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