Existing K-8 Earth Science curricula often require a middle school level understanding. Students are able to grasp complex earth science concepts with tangible evidence. Given the complex, abstract modeling activities needed to comprehend geosciences, what should teachers do with curricula that do not provide enough tangible evidence? Curricula units must provide students with real-life evidence. I recommend five actions to integrate tangible evidence into existing curricula. First, teachers must seek tangible examples and/or outcrops in the surrounding environment (including the urban...