variables that do not change in an experiment
what is the variable that is being measured
dependent variable
what is a hypothesis
an educated guess
mass movements are caused by
gravity
acids and oxygen is caused by what
chemical weathering
what causes potholes in the street
ice wedging
what are rocks that are produced by magma or lava
igneous rock
the variable that changes in an experiment is called
the independent variable
where are the youngest rocks on the ocean floor located
at mid-ocean ridges
what are earthquake waves called
seismic waves
mechanical weathering can be caused by
animals
sedimentary rock is heated and squeezed to form what rock
metamorphic rock
what plates float on top of the asthenosphere
lithosphere plates
what are molten rock beneath earths surface called
magma