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Which of the following best describes a physical mixture?
A combination made from different materials that can easily and when two substances are combined, but are not chemically bonded
What is a heterogeneous mixture?
Visible; easily separated
What is a homogeneous mixture?
Invisible; not easily separated
Give me an example of a homogeneous mixture
Salt and water, lemonade, food coloring and water, etc.
Give me an example of a heterogeneous mixture
Pizza, salad, sand and water, cereal and milk, etc
A _______________ is dissolved by a solvent
Solute
What do we call objects that are made from matter?
Materials
What are the three main processes in which mixtures are separated?
Filtration, distillation, and centrifuge
What is adhesion?
The mutual attraction of unlike particles that causes them to stick together.
Give me an example of adhesion.
Glue or tape
What is a malleable material?
Material that can bend without cracking or breaking.
Give me an example of a malleable material. I showed this in class.
A paper clip
What is the meaning of deformation?
The deforming of a material due to force applied or temperature.
What describes conductivity?
How materials allow the flow of heat or light.
What is an example of conductivity?
An electrical cord
Which profession studies the properties and applications of materials
Material Scientists
