physical and chemical properties and changes by jordan parkinson

Physical and Chemical Properties

andChangesBy Jordan Parkinson

What are some Physical Properties?

• Appearance – Outward or visible aspect of a person or thing

• Color - A visual attribute of things that results from the light they emit or transmit or reflect

• Temperature - The degree of hotness or coldness of a body or environment

• Texture - The feel of a surface or a fabric• Odor - The property or quality of a thing that affects,

stimulates, or is perceived by the sense of smell• Melting Point - The temperature below which a liquid

turns into a solid• Boiling Point - The temperature at which a liquid boils

at sea level

Examples of Physical Property

• Appearance – The desk had round corners and a square top• Color – The rainbow has many shades of color reflected

from rain in the sun• Temperature – The river was very cold when I felt it with my

feet• Texture – The shagged rug had a smooth and soft feel to it• Odor – The skunk smelled so bad after it sprayed something

near our camp• Melting Point – The ice began to melt after taking it out of

the freezer because the room temperature was 75 degrees• Boiling Point – The water began to boil at about 212 degrees

Fahrenheit

What are some Chemical Properties?

• Flammability - The quality of being easily ignited and burning rapidly

• Toxicity - The degree to which something is poisonous• Oxidation - The combination of a substance with

oxygen• pH Indicator - A substance that indicates the

degree of acidity or basicity of a solution through characteristic color

• Reactivity - The tendency of a substance to undergo chemical reaction, either by itself or with other materials

Examples of Chemical Property

• Flammability – The gas we used to start the fire ignited fast because it is extremely flammable

• Toxicity – The smoke in the air was extremely toxic because it hurt in our lungs when we breathed

• Oxidation – The nail began to rust after sitting in a bucket of water

• pH Indicator – The cherries are red due to their acidic level but would be blue to purple in a basic solution

• Reactivity – The plants in the front room grew faster than the plants in the TV room because the front room allows more direct sunlight to the plants

What are some Physical Changes?

• Physical Change - a change from one state (solid or liquid or gas) to another without a change in chemical composition

• Absorption of water into a towel

• Crumpling of a piece of paper

• Pulling copper into a thin wire (change of shape)

Physical Changes Con’t• Cutting wood apart

• Tearing a piece of tin foil

• Breaking glass

• Deflating a basketball

• Cloud forming in the sky

What are some Chemical Changes?

• Chemical Change - A rearrangement of the atomic array of matter which results in a change of physical properties

• Burning of a log wood

• Oxidation – rusting or tarnishing

• Combustion

• Mixing chemicals

Chemical Changes Con’t

• Rotting of fruit

• Cooking rice

• Explosion of fireworks

• Lighting a match

Chemical Changes Con’t

• Roasting a marshmallow

• Adding food coloring to icing

• Frying a egg