After reading a Noah’s Ark story, children can practice making their own boat with this sink and float science activity.
To make the boats, you need to use modeling clay. Earthen clay or play dough will not work in water because it will dissolve and make a mess. We used our sensory table full of water, but you could also fill some small tubs or plastic shoeboxes with water for this activity.
Give each child a ball of clay and have them drop it into a tub of water to see if it floats or sinks. Next, have them form a boat from the clay and try to make a boat that will float. Some children may need help. After they have a boat that floats, let them try putting mini animal toys (such as bear counters) in the boat to see how many the boat will hold without sinking.