What do you have in common with a fruit fly? About 60 percent of your DNA. The resource, divided into two units, is intended for grades four to eight and another for high schoolers. Both units include eight lessons covering the...

Students examine tree-ring dating and discuss the lack of water the settlers in Jamestown faced. They create paper tree rings, simulate rain patterns, and describe the history of construction paper tree sequences.

Students describe stellar objects using terms such as stars, planets, satellites, orbits and light. In this sun and stars unit, students research stellar objects through seven individual lessons discovering star characteristics, how...

Students dissect an apple to model the percentage of land on Earth that can be used as a food-producing resource. They use fractions to determine the habitable and agriculture area of the apple.

Fifth graders convert kilometers to miles and calculate the range that historical aircraft can travel. They choose destinations by distance that can be traveled without refueling.

Learners research, predict and offer solutions regarding factors that affect current or future food crops could result in economic, political or social changes.