When the plastic is moved near the desk, electrons in the desk are repelled by the negatively charged plastic. This leaves an area of positive charge in the desk near the plastic. The negative plastic ...

Use these lesson plans to help your students understand ... Transect Investigation: Students subdivide an area into transects and perform a scientific study, determining the N/S and E/W directions ...

Although this lesson plan was developed primarily for grades ... or play audio featured in the Bird Songs area. The short-answer questions could then be distributed for completion during viewing ...

Accompanying Lesson Plan: Lesson 3.2: Finding Volume—The Water Displacement Method The chart shows that atomic size and mass for the first 20 elements in the periodic table. The size of the atoms and ...