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