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REPORT IN SCIENCE

By: Mitski Zyril Del Rosario

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Take Notes

Observe Silence!

2 thing that I wan when doing my report

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PROPERTIES OF MATTER

Physical Properties1. Volume

2. Density

3. Boiling Point

4. Melting Point

5. Metallic Properties

6. Hardness

Chemical Properties

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WHAT IS PHYSICAL PROPERTIES?

A physical property is any property that is measurable, whose value describes a state of a physical system. The changes in the physical properties of a system can be used to describe its transformations or evolutions between its momentary states. Physical properties are often referred to as observables. They are not modal properties.

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VOLUMEVolume is the quantity of three-dimentional space enclosed by a close surface, for example the space that is a substance or shape that occupies or contains.

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DENSITYThe Density is a substance is it’s mass per unit volume. The symbol most often used for density is ρ, although the Latin letter D can also be used. Mathematically, density is defined as mass divided by volume. At the image the ρ is the density, m is the mass, and V is the volume.

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Substance Density in g/cm3

Air 0.0013Alcohol 0.79Aluminium 2.7Balsa Wood 0.13Carbon Dioxide 0.002Concrete 2.3Cork 0.24Gasoline 0.68Hydrogen 0.00009Ice 0.92Iron 7.8Lead 11.3Mercury 13.6Oxygen 0.0014Water (Pure) 1.00Water (Sea) 1.03

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BOILING POINTThe boiling point of a substance is the temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and the liquid changes into vapor. The boiling point of a liquid varies depending upon the surrounding environmental pressure. A liquid in a partial vacuum has a lower boiling point than when that liquid is at atmospheric pressure. A liquid at high pressure has a higher boiling point than when that liquid is at atmospheric pressure. For a given pressure, different liquids boil at different temperatures.

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MELTING POINT

The melting point (or, rarely, liquefaction point) of a solid is the temperature at which it changes state from solid to liquid at atmospheric pressure. At the melting point the solid and liquid phase exist in equilibrium. The melting point of a substance depends on pressure and is usually specified at standard pressure.

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Tungsten 3422

Platinum 1768

Titanium 1668

Silica 1600

Nickel 1455

Copper 1085

Bronze 1000

Silver 961.8

Zinc 419.5

Lead 327.5

0

500

1000

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Melting Point in C

Melting Point in C

Ten Hardest things to Melt

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METALLIC PROPERTIES

Metallic Properties are malleability and ductility. Malleability is the capability of a material to be hammered into thin sheets. Ductility is the ability of a material to be drawn into wires.

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Examples of Malleability

Gold Silver Tin

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Examples of Ductility

Copper Platinum Tungsten

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HARDNESSHardness is a measure of how resistant solid matter is to various kinds of permanent shape change when a compressive force is applied. Some materials, such as metal, are harder than others. Macroscopic hardness is generally characterized by strong intermolecular bonds, but the behaviour of solid materials under force is complex; therefore, there are different measurements of hardness: scratch hardness, indentation hardness, and rebound hardness.Hardness is dependent on ductility, elastic stiffness, plasticity, strain, strength, toughness, viscoelasticity, and viscosity.

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5 Hardest Things to Smash

Wurtzite Boron Nitride

Mineral Lonsdaleite Diamond

Graphene Obsidian

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WHAT IS CHEMICAL PROPERTIES?

A chemical property is any of a material's properties that becomes evident during, or after, a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity. Simply speaking, chemical properties cannot be determined just by viewing or touching the substance; the substance's internal structure must be affected greatly for its chemical properties to be investigated. When a substance goes under a chemical reaction, the properties will change drastically, resulting in chemical change.

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SOME CHEMICAL PROPERTIES HAVE THE FOLLOWING CHARACTERISTICS:

1. Change Odor/Smell2. Change In Color3. Form Gases4. Give off Light and Heat5. Form Precipitate6. Change In Temperature or Energy7. Change In Form

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Q&AQuestions 1) What Are the 2 Properties of Matter

Answer

Chemical and Physical Properties

2) What are the 6 types of Physical Properties?

Volume, Density, Boiling Point, Melting Point, Metallic Properties, and Hardness.

3) What are the 2 types of Metallic Properties? Malleability, and

Ductility4) What object is the Hardest thing to melt? Tungsten

5) Example of Malleability Gold, Silver, and Tin

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Q&A

Questions6) Example of Ductility

Answer

Copper, Platinum, Tungsten

7) What Object is Harder Than Diamond?

Graphene

8) Formula of Rectangle LXWXH9) Density of Air, Cork, and Mercury Air: 0.0013

Cork: 0.24Mercury: 13.6

10) Characteristics of Chemical Properties Change in Odor, Color, Form

Gases, Give off heat & light, Form Precipitate, Change in Temp. and Form

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LISTENING!