How could you use a model to explain the following concept to a fourth-grader? Describe how each model would be constructed or used. Q: Most plants absorb water through their roots. The water travels through the plant and is used by the plant's cells. Any excess water evaporates through tiny holes in the surface of the plant's leaves.
http://interactivesites.weebly.com/clouds--water-cycle.html Play these games or try to create a life like model based on the games (I don't own any of this copyrighted material to the link above)