Twist and turn

Encourage the children to explore twisting and turning movements through these stimulating activities, says Jean Evans In a spin * Explore how water wheels turn when water is poured on to them. Is it possible to make the wheels turn faster or more slowly? How can the children stop the wheel from turning? Try pouring mixtures such as cornflour and water on to the wheels to see if they still turn. Experiment with sand wheels. Do they turn more easily when...