Echolocation Experimentation: Can You Hear It? - Activity

Materials List: Echolocation Experimentation:
Can You Hear It?

scissors, tape and marker, for the teacher
1 shoebox per group
6 different textured fabrics cut into coaster-size pieces for each group; example materials: fur, sandpaper, cloth, wood, plastic tiles
6 wooden blocks or other small, flat objects of different heights
6 marbles or other small balls per group
(optional) paper cups or small containers, to hold the marbles for each group
paper and pencils for each student