Curated OER
Lines, Segments, and Rays
Fifth graders use their arm, toothpicks, and marshmallows to create lines, segments, and rays. In this lines, segments, and rays lesson plan, 5th graders learn how these appear on a plane.
Curated OER
What is Matter?
Young scholars investigate what matter is and how it changes states. For this physical properties lesson, students examine the vocabulary database and identify the characteristics of the three phases of matter. Young scholars perform a...