Middle schoolers become aware of the effects of tides on the Earth's rotation. In this tides lesson plan, students calculate the number of seconds lost over various periods of time.

Teams of learners integrate reading, writing, math, social studies, and science in this simple, yet effective lesson. They work in groups in order to solve a ten-step problem which requires internet research, the use of a calculator, and...

In this math and social studies worksheet, students recall the poem "Thirty days hath September..." Students solve 4 time and space-related problems using that calendar rhyme.

Third graders draw what they believe is in space on a dry erase board. In groups, they are given a beaker half filled with water and they add a teaspoon of oil, observing the different layers that form. To end the lesson, they identify...