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Vocab #4

Weekly 8th grade vocab

Magnitude the strength of a force or object
Balanced forces forces that cause no change in the motion of an object
Unbalanced forces forces that always cause the motion of an object to change its speed and/or direction
Medium a material thru which waves can travel
Crest highest point of a wave
Trough lowest point of a wave
Metamorphic rocks that are changed into different kinds of rocks by heat and/or pressure
Igneous rocks that form when magma cools and hardens
Magma molten (hot liquid) rock inside the earth
Lava magma that reaches the earth
Created by: asarvis