earth
what is the earth made from
core mantle crust
when does erosion happen
when running water, wind, waves, or glaciers pick up dirt rocks.
true/false weathering and erosion are the same things.
false. they're related, not the same.
what are the three types of rocks
igneous, metamorphic, sedementary.
what are glaciers
slow-moving mountains
when did the earth form
4.5 billion years ago
when does weathering occur
when rocks are broken into fragments.
what is a fossil
a remnant from an organisim.
igneous is made of what
magma and lava cooled down.
glaciers sit on...
ice.
true/false: the mantle makes up 2/3 of the earth's inners.
true
what is soil
soil is made of rock, water, humus, and air.
can different types of rocks turn into other types of rocks and if so what is this process called
yes. it is called the rock cycle.
metamorphic rock is made from what
pressure on magma.
true/false: glaciers move quickly.
flase. they move super slow.
what is the earth's core made of
iron.
what is weathering
the process of breaking down rocks, soil, and minerals.
how do we know what the earth is made of
we know from earthquakes.
sedimentary is made from what
minerals eroded rocks, and animal remains.
mountains are one of the ______ landforms on earth.
a) major
b) minor
a) major
the crust is on the inside.
false.
erosion creates...
how is sand made
pebbles being broken by water.
plate movement can create...
metamorphic rocks.
mountains form where plates...
shift, pull apart, or push together.