1. If you have a lot of information to learn, organize it into a pattern.

2. For the average person, it takes three weeks of regular review to move information from short term memory to long term memory.

A region is an area of land having land forms, vegetation, and climate characteristics that are different from nearby regions.

PLATE TECTONICS: Large blocks of the earth's crust which collide and grind into each other. Where they meet, volcanoes and earthquakes occur.

SUBDUCTION: It is where a plate of the earth's crust is forced under another plate.

PETRIFIED WOOD: Wood that has been turned into stone.

RAIN FOREST: Warm moist air from the ocean is trapped in the river valleys. It is forced to rise, hits cold air, condenses and falls as rain.

RAIN SHADOW: An area of land where the mountains block the rain, creating a dry area.