Young scholars investigate conservation laws using a potato launcher. In this physics instructional activity, students measure angles, time and distance of the potato. They discuss applications of experiments like this.

Students confirm the law of conservation of matter by weighing chewing gum before and after it is chewed.

In this math/science instructional activity, students find the balance point of a variety of objects, and complete ten problems. Students look at sketches of objects and calculate the balance point, and also use meter sticks and weights....