Monster Tracks pages 66-73 Vocabulary clues clues I looked for clues, or hints, to help me solve the problem. clues Sand-cast your own fossil clues from the past when monsters roamed and left odd tracks and dinner crumbs in the prehistoric ooze. Clues are hints that help solve a mystery or a problem. pre his tor ic prehistoric The dinosaur is a prehistoric animal. It lived before people recorded information or events. prehistoric Sand-cast your own fossil clues from the past when monsters roamed and left odd tracks and dinner crumbs in the prehistoric ooze. Prehistoric means belonging to a time before people started writing history. im print imprint The rabbit’s foot had made an imprint in the snow. You could clearly see its trail. imprint First gather some feathers, twigs, bones (fish bones are fun), seashells, stones, or small sharp rocks to imprint or embed in sand. Imprint means to mark by applying pressure. mold mold My grandmother uses a mold to make cookies the shape of stars. mold Along with this interesting assortment of objects, you’ll also need enough plaster of Paris to fill a mold, sand for shaping the mold, and a container. A mold is a hollow form that material is poured into to make a shape. shal low shallow The water in the shallow end of the pool came up to my knees. shallow A plastic-lined, shallow cardboard box works well. Shallow means not deep. tex tures textures Sandpaper and some rocks have rough textures. textures Textures and other features can be made by pressing different objects into the sand. Textures are the different looks and feel of things. in struc tions instructions If you follow the instructions, you can easily put the kite together. instructions When you have finished making the mold, mix the plaster according to the instructions on the box. Instructions are an explanation or directions.