In this lesson, students explore the concept of “cause and effect” as it relates to the abolition of slavery in the United States in the 1800s.

Another reason is that the density of water changes with temperature. Water is most dense at 4 °C and at that temperature has a density of 1 g/cm 3. At room temperature, around 20–25 °C, the density ...

Lesson Plans. These lesson plan units were developed to work with the video-short Discovering Angel Island: The Story Behind the Poems and the Pacific Link website. There are three elementary level ...

In this lesson, students explore the realities of life after the Emancipation Proclamation and learn about courageous individuals who fought against the inequalities African Americans experienced ...