'Giant bar magnet' diaporamas de présentation

Plate Tectonics

511 views • 39 slides

Planets and Stars

506 views • 31 slides

The Early Paleozoic World: the paleogeography of the Cambrian Earth

680 views • 27 slides

Electromagnetism

Chapter 18. Electromagnetism. Preview. CRCT Preparation. CRCT Preparation. Chapter 18. 1. The table shows the number of primary and secondary coil loops in four transformers. Which of the four transformers decrease current? A A and C B B and C C B and D D A, B, C, and D.

318 views • 21 slides

Why is it magnetic?

Why is it magnetic?. An object is magnetic if its electrons easily align by pointing in the same direction, which creates a domain , and also spin in the same direction, like clockwise or counterclockwise. Iron is particularly good at this because it has a lone pair of electrons.

307 views • 19 slides

311 views • 17 slides

Chapter 4

Chapter 4. Introducing the Earth. Layers of the Earth (from the outside to the inside) . Crust Mantle Lithosphere Asthenosphere Mesosphere Core Inner core Outer Core. Convection in the Mantle. The movement of energy from a warmer object to a cooler object is called heat transfer

250 views • 15 slides

MAGNETIC fIELD

MAGNETIC fIELD. 6.1 Magnetic Field. Define magnetic field. Identify magnetic field sources. Sketch the magnetic field lines. Magnetic Field. A region around a magnet where a magnetic force can be experienced. A stationary electric charge is surrounded by an electric field only.

1.24k views • 12 slides