as consuming \<1 vegetable or \<1 fruit per day) 99 or inadequate PA (defined as \< 60 minutes per day, 7 days per week). 99,100 Inclusion criteria for mothers are: * English-speaking; * Black; * co-residing biological mother or mother-figure and legal guardian of the participating daughter; * the person primarily responsible for meals in the household; and * access to the internet through an iOS or android smart phone, tablet or personal computer. In a longitudinal study of 480 adults, 84% of adults with obesity were adolescents with high normal weight status (≥50th and \<85th percentile). National data on cell phone ownership show that 81% of Black students and 68% of Black parents own a smart phone Exclusion Criteria: The exclusion criteria for both daughters and mothers includes: * having conditions/procedures that prevent the oral consumption of foods (e.g., gastric feeding tubes); * presence of physical limitations that would preclude participation in the PA activity components of the intervention; * altered dietary intake (e.g., pregnancy, eating or metabolic disorders except for type 1 or type 2 diabetes); and * at baseline physical assessment, participants screened for uncontrolled blood pressure (systolic \> 130, diastolic \>80 for daughters; and systolic \>160, diastolic \>100 for mothers) will be eligible only with a healthcare provider release. * participants with diagnosed type 1 or 2 diabetes will be eligible for participation only with a healthcare provider release. * mothers will be screened for cardiovascular disease and musculoskeletal risk factors with the 7-item Physical Activity Readiness Questionnaire. Mothers that answer 'yes' to any item on the Physical Activity Readiness Questionnaire will be eligible only with a healthcare provider release. Daughters or mothers who are asked to provide healthcare provider release will be referred to the Chicago Department of Public Health if they do not have a primary care provider. To be eligible to participate in either condition, both the daughter and her mother must be willing and eligible to participate in the study.