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breaks apart rocks without changing the chemical composition
mechanical weathering
removal of minerals that have been dissolved in water ( in soil)
mixture of weathered rock, organic matter, mineral fragments, water and air
soil
when water, air and other substances react with minerals in rocks, and the chemical composition changes
chemical weathering
dark colored decayed organic matter in soil
humus
process that wears away surface materials and moves them from one place to another
erosion
dropping sediments that occurs when an agent of erosion loses its energy of motion
deposition
scratching that produces grooves in rock under the glacier
grooves/ striations
different forms a gene may have for a trait
alleles
passing of traits from parent to offspring, controlled by genes
heredity
traits that appear most often
dominant
2 of the same alleles
homozygous
the study of how traits are inherited through the action of alleles
genetics
a solid becomes a liquid
melting
solid becomes a gas
sublimation
when liquid changes into gas
vaporization
liquid turns into a solid
freezing
vaporization that takes place at different temperature
evaporation
gas that changes to a liquid
condensation
vaporization that takes place during extreme heat
boiling
type of matter where particles are fairly close together
liquid
type of matter where particles are in a fixed position
solid
3 things that make up the circulatory system
blood, blood vessels, heart
having to do with your lumgs
pulmonary
red is oxygenated, blue is deoxygenated