Chapter 9 Lesson 1 and 2 Review

                     is the amount of matter in an object.

• weight

• mass

• volume

An                                    is a material that cannot be broken down into anything simpler by chemical reactions.

• element

• atom

• nucleus

                       measures how much space matter takes up.

• density

• solid

• volume

                      are elements that share common properties such as shiny, luster, conductivity, and flexibility.

• metalloids

• nonmetals

• metals

is the resistance to sinking

• buoyancy

• density

• volume

An                   is the smallest unit of an element that retains the properties of that element.

• nucleus

• proton

• atom

                     is how strongly gravity pulls on an object.

• mass

• weight

• gram

The                                is the center of an atom.

• nucleus

• neutron

• proton

                           is anything that has mass or volume.

• property

• density

• matter

The                            is a particle with one unit of positive electric charge.

• electron

• neutron

• proton