A simulation illustrating Ptolemy's geometrical system of explaining the varying speeds and directions of the planets, sun, and moon.

Learners compare various options for purchasing new home appliances by comparing the energy usage of more efficient models to less energy efficient models. They calculate the payback period in cases for which the purchase price for the...

An activity where students build a scale model of the solar system based on a marble they pick from a bowl. After choosing a marble that represents Earth, students must calculate the size of the other planets and the sun. Site includes...

This activity will help your students comprehend the huge scales of time and space by using familiar objects. You can explore the massive distances of our Solar System using scale models made out of string. Included is a scale model of...

A podcast explaining a model of the solar system which students can visualize, or even try to recreate. [1:38]

In this activity you will model the population growth of these new "multipliers" on our planet.

Work samples, phenomena, assessment templates, and videos that directly address standard MS-ESS1-3: scale properties in the solar system.

Seven hands-on lessons module where students learn about our dynamic planet. These inquiry-based explorations investigate scientific models, earthquakes and seismic waves, Earth's interior, Earth movements, the lithosphere, plate...

This site from Open Source Physics offers a file with a simulation of Kepler's theory of planetary motion, tested with the Earth rotating around the sun and another planet of the user's choosing. The download requires Java.

Check out this simple overview of the water cycle and learn how to build a model of the water cycle.

Experience the solar system as you've never seen it before; up close and personal. Visit each planet by clicking on it, then selecting the play button to track its rotations through the calendar year. Watch the constellations move...

Excellent resource for "paper-plate" activities that help simplify various astronomy topics. Learn how to build a "Moon Finder" and "Planet Pointer," and create a paper-plate model that explains the Transit of Venus.

[Free Registration/Login Required] The objectives of this flipchart are to show students how to solve one-step equations and use equations to solve real-world problems.

[Free Registration/Login Required] This resource outlines and defines the POWERS model for good writing.

[Free Registration/Login Required] A basic premise of science is that much of the physical world can be described mathematically and many physical phenomena are predictable. This scientific outlook took place in Europe during the late...

[Free Registration/Login Required] Students will learn the different forms of an equation of a line and will find the equations of a line in all three forms- point-slope form, slope-intercept form, and the general form (Ax+By=C).

[Free Registration/Login Required] In this flipchart students can practice their counting skills. The teacher can model first filling in the empty spaces on the number line with the pen tool. After modeling you can clear the pages with...

[Free Registration/Login Required] Flipchart aligned with the story - The Napping House.

This two-part lesson begins with a lecture which describes the complex process of creation from molecular cloud to planetesimals to planets to organized solar system. The lecture is followed up with a draw/write activity in which the...

Fourth graders will begin to understand the solar system by using and creating models to demonstrate the layout of the solar System.

This site from The Eight Planets shows that Titan may serve as a model of a highly reduced early Earth atmosphere in which the first stages of organic chemical evolution could take place in the atmosphere.

Students are introduced to the concept of air quality by investigating the composition, properties, atmospheric layers and everyday importance of air. They explore the sources and effects of visible and invisible air pollution. By...

[Free Registration/Login Required] This flipchart models the poetry of Cinquains (winter).

Observe the movements of a molecular planetary gear.