Hands-on lab activities plus video provide multi-learning approach to science. Measure the pH of water samples; investigate effects of rain on plants and soils; create acid rain posters; chart the path of acid rain from source to deposition; and estimate the contribution of automobiles to the acid rain problem. Includes the videotape. Acid Rain: The Invisible Threat, Lesson Guide, and enough materials for nine lab stations. Shipped directly from the manufacturer. Not available with rush shipping. Delivery time estimated at 10-14 days or less. Gift wrap not available. Information on how to place your order by fax or by telephone. Product Number: AM8495