Is there a correlation between a country's wealth and the extent of its ecological footprint? What exactly constitutes an ecological footprint, and how does one country stack up against the rest? This is a unique lesson to incorporate...

Student develop their technology skills. In this solar system lesson, 3rd graders create a movie featuring planets that they research. Students use flip video cameras to film commercials to market their planets.

Learners react to statements about the moon, then read a news article about NASA's plans to build a permanent base on the moon. In this space science and current events lesson, the teacher introduces the article with a discussion and a...

Students create illustrated timelines of the telephone's history. In groups, they research 25-year sections beginning in 1876. Once each group has completed their portion of the timeline, they are all assembled to create one banner.

Students study the ideas behind the heliocentric theory of Copernicus. They examine about retrograde motion of the planets as they move around the sun. They study astronomers who include Ptolemy, Copernicus, and Galileo.

Students examine Kepler's Laws. They confirm Kepler's 3rd law by comparing orbital periods and mean distances for all major planets and study conic sections, qualitatively.

Students explain the observed motion of the planets. The inner ones move back-and-forth across the position of the Sun, while the outer ones usually advance in one direction, but with occasional temporary reversals known as "retrograde...

Young scholars investigate online websites on German U-boat naval warfare, conditions in the trenches and the effects of poisonous gases. They write three entries in a diary from different perspectives.