Memory 5th Grade 3.3 VocabularyVersión en línea Vocabulary for Unit 3 Week 3 in the 5th grade wonders curriculum por Erin Slegaitis To wear or wash away slowly; eat away Particles Visible The act or process of doing again; repeating Very small bits or pieces of something Repetition Structure Contact A touching or meeting of persons or things Formation Something formed or made Moisture Erode An arrangement of parts Water or other liquid in the air or on the surface; a slight wateriness Able to be seen