Students will improve knowledge retention through experiential learning. Wide brushes Procedure - Plant Fossil Impression on Tile 1. Begin by showing a sample or an illustration of a plant fossil. Give each student a tile, acrylic paints and a piece of fern to be cut to fit the tile size. Next, have students paint their fern with a wide brush and dab off excess paint on a paper towel.
Students then place the fern, paint side down, on the tile and cover it with a tissue.
Next, they press down on the tissue with their fingers to create the impression of the fern. Finally, to keep the imprint from rubbing off, spray a flat fixative on and allow to dry. Plaster Procedure - Dinosaur Molds and Casts 1. Fill each pan halfway with sand, mist the top layer with water. If the sand is very fine coat the dinosaurs with cooking spray.