Arizona's College and Career Ready Standards
Core Ideas for Knowing Science
P1: All matter in the Universe is made of very small particles.
Second Grade: Focus on Systems and System Models; Energy and Matter
Physical Sciences: Students develop an understanding of observable properties of matter and how changes in energy (heating or cooling) can affect matter or materials.
Physical Science Standards
2.P1U1.2. Plan and carry out investigations to gather evidence to support an explanation on how heating or cooling can cause a phase change in matter.
2.P4U1.3. Obtain, evaluate and communicate information about ways heat energy can cause change in objects or materials.