This video describes the tilt of the Earth's axis being responsible for the seasons and not the distance from the Sun during Earth's orbit.
Plants take in sunlight, carbon dioxide, and water and produce their own food, glucose (sugar) and oxygen.
Water flows between "stores". Precipitation, accumulation evaporation, condensation are discussed. Vocabulary: percolates, runoff, bedrock, aquifers, ground water, surface water, vapor, humidity, transpiration, respiration, and perspiration.