CT.3.3. The Changing Earth: Earth materials have different physical and chemical properties. a) Rocks and minerals have properties that may be identified through observation and testing; these properties determine how earth materials are used.
3.3.1. Differentiate between rocks and minerals.
3.3.2. Use the senses and simple measuring tools to gather data about various rocks and classify them based on observable properties (e.g., shape, size, color, weight, visible markings).
3.3.4. Summarize nonfiction text to compare and contrast the conditions under which igneous, metamorphic and sedimentary rocks are formed.
3.3.5. Observe and analyze rock properties (e.g., crystal size or layers) to infer the conditions under which the rock was formed.