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When their temperature decreases, substances decrease in volume.
 
contraction
 
expansion
 
conductive material
 
reflective material
Substances increase in volume when their temperature increases. This is called:
 
expansion
 
contraction
 
conductive material
 
reflective material
mater exists in three different states:
solid, liquid, and gaseous
These materials will eventually run out, because they are used faster than they are produced.
 
non-renewable materials
 
renewable materials
These materials do not run out, because they are produced faster than they are used:
 
renewable materials
 
non-renewable materials
These include wood, cotton, and rubber
 
vegetable
 
mineral
 
animal
 
alloys
These include wool, honey, wax, leather and silk
 
animal
 
mineral
 
vegetable
 
alloys
These include materials such as gold, silver, iron, natural gas and petroleum
 
mineral
 
animal
 
vegetable
 
non-renewable materials
These are materials or products that we extract from the natural environment for a particular purpose.
 
primary materials
 
heterogeneous mixtures
 
renewable materials
 
non-renewable materials
They are homogeneous mixtures in which one or more component is metal.
 
alloys
 
heterogeneous mixtures
 
renewable materials
 
non-renewable materials
In these mixtures, the different components cannot be distinguished
 
homogeneous mixtures
 
heterogeneous mixtures
 
alloys
 
renewable materials
In these mixtures, the different substances that form the mixture can be distinguished
 
heterogeneous mixtures
 
homogeneous mixtures
 
alloys
 
renewable materials
Chocolate milk is an example of a:
 
mixture
 
heterogeneous mixtures
 
animals
 
renewable materials
They contain two or more pure substances:
 
mixtures
 
heterogeneous mixtures
 
animals
 
renewable materials
Oxygen, gold, salt, sugar, and other minerals are:
 
pure substances
 
heterogeneous mixtures
 
animals
 
renewable materials
They contain only one type of material
 
pure substances
 
heterogeneous mixtures
 
animals
 
renewable materials
There are two types of matter:
 
pure substances & mixtures
 
heterogeneous & homogeneous mixtures
 
animals & vegetables
 
renewable & non-renewable
Wood, plastic, air, carbon, and diamond are examples of:
 
substances
 
minerals
 
animals
 
vegetables
Matter exists in many different forms. We call these forms:
 
substances
 
minerals
 
animals
 
vegetables
This energy passes from warmer bodies to cooler ones.
 
thermal energy
 
light energy
 
nuclear energy
 
chemical energy
This energy is stored in substances known as nuclear fuels.
 
nuclear energy
 
light energy
 
kinetic energy
 
chemical energy
This is the energy that travels with light. Plants use this energy for photosynthesis.
 
light energy
 
potential energy
 
kinetic energy
 
chemical energy
We can see this type of energy in some natural phenomena such as lightning.
 
electrical energy
 
potential energy
 
kinetic energy
 
chemical energy
This energy is stored in different substances that during chemical reactions is converted into other forms.
 
chemical energy
 
potential energy
 
kinetic energy
 
electrical energy
The energy an object has due to its position in relation to a force.
 
potential energy
 
chemical energy
 
kinetic energy
 
electrical energy
Moving objects have:
 
kinetic energy
 
chemical energy
 
potential energy
 
electrical energy
All changes in matter involve:
energy
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