Learners investigate the concept of groundwater that includes aquifers, groundwater flow, and the water table. They participate in activities using a flow demonstration model. Its use engages all types of learners because of its hands on...

Ninth graders explore poems, various poetic devices, and identify imagery used in poetry. In groups, they examine poetic devices, define them, paraphrase and summarize poetry. Students study poetry by Robert Frost as they explore...

Students research the life of an important person in the Civil War on each side who had basically the same responsibilities. They create a timeline based on their lives and present their findings to the class.

A guided lesson explaining how to add and subtract numbers expressing the answer with the appropriate number of significant digits.

This lesson will demonstrate how to add/subtract measurements and report the result to the correct number of significant digits. It is 2 of 3 in the series titled "Adding and Subtracting Using Significant Figures."

[Free Registration/Login Required] Students will learn how to define significant figures, how to change measurements into scientific notation and how to add, subtract and multiply with significant figures.