rocks and weathering
name all 3 rock types
sedimentary rock, igneous rock, metamorphic rock,
what are all of the horizons
horizons o, a, b, c.
name one type of fossil
trace fossil, mold fossil, cast fossil, coprolites, imprints, petrified fossils.
how is igneous rock made
when lava cools then hardens
what minerals are found in horizon O
pieces of weathered rock
how is a fossil made
when something dies fast enough for its bones to be buried and conserved staying in one form for decades
how is sedimentary rock made
when igneous rock is compacted
is the soil in horizon A good or bad
good
amber, ice, mummification,tar, avalanches, rock slides.
is a stalagmite on top or bottom?
on bottom
what else can horizon A be called
topsoil
name two types of animals most commonly found fossilized
dinosaurs,ammonites (marine animals)
how does mechanical weathering happen
breaking rock into smaller pieces by physical forces
what long term effects do erosion cause
covering landmarks moving big rocks and spreading sand and dust
what is the main persevering part of the fossil found most commonly by digging,restructuring and rebuilding the fossil to find out what it looked like during its time alive
bones