ns2 m3-u5-presentation

10
natur al

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Page 1: Ns2 m3-u5-presentation

natural

Page 2: Ns2 m3-u5-presentation

What materials can you see?

PAPER

GLASS

COTTON

PLASTICMETAL

WOOD

Page 3: Ns2 m3-u5-presentation

Natural and Man-made materials

Natural materials come from plants, animals or the ground.

Man-made materials are made by humans.

Page 4: Ns2 m3-u5-presentation

Which are natural? Which are man-made?

NATURAL

NATURAL

MAN-MADE

MAN-MADE

Page 5: Ns2 m3-u5-presentation

Match!

SOFT

MAGNETICTRANSPARENT

FLEXIBLE

HARD

Page 6: Ns2 m3-u5-presentation

Which roof is waterproof?

Page 7: Ns2 m3-u5-presentation

Mass vs. volume

Which ball has MORE MASS?

Which balloon has MORE VOLUME?

Which box has MORE MASS?

Page 8: Ns2 m3-u5-presentation

What kinds of mixtures are there?

HOMOGENEOUS HETEROGENEOUS

Page 9: Ns2 m3-u5-presentation

Materials change

HEATING

COOLING

Which states are these?

SOLID LIQUID GAS

Page 10: Ns2 m3-u5-presentation

Which material makes each object?

wool

plastic

metal

wood

glass