Curated OER
Which Sand Contains The Most Salt?
Students investigate the salinity levels of sand samples taken from several different sources. They conduct tests and observations to measure the current salt levels. They develop a hypothesis from the experiment to determine the factors...
Curated OER
Screening River Rocks
First graders explore river rocks. Searching with screens and containers, 1st graders identify the different kinds and sizes of rocks. They separate rocks into containers according to pebbles, gravel and sand. Students write about their...
Curated OER
Native American Sand Painting
Children write Navajo journals pretending to be a Native American for four days. Student then begin their art project. After lightly penciling in their sketch of the land and environment of the Navajo, the students receive brown...
Curated OER
How Much Water Will The Desert Hold?
Students examine the characteristics of the desert environment. They experiment with a container which they fill with sand and measure the amount of water that can be absorbed in the container. They compare this with the conditions in...
Curated OER
Junior Engineering Retaining Walls
Students name the properties of sand as related to the properties and the building of retaining walls. They build a retaining wall and state how retaining walls are used.