Measure and graph quantities to provide evidence that regardless of the type of change that occurs when heating, cooling, or mixing substances, the total weight of matter is conserved. 5-PS1-2

**Using Mathematics and Computational Thinking**

Mathematical and computational thinking at the 3–5 level builds on K–2 experiences and progresses to extending quantitative measurements to a variety of physical properties and using computation and mathematics to analyze data and compare alternative design solutions.

**
PS1.A:
Structure and Properties of Matter
**

**
PS1.B:
Chemical Reactions
**

**Scale, Proportion, and Quantity**

**Scientific Knowledge Assumes an Order and Consistency in Natural Systems**

Science assumes consistent patterns in natural systems. (5-PS1-2)

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