Gary's Sand Journal

Gary's Sand Journal begins with Gary Griggs, a shoreline scientist, sharing how he uses the properties of sand as evidence to determine the sand's origin and composition. The second half of the book consists of pages of a notebook like the one Gary uses to record his observations of sand, including notes about inferences he has made about the sand samples. The book ends with a picture of mystery sand and a challenge for the reader to use the evidence in the picture to make inferences about the mystery sand's origin and composition. This book models how specific observable properties can be used to make inferences about the origin and composition of sand and provides students with opportunities to make inferences based on these observable characteristics.