1.5 THE CONCEPT OF MASS/ KONSEP JISIM

1.5 THE CONCEPT OF MASS/KONSEP JISIM

JirimA.Teori Zarah Jirim1. Jirim terdiri darpada zarah-zarah halus yang diskrit.2.Zarah di dalam mungkin adalahatom,ionataumolekul.

atom -the smallest particle of an element that can exist alone or in combination with other atoms.

elementcomposed of all of the same kind of atom.

molecule -is a neutral group of atoms that are chemically bonded together; it is the smallest particle of a compound that can exist by itself and retain the properties of the compound.mixture -is a substance that contains a combination of different compounds and/or elements and be separated by physical means.

MASS /JISIMDIFFERENCES/PERBEZAANWEIGHT/BERATThe quantity of matter in an object. /Kuantiti jirim dalam suatu objek.Definition/DefinisiThe gravitational force acting on an object.Daya graviti yang bertindak pada suatu objek.Its value is fixed/Nilainya tetap Value/ NilaiIts value varies from place to place/ Nilainya berubah dari tempat ke tempatMASS /JISIMDIFFERENCES/PERBEZAANWEIGHT/BERATNot influenced by gravity/Tidak dipengaruhi oleh gravitiInfluence of gravitional force/Pengaruh daya gravitiInfluenced by gravity/Dipengaruhi daya gravitiKilogram (kg)SI Unit / Unit SINewton (N) MASS /JISIMDIFFERENCES/PERBEZAANWEIGHT/BERATBeam balance/ Neraca alur

Measuring tools/ Alat pengukuranCompression balance/Neraca mampatan

Lever balance/ Neraca tuas

Electronic balance/Neraca elektronik

Measuring tools/ Alat pengukuranSpring balance/Neraca Spring

Conversion;1 kg= 1000 g,1g= 1000mg1N = 0.1 kg1kg= 10N