Physical Properties of Matter Grade 5
mass
measurement of how much matter is in an object -how many atoms are in an object and how dense they are
Temperature
the measure of the energy in motion in the particles of matter, which we feel how hot or cold something is
example gas and solid
balloon and basketball
Matter
Anything that has mass and takes up space, anything that is a solid, liquid or gas, living or not living
reversible change
a change that is not permanent and can be undone
irreversible change
a change that is permanent and a new substance is formed
atoms
are the small building blocks of chemicals e.g h 2 oh- has 2 hydrogen and 1 oxygen atom
give examples of gas and liquid
baking soda and vinegar
signs of physical changes
change od shape, colour, state, can easily be turned back
signs of chemical change
change of colour, an odor is given off, change of temperature, bubbling, precipitation is left behind
properties of matter that make them useful
describe paper e.g
solid and liquid
filled water bottle, ice
sold, liquid and gas
human, plant ,animals
changes in staTE
involve release of heat or absorption of heat
precipitate
is the solid created in a solution after a chemical reaction
Volume
the amount of space something takes up
Gas
the state of matter in which a substance does not have a definite shape or volume. takes shape of container spreads when not contained e. fog, oxygen, smoke
Solid
the state of matter in which a substance has a definite shape and a definite volume Does not change shape easily molecules closely packed together melts can't be compressed e.g - ice, water bottle, plastic
Liquid
the state of matter in which a substance has a definite volume but no definite shape takes shape of container spreads when not contained -molecules close together freeze, evaporate e.g water, blood
absorbtion
to gain something
release
to loose something