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rock cycle
connectins/science
| Question | Answer |
|---|---|
| which part of of the earth's stucture is about the size of the moon | the inner core |
| The outer core is a sea of iron that produces | the magnetic field around the earth |
| what is located underneath the coninents and has an average thickness of 22 miles | continental crust |
| igneous comes from the Latin root ignis, which means | fire |
| what helps the magma reach the surface | pressurized gas |
| the less pressure the gas is under | the less violent the eruption |
| when igneous rocks cool underground they form | crystals |
| what type of weathering strikes at the structure or makeup of the rock | chemical |
| When sedimentary rocks are formed the water is squeezed out by overwhelming weight. what hardens once the water is gone? | natural concrete |
| what other substances other than rainwater help break down the chemical makeup of rocks | carbon dioxide |
| what is NOT a factore in mechanical weathering | air pollution |
| metamorphic use ________ to change the structre of the rock | pressure and heat |
| what characteristic is used to identify metamorphic rock | wood grain texture |
| why are oceans and river important in the rock cycle | break down rocks |
| Rocks can choose | many routs through the rock cycle |