Vocabulary

Buoyancy

• the ability or tendency to float in water or air or some other fluid.

Physical PropertiesProperties that can be observed and measured

Chemical Properties

• Ability of a substance to react with other materials to form new substances.

Density

• A Physical Property-

• The amount of mass that fits in a given volume

Texture

• How the surface of a substance feels

Ductility

• Ability of a substance to be pulled into long threads

Mixture

• Two or more substances that are not chemically combined

Solution

• A mixture when the particles are mixed evenly

Reactivity

• Ability of a substance to go through a chemical change when it interacts with another substance.

Suspension

• A mixture that contain particles large enough to be seen. Filter paper will separate the particles.

Colloid

• Suspensions not easily filtered because of the size of the particles.

• Fog is a colloid of water

• Droplets in a gas that are

• so tiny they do not fall to

• the ground.

Combustibility

• Ability to burn

Decomposition reaction

Solvent

• The liquid in which something is dissolved