A science experiment which investigates rolling friction and the properties of various materials and shapes.
摩擦是一种力量。当一个物体沿特定方向向另一个对象滑动时,摩擦会在对象上作用以减速或阻止其滑动。
不同的材料and shapes can affect the strength of the friction force.
这个物理科学实验使学生可以调查材料,形状及其与滚动力的关系friction。
学生遵循scientific method进行课堂实验,然后完成science investigation worksheetsprovided.
0评论
Write a review to help other teachers and parents like yourself. If you'd like to request a change to this resource, or report an error, select the corresponding tab above.