Physical change & chemical reactions
Terms in this set (50)
making a cake
water evaporating into the atmosphere
rotting fruit or food spoiling
boiling an egg
butter melting in a pan
soda freezing in the freezer
chocolate bar melting in the sun
chopping. block of wood in two pieces
driving a nail in a board
blowing up a balloon
physical changes are changes that ___ ____ result in a new substance
chemical changes are changes that result in the production of a new______________
5 examples of chemical change
burning, decomposition, digestion, respiration, photosynthesis
7 examples of physical changes
bending, cutting, crushing, breaking, condensing, freezing, melting
some physical changes can be ____________, but some physical changes cannot be reversed.
special types of physical changes, such as when water freezes or evaporates, are sometimes called ___________ in _________.
changes in state
cause to look larger than normal size so it can be seen more easily
the amount of matter in an object; large quantity together
instrument for weighing something
characteristic of matter that can be measured
a change in size, shape, or state of matter that does not create a new kind of matter
arrangement of the parts of anything - the feel of something
to mix completely with another substance to form a solution
the three typical forms ofnmatter: solid, liquid, gas
state of matter
to move rapidly
matter made up of two or more substances or materials that are physically combines
to separate the parts of something
a change in matter that produces new kinds of matter with different properties
a characteristic of matter that can be observed only when that matter is changed into a new kind of matter
the pull of gravity on an object
the amount of space that matter takes up
the amount of matter in a given space or given volume
__________ is anything that has mass & takes up space
matter can be __________, ___________, or _______.
solid, liquid, gas
give 3 examples of matter
chair, milk, helium
special qualities or characteristics for which something is known
what are some different properties of matter?
shape, size, color, texture
the smallest particle of ma matter that has all the same properties of that matter is called an ________.
two or more atoms joined together make a ______________.
describe the particles in a solid
vibrating close together, form a definite shape
describe the particles in a liquid
move around more than a solid; definite size but no definite shape
describe particles in a gas
they wont stay together; no fixed size or definite shape
a ______________ _____________ of matter can be seen without changing the matter into something new.
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