In this mathematics instructional activity, learners identify and solve who has the denser fur, either the Sumatran tiger or the sea otter. They calculate the number of hairs for each per inch or per meters and compare them.

Students experiment with floating the spaghetti, the gas functions like a life preserver. Pupils comprehend that a person is slightly more dense than water. They comprehend that a life preservers are made of low-density materials. The...

Become an engineer, and design a submarine that moves in the water like a real submarine. Try making it sink, float, and hover in the water.