Launch a lesson that's sure to capture middle schoolers' interest! Exploration enthusiasts examine the planets of our solar system using an activity from PBS's Space series. The resource includes images and information for each planet,...

Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do. This drawing...

This simulation allows students to make observations about how particle motion changes as the overall temperature of a liquid changes.

This site from NSTA includes a progression of the Science and Engineering Practice for obtaining, evaluating, and communicating information. In addition, thereare performance expectations that make use science and engineering practices.

A key for classifying Texas native plants. Observe the characteristics of a plant and make choices as you work through the key to find out its binomial name.

Power Point presentation on scientific method for NAS 102 Human and Environmental Biology II.

Students perform many inquiry activities related to Earth's orbit. Included are recording daily temperatures, observing the sun's path over several weeks, tracking sunrise and sunset times, and angle of sunlight. Diagrams make lessons...

Students perform many inquiry activities related to Earth's orbit. Included are recording daily temperatures, observing the sun's path over several weeks, tracking sunrise and sunset times, and angle of sunlight. Diagrams make lessons...

William the Conqueror (1066-1087), as represented on his seal. Although William really ruled 'as king by the edge of the sword,' he preferred to base his title on the promise of Edward the Confessor rather than on force of arms; and he...