Slide Deck A-2. Welcome to BFSU: › Forums › Volume One › Learning Progression “A”: Nature of Matter › Lesson A-2. Solids, Liquids, and Gases and Change with Temperature › Slide Deck A-2. This topic has 0 replies, 1 voice, and was last updated 3 months ago by insightandlearning. Viewing 0 reply threads Author Posts August 28, 2023 at 4:40 pm #9442 insightandlearningParticipant Lesson A-2. Solids, Liquids, and Gases and Change with Temperature Author Posts Viewing 0 reply threads You must be logged in to reply to this topic.