Through NSTA, you'll find leading resources for excellence in teaching and learning and experience growth through robust professional development. Plus you'll meet colleagues across all science disciplines, all grade bands and teaching stages, from the newest teacher to the veteran administrator, who share a passion for science education.
Give your school's science instruction the advantage of a powerful national network.
The purpose of the assessment probe, in this chapter, is to elicit children’s ideas about how light interacts with an object to form a shadow. The probe is designed to reveal children’s ideas about the size of a shadow in relation to the distance from a light source.
$3.49 - Nonmembers