Curated OER
Making and Using a Hydrometer
Pupils build a hydrometer to measure the densities of fresh and salt water samples. They record the water temperature and density and use the temperature, density, and salinity conversion graph to locate the salinity. Finally, students...
Curated OER
How Much Do I Know About Water?
Sixth graders explore ways to analyze the properties of water and examine the chemistry of water. In this water lesson students work in groups and complete several activities.
Curated OER
Who Has Denser Fur?
In this mathematics learning exercise, students 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.
Curated OER
Activity #16 Dancing Spagehetti
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...