PS.5.1 Understand the interactions of matter and energy and the changes that occur.
PS 5.1.1 Carry out investigations to compare the weight of objects before and after an interaction.
PS 5.1.2 Carry out investigations to explain whether the mixing of two or more substances results in new substances.
PS 5.1.3 Carry out investigations to compare how heating and cooling affect some materials and how this relates to their purpose and practical applications.