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5-WE CARE ABOUT MATTER-N.S-5TH

 5-1-PROPERTIES OF MATTER

pag.90-91





5-2-DENSITY

pag.92-93




5-3-FORCES AND THEIR EFFECTS

pag.94-95




5-4-FORCES AND MOTION

pag.96-97



5-5-TYPES OF AIRCRAFTS

pag.98-99




5-6-EXPERIMENT: 

MEASURE THE FORCE OF FRICTION

pag.100



5-7-CRAFT: BUILD A BOAT 

FROM RECYCLED MATERIALS

pag.101