16 terms

Houghton Mifflin Science Grade 4 chapter 13

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Terms in this set (...)

matter
Anything that has mass and takes up space
mixture
matter that is made of two or more substances that are physically combined
solution
a mixture in which particles of one kind of matter are mixed with the particles of other kinds of matter
product
newly formed matter from a chemical reaction
reactant
the matter you start with in a chemical reaction
heat
the flow of thermal energy from a warm area to a cooler area
temperature
the measure of how hot or cold matter is
thermal energy
the total energy of the particles of matter
physical change
a change in the way matter looks without changing it into a new kind of matter
chemical change
a change in matter that produces a new kind of matter with different properties
chemical reaction
a change in matter that produces a new kind of matter with different properties.
dissolve
substances that mix completely by separating into particles that can't be seen
physical property
a characteristic of matter that can be observed without changing matter into something new
chemical property
a characteristic of matter that can only be observed by changing matter into something new
condensation
forms when gas cools and changes into a liquid
energy
is the ability to cause change

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