1-5
5-10
10-15
15-20
20-25
100

variables that do not change in an experiment 

constants
100

what is the variable that is being measured 

dependent variable 

100

what is a hypothesis

an educated guess

100

mass movements are caused by 

gravity

100

acids and oxygen is caused by what 

chemical weathering

200

what causes potholes in the street 

ice wedging 

200

what are rocks that are produced by magma or lava 

igneous rock

200

the variable that changes in an experiment is called 

the independent variable 

200

where are the youngest rocks on the ocean floor located

at mid-ocean ridges 

200

what are earthquake waves called 

seismic waves 

300

mechanical weathering can be caused by 

animals

300

sedimentary rock is heated and squeezed to form what rock

metamorphic rock

300

what plates float on top of the asthenosphere

lithosphere plates

300

what are molten rock beneath earths surface called 

magma