Physical Science Section 2C Review CCA

Match it! Select the correct answer from the pull down...Good luck!

A heterogeneous mixture does not have a ________ appearance since the substances are unevenly distributed.

Man has been classifying things since the beginning of _______.

LIQUID: Particle spacing: ______ Particle motion: able to slide past each other Volume: fixed Shape: changes to fill a container from the bottom.

Elements are the simplest of the ______ substances.

An element is a pure substance that consists of atoms with the same ______ number.

Chemists classify elements as metals, nonmetals, and metalloids, as well as into families, such as alkaline earth _______ or halogens.

PLASMA: gas-like state of matter formed at very high ________that consists of high-energy ions and free electrons.

A pure substance is a material made of only one kind of ________ or compound; it is not a mixture.