Curated OER
Quantitative Problems (Mass)
In this chemistry worksheet, students identify how much aluminum and hydrochloric acid is needed to produced a certain amount of hydrogen gas. Then they identify how many grams of oxygen are used.
Other
New Brunswick Waste Management /"Backyard Magic"
Comprehensive description of the environmental benefits of composting solid waste. Complete directions for composting, detailed description of composting chemistry, suggestions for applications of humus, question and answer page,...
Illustrative Mathematics
Illustrative Mathematics: 3.md Finding the Area of Polygons
The purpose of this instructional task is for students to find the area of figures that can be decomposed and then recomposed into rectangles. Aligns with 3.MD.C.6. CCSS.Math.Content.3.MD.C.7.d Recognize area as additive.
Texas A&M University
Texas A&m University: Composting for Kids
Slide show with script from the Texas A&M University describing how to layer a compost bin, and how to make a trench compost or pocket compost. Gives nitrogen and carbon content examples of compostable materials. Explains gardening...