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rocks and minerals 3rd grade

Across
Melted rock deep inside the Earth
Study of rocks and minerals
How shiny or dull a mineral is
Rock that forms from layers of sediment that pile up
How easily a mineral can be scratched
Person who studies rocks and minerals
Nonliving material made of one or more minerals
Down
Solid nonliving substances found in nature
Tiny bits of weathered rock or once living animals or plants
Rock that forms when melted rock cools and hardens
Melted rock that flows onto Earth's surface
Rock that has been changed by heating and squeezing
The color of the powder left when a mineral is rubbed on a white tile
Most minerals are only one ________