Material Properties
This type of property can be observed without changing the substance.
Physical Property
A useful material or energy source found in nature.
Natural Resource
Human-made materials produced using chemical processes.
Synthetic Materials
Scientists and engineers create synthetic materials to meet these.
Specific needs or purposes
A substance used to make objects.
Material
The ability of a material to burn in oxygen.
Flammability
Trees, plants, and animals are examples of this type of resource.
Living Natural Resources
This common synthetic material is used to make bottles, bags, and containers.
Plastic
This type of glass is designed to resist breaking during storms or impacts.
Strong or reinforced safety glass
A material made from two or more different materials.
Composite
This property helps determine if something will sink or float in water.
Density
These fuels include coal, petroleum, and natural gas.
Fossil Fuels
These materials are made by combining two or more materials together.
Composites
Carbon fiber mixed with plastic to make a bicycle frame is an example of this type of material.
Composite
A molecule made of repeating units that forms plastics.
Polymer
Iron reacting with oxygen to form rust is an example of this type of property.
Chemical Property
This metal is commonly used to make electrical wires because it conducts electricity well.
Copper
The chemical reaction that joins ethylene molecules forms this plastic.
Polyethylene
Medicines are designed to have specific ______ properties so they treat diseases.
Chemical
The process where atoms rearrange and form new substances.
Chemical Reaction
Name two examples of physical properties.
color, hardness, transparency, mass, volume, density, melting point, boiling point.
These fuels come from plants or algae and can be regrown.
Biofuels
A long molecule made of repeating units, commonly found in plastics.
Polymer
Food preservatives like citric acid help food last longer by slowing this.
chemical reactions or the growth of bacteria/mold
Resources that take millions of years to form and cannot be replaced quickly.
Nonrenewable Resources