In this grammar activity, students use the correct present -tense form of the verb in parentheses that makes twenty sentences grammatically correct.

In this grammar instructional activity, students choose and underline the appropriate present-tense form of the verb in parentheses in twenty sentences that makes each one grammatically correct.

This slide presentation provides an in-depth look at the Indian, Chinese and Mediterranean world's development from river valleys into classic civilizations. Early river valleys and classic civilizations are described on a broad spectrum...

This interactive site examines questions about early human migration to North America offers grade-level appropriate information for primary, elementary, middle, secondary and post-secondary levels. Teacher resources, simulations, video,...

This site from Penn State gives a brief overview of all the ancient cultures of the Southwest, but gives emphasis to the Anasazi, their dwellings with a picture of an Anasazi pithouse.