Types of Rocks
grey hard rock; once
the liquid lava that
came out of a volcano.
Basalt rock
a large rock, typically broken off a mountain or cliff
Boulder
an area on the edge of
a lake or ocean covered by sand
Beach - Mrs. Frasier's Favorite Place
Sand and gravel used to surface roads.
Asphalt
feels smooth,
something made up of
very small particles
fine
reddish, bubbly rock
made from the ash from
the fires of a volcano
Scoria Rock
a small stone made smooth by wind or water
Pebble
a deep V-shaped valley
canyon
a block of clay, sand, lime,
and soil mixed together
and dried- used for
construction
Brick
feels rough, something
made up of large
particles
Coarse
the light, soft rock made
from the ash of a
volcano
Tuff Rock
rock pieces, used on roads and driveways
Gravel
a low area between mountains
valley
mixture of water, sand, and clay- used to build and construct
Concrete
when rocks break into
smaller pieces because
of rain, water, wind
Weathering
minerals, rocks, soil, and water- natural materials that can be found on the earth
Earth Materials
smaller than
sand, but larger than
clay
Silt
a low, flat, level area of land
Plain
a mixed paste used to
bind bricks together
[made up of water, clay,
and fine sand]
Mortar
a heavy paper with sand
attached to one side; used
to smooth out wo
Sandpaper
words used to describe
rocks [rough, smooth,
dull, shiny]
Property
one individual piece of
sand
Particle
a place where lava, ash,
and gasses come out
from the Earth
Volcano
a path along side of a road, usually made of concrete
Sidewalk
a metal guard, used to
separate different
sized objects (rocks)
Screen