Help Pet and Cat fill the bathtub with water by picking a container and pouring water into the tub. You will have to estimate how many containers it will take to fill the tub with water and then see if you are correct.

Water is a valuable resource many often take for granted. This exercise however gives you the opportunity to learn about and discover how greywater (water that has been used for washing or bathing) can be used for watering ornamental...