Results

Applying Newton's first law to answer some true/false statements about why objects move (or not).

These three short online lessons discuss asteroids, comets and meteors.

These two short online tutorials discuss how the earth rotates and then the earth's revolutions.

In the first URL, the YouTube video explains why earth has spring, summer, autumn and winter seasons. The second URL summarizes the key takeaway points.

This online tutorial will explain the earth's shape and its hemispheres.

This online article delves into our the sun and planets were formed.

Figuring out the acceleration of ice down a plane made of ice.

These four short online lessons will cover the following:

• The planets of the solar system
• Planet orbits in the solar system
• Gravity in the solar system
• Inner vs outer planets

This online resource explores the following topics:

• Latitude and parallels
• Longitude and meridians
• Climate and latitude
• Time zones

An elaboration on how to use Newton's second law when dealing with multiple forces, forces in two dimensions, and diagonal forces.