First watch a short mpg video where a lavatory flushes, a kettle is filled with water, washing up and brushing teeth, a baby in a bath, a washing machine, a car wash, a boy waters plants, a man drinks water, so do cows, fish in a tank, ducks and a dog swim in a lake, a yacht on the ocean and a boy fishing, holiday makers enjoying the sea. Then use the activity guide to find suggested investigations to increase children's understanding and a discussion of both the key ideas and concepts and child