Unit 1: What Is Chemistry? Matter

A solid takes shape of its container _______.

A substance's colour, density and melting point are physical properties _________

Physical changes do not affect the composition of a substance ______________

The process in which cucumbers become pickles is a physical change _______________

We are able to break down elements into other substances by chemical methods ___________

A mixture has non-uniform composition _______________

A mixture can contain two or more substances ______________

Air is a pure substance _________________

A substance that contains regions that have different properties from those of other regions is called a homogeneous mixture ________________

Filtration and distillation are processes of combining substances ________________