pg 32 and 34 35f or questions and learning outcomes and mystery
everything you see, both living and non living is made of matter
eg insects, trees, human beings are living
rocks, water, buildings are non living
there is great diversity of matter on earth
seek to organise and classify great diversity of matter on earth
choice of material for particular use depends on physical properties of material and purpose of object
what is matter
everything around us is made of it
anything that has mass and volume
mass is amount of matter something has. larger the mass, more matter
volume is amount of space something occupies
classifying matter
what is classification?
stuff are aranged in an organised way so you can locate what you want among many thingds
each section is given name to represent items
why do we classify
diversity of goods in supermarket may be confusing, especially if we want to locate wpecific items
help us understand more easily
how do we classify
pg 37
there is usually more than 1 way to classify same group of objects
ways to classify non living things
many ways
solids liquids gases
pg 28
three states of matter
different kinds of materials
material is sunstance that is used for making objects
metals, plastics, glass, ceramics and fibres
pg 39
metals such as iron and copper can be found in ground
glass is made from sand
ceramics made from clay
plastics are man made
fibres can be natural and also man made