Lesson 7 Regular Vocab

Front

invariable

Back

something that does not change and cannot change (adj)

Front

signal

Back

Something that gives notice or warning (n); When something communicates or is a sign of something that is about to happen (v)

Front

mantle

Back

the part of the Earth found between the crust and the core (n); anything that covers or envelops something the way a cape does (n)

Front

achievable

Back

A goal that can be reached (adj)

Front

jolt

Back

a sudden sharp, jerky movement (n); to move something with a quick or hard blow (v)

Front

crust

Back

the outermost layer of the Earth (n)

Front

collide

Back

to come into conflict or crash together (v)

Front

obtainable

Back

something that can be acquired or obtained (adj)

Front

alter

Back

to change or modify something (v)

Front

landscape

Back

the visible features of an area of land, including physical elements like hills and rivers (n)