3.2 Vocabulary - Manufacturing

Natural Material is defined as:

• material that is man-made.

• material that occurs naturally in the environment.

• synthetic material used in construction.

• type of plastic

Synthetic Material is defined as:

• material made from natural resources.

• material made by humans through chemical synthesis.

• naturally occurring material.

• material that cannot be recycled

Define Mixed Materials.

• Materials composed of two or more different substances.

• Materials made of a single substance.

• Materials that are only synthetic.

• Materials that are only natural.

Ceramics are defined as

• a type of metal

• a type of plastic

• a type of glass

• a type of non-metallic, inorganic material

Polymers are defined as:

• large molecules composed of many repeated subunits

• small molecules with a single structure

• elements with metallic properties

• compounds that conduct electricity

Composites are defined as:

• Materials made from two or more constituent materials with different physical or chemical properties.

• A single material with uniform properties throughout.

• A type of metal alloy used in construction.

• A natural material found in the environment.

Tensile strength is defined as the ability of a material to withstand loads tending to elongate.

• The ability of a material to withstand loads tending to elongate.

• The ability of a material to resist compression.

• The ability of a material to conduct electricity.

• The ability of a material to absorb heat.

Compression strength is defined as:

• The ability of a material to withstand loads tending to reduce size

• The ability of a material to withstand loads tending to elongate

• The ability of a material to withstand loads tending to twist

• The ability of a material to withstand loads tending to shear

Fatigue strength is defined as the maximum stress a material can withstand for a specified number of cycles without breaking.

• True

• False

Define Hardness.

• The measure of a material's resistance to deformation or scratching.

• The ability of a material to conduct electricity.

• The temperature at which a material melts.

• The measure of a material's density.