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