Vocabulary Test will be given this Friday, March 21st, 2014
1. mineral – a solid object found in nature that has never been alive
2. hardness – the measure of how difficult it is for a mineral to be scratched
3. rock – a naturally formed solid made of grains of one or more minerals
4. streak test – a way to identify minerals by observing the color of the powder left behind when rubbed on a
white tile
5. metamorphic rock – rock that has been changed by heat or pressure
6. sedimentary rock – rock made when materials settle into layers and get squeezed until they harden into rock
7. igneous rock – rock that was once melted and then cooled and hardened
8. rock cycle – an endless process in which rocks are changed from one type to another
9. humus – the part of soil made up of broken-down pieces of dead plants and animals
10. sand – soil with grains of rocks that you can see with your eyes alone
11. clay – soil with very, very tiny grains of rock
12. loam – soil that is a mixture of humus, sand, silt, and clay
13. silt – soil with grains of rock that are too small to be seen with your eyes alone
14. weathering – the breaking down of rocks into smaller pieces
15. erosion – the movement of weathered rock and soil
Vocabulary Test will be given this Friday, March 21st, 2014
1. mineral – a solid object found in nature that has never been alive
2. hardness – the measure of how difficult it is for a mineral to be scratched
3. rock – a naturally formed solid made of grains of one or more minerals
4. streak test – a way to identify minerals by observing the color of the powder left behind when rubbed on a
white tile
5. metamorphic rock – rock that has been changed by heat or pressure
6. sedimentary rock – rock made when materials settle into layers and get squeezed until they harden into rock
7. igneous rock – rock that was once melted and then cooled and hardened
8. rock cycle – an endless process in which rocks are changed from one type to another
9. humus – the part of soil made up of broken-down pieces of dead plants and animals
10. sand – soil with grains of rocks that you can see with your eyes alone
11. clay – soil with very, very tiny grains of rock
12. loam – soil that is a mixture of humus, sand, silt, and clay
13. silt – soil with grains of rock that are too small to be seen with your eyes alone
14. weathering – the breaking down of rocks into smaller pieces
15. erosion – the movement of weathered rock and soil
Vocabulary Test will be given this Friday, March 21st, 2014
1. mineral – a solid object found in nature that has never been alive
2. hardness – the measure of how difficult it is for a mineral to be scratched
3. rock – a naturally formed solid made of grains of one or more minerals
4. streak test – a way to identify minerals by observing the color of the powder left behind when rubbed on a
white tile
5. metamorphic rock – rock that has been changed by heat or pressure
6. sedimentary rock – rock made when materials settle into layers and get squeezed until they harden into rock
7. igneous rock – rock that was once melted and then cooled and hardened
8. rock cycle – an endless process in which rocks are changed from one type to another
9. humus – the part of soil made up of broken-down pieces of dead plants and animals
10. sand – soil with grains of rocks that you can see with your eyes alone
11. clay – soil with very, very tiny grains of rock
12. loam – soil that is a mixture of humus, sand, silt, and clay
13. silt – soil with grains of rock that are too small to be seen with your eyes alone
14. weathering – the breaking down of rocks into smaller pieces
15. erosion – the movement of weathered rock and soil