Unit 9 (Lessons 1 and 5). Review the “Engage your brain” sections, vocabulary terms, book activities, visual summaries and lesson reviews.
Bar graphs: Review the practice and page R36 of your book. Required supplies: pen, pencil, eraser and ruler.
Vocabulary terms: conservation, contour plowing, crop rotation, energy resource, fossil fuel, material resource, natural resource, nonrenewable resource, no-till farming, reclamation, recycling, reforestation, renewable resource, stewardship, strip cropping, terracing, urban sprawl.