Earth's Poles

What better way to understand how an object works than to make one! Learners take what they learned in the previous lessons and construct their own compasses. Using a needle, water, and styrofoam, they build and test compasses and verify...

Why do some magnets attract while others repel? Scholars use clearly labeled permanent magnets to explore the attractive question. They compare the behavior of like versus opposite poles to find the answer.

If you are looking for a concise set of slides dealing with the basics of magnetism, look no further. Each slide defines a different magnetism concept: poles, fields, atoms, currents, electromagnets, motors, and generators. The only...

Attract your class to magnetism with this straightforward presentation. Using bullet points and simple phrases, viewers are taught the basics of magnetism. There are no pictures or diagrams to help explain, so you might want to add a few...

Provide physical science explorers an overview of magnetism with this collection of slides. The third slide posts hyperlinks to websites that cover magnetic fields in detail, so ideally this presentation would be viewed by small groups...

You'll be strangely drawn to this activity! Physical science pupils learn how compasses work in an interesting interactive. The content covers magnetic poles, Earth's magnetic field, and what would happen if Earth's poles swapped places.

Six simple images pull your class into magnets. Most of the pictures show magnetic fields as revealed by iron filings. Concepts are explained in print along the bottom of each slide and include magnetic force, force fields, poles,...

After completing the activity, "Kinesthetic Astronomy: The Meaning of a Year," zoom in on Earth's rotation using the same simulation setup and this outline. Each class member dons a map of the Western Hemisphere and plays the part of...

Who needs a compass to find cardinal directions? Just place a stick in the ground and record the movement of its shadow over the course of a day. Then, measure the shadow lengths in order to determine a north-south line. A simple...

Clever! Earth science learners construct a model of a planet containing a magnetic core. The planet, Terrabagga, is made out of a paper grocery bag, magnets, a dead D battery, and rubber bands. Pictures of each step of the construction...