Monday, December 26, 2011
Monday, December 19, 2011
Sunday, December 11, 2011
Rocks and Minerals
- natural resources-things people use from earth (air, wind, water, rock, minerals, animals, plants)
- rock-nonliving hard part of earth. different sizes, shapes, colors, etc...
- rocks have been used as tools (arrow) and to build walls and buildings
- minerals-hard, nonliving parts of soil that can make rocks sparkle or shine (graphite in pencils, flourite in toothpaste, magnetite in magnets)
- rocks and minerals take millions of years to form in the ground
- people dig in the ground for rocks and minerals
- rocks can be made of one or more minerals
Monday, December 5, 2011
Thursday, December 1, 2011
The Solar System
- A planet is an object that moves around the sun
- The solar system is made of planets, moons, and the sun
- Solar means "of the sun"
- There are eight planets in our solar system
- The sun is the center of the system, the sun is the strongest and brightest part
- Planets closer to the sun take less time to go around the sun
- Mercury-closest to the sun, rocky
- Venus-hottest planet, thick clouds
- Earth-water, air, one moon
- Mars-two moons, red, rocky
- Jupiter-largest planet, 63 moons
- Saturn-large rings around it, made of ice and rocks, 47 moons
- Uranus has thin rings, 27 moons, Neptune is a blue planet, 13 moons
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