Ns2 m3-u5-presentation
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Transcript of Ns2 m3-u5-presentation
natural
What materials can you see?
PAPER
GLASS
COTTON
PLASTICMETAL
WOOD
Natural and Man-made materials
Natural materials come from plants, animals or the ground.
Man-made materials are made by humans.
Which are natural? Which are man-made?
NATURAL
NATURAL
MAN-MADE
MAN-MADE
Match!
SOFT
MAGNETICTRANSPARENT
FLEXIBLE
HARD
Which roof is waterproof?
Mass vs. volume
Which ball has MORE MASS?
Which balloon has MORE VOLUME?
Which box has MORE MASS?
What kinds of mixtures are there?
HOMOGENEOUS HETEROGENEOUS
Materials change
HEATING
COOLING
Which states are these?
SOLID LIQUID GAS
Which material makes each object?
wool
plastic
metal
wood
glass