They observe changes that occur over time, explore and describe the motion of these objects, did attempt to cause change in their motion. If no one guesses correctly, the teacher adds three more items to the set. This continues until the sorting rule is identified. Repeat the activity using different properties for classification. Provide each student with a lump of bread dough.
Students form their dough into shapes and observe the dough rising over time.
The teacher bakes the shapes. Students set up a variety of ramps to investigate how objects move. The teacher provides a variety of objects, such as cans, blocks, balls, paper tubes, or bottles. Each containing different amounts of rice, sand, or water. Students predict how the objects will move down the ramp.