Inve

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n 1Investigation 1

Slide POM6-1-1

Matter

Slide POM6-1-2Copyright 2014 Cognitive Learning Systems, Inc.

Matter: Anything that has mass and volume. (Weights, the Earth, the Solar System, the Universe - All composed of matter)

Elements

Slide POM6-1-3Copyright 2014 Cognitive Learning Systems, Inc.

Matter: Anything that has mass and volume. !

Elements: The 118 different forms of matter known. (All elements are matter) !

Periodic Table of the Elements: Organized arrangement of all known elements. (More about this in the eighth grade)

Molecules

Compounds

Subatomic Particles

Matter

Elements

Atoms

Matter: Anything that has mass and volume. !

Elements: The 118 different forms of matter known. (All elements are matter) !

Atom: The smallest unit of an individual element. (All atoms are elements) !

Molecule: Particle containing two or more atoms. !

Compound: Molecules that contain two or more different atoms.

Slide POM6-1-4

Copyright 2014 Cognitive Learning Systems, Inc.

Relationships of Matter

Subatomic Particles: The small particles that make up an atom and determine its properties. (All atoms contain subatomic particles) !

The Element OxygenSlide POM6-1-5

Copyright 2014 Cognitive Learning Systems, Inc.

HydrogenHy

Atom

MoleculeMolecule/Compound

Oxygen

O2 = Oxygen Gas H2O = Water

8 Protons8 Neutrons

8 Electrons

Subatomic Particles

Methods of Mass Determination

Slide POM6-1-6Copyright 2014 Cognitive Learning Systems, Inc.

Mass is measured in grams (g) !

1000 g = 1 kilogram

Triple Beam Balance

Methods of Volume Determination

Slide POM6-1-7Copyright 2014 Cognitive Learning Systems, Inc.

60 ml67 ml

67 ml - 60 ml = 7 ml

3 cm3 cm

3 cm

3 cm X 3 cm X 3 cm = 27 cm3

1 cm3 = 1 ml

27 cm3 = 27 ml

Regularly shaped mass

Irregularly shaped mass

Mathematical Calculation Method Volume Displacement Method

Slide POM6-1-7Copyright 2014 Cognitive Learning Systems, Inc.

Matter

Subatomic Particles

Copyright 2014 Cognitive Learning Systems, Inc.

Atoms

Molecules