*Use the senses to sort and categorize objects according to their various observable physical properties and determine if these objects are natural or human-made.
*Use tools to make observations about living and nonliving things and record both standard and nonstandard measurements in science investigations.
*Identify the materials from which an object is made (e.g. wood, metals, plastics, fabrics) and select materials based on their properties that are best suited to build an object (e.g. building a tower, bridge, cart, toy, container).
*Given a specific habitat or environment, describe the characteristics of living things that are needed for survival and give examples of living things that have these characteristics.
*Identify inputs that make living and nonliving things go (e.g. food, batteries, gasoline) and describe how people use them in their lives.

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