Properties
Vocabulary
Chemical Changes
Physical Changes
Matter
100
What is a chemical property what is a physical property. Provide an example.
What is characteristic describing a Substances ability to change. characteristic describing a substances appearance. Chemical( Toxicity. flammability. reactivity. corrosion. combustability. radioactivity. pH) Physical (color, shape, taste, sound, shape, hardness, flexibility, texture, mass, size, volume, density, temperature, conductivity, magnetism, solubility, viscosity, boiling point, melting point)
100
Matter, Volume, Density
What is Matter: anything that has mass or takes up space. Volume: Anything that takes up space. Density: measure of the mass in any given volume.
100
What is a chemical change
What is the ability of a substance to change into a new substance
100
What is the term used to explain the ability of Koolaid to dissolve in water?
What is Solubility
100
What is Matter
Anything that has mass and takes up sapce
200
Which of the following are physical properties? ability to react with oxygen, boiling point, flammability, mass, melting point.
What is mass, boiling point, melting point
200
Define weight. Which changes from Earth to Mars, weight, mass, neither or both and why?
weight: measure of the force of gravity on an object. weight because gravitational pull changes.
200
What happens to a chemical reaction when you add heat
What is Speeds up the reaction
200
Describe the movement of particles for solid, liquid and gas.
What is Solid: compacted and close together. Liquid: move freely past each other "flow". Gas: move fast, bounce of of each other, spaced out.
200
What are the 4 states of matter- Provide an example
What is Solid, liquid, gas, Plasma
300
Sarah smells a flower, she is showing an example of which kind of property of matter?
What is Chemical property (aroma is a chemical given off by plants)
300
Substance, mixture
What is Substance: single kind of matter that is pure. Mixture: 2 or more substances that are together not chemically bonded.
300
What are 4 examples of chemical changes
What is Combustion, electrolysis, oxidation, tarnishing
300
What are the 6 physical changes?
What is Melting, boiling, freezing, condensation, sublimation, vaporization.
300
Which of the following are examples of Matter: Air, Energy, Rainbow, Desk, Information, Mars, Clouds, sound
Air, desk, Mars, Clouds,
400
Provide an example for the following. are these physical or chemical properties? Conductivity, Solubility, Viscosity
What is Conductivity: hot pot of soup to hot ladle. Solubility: koolaid in water. Viscosity: oil Physical properties
400
viscosity
Viscosity: resistance to flow.
400
The abillity of a substance to react with another substance is called? Provide and example
What is Reactivity- Water and electricity
400
Provide examples for the 6 physical changes
Melting: ice cream in heat. Boiling: water on a stove. Freezing: water to ice. Condensation: cold water bottle out side forms water bubbles on bottle. Sublimation: dry ice. Vaporization: steam
400
What state of matter is represented when molecules are moving fast and freely?
Gas
500
Provide an example for the following: Reactivity, Corrosion, Toxicity, Flammability, Combustibility, Radioactivity, pH What types of properties are these?
What is Reactivity: water and electricity. Corrosion: rusting. Toxicity: poisonous frog. Flammability: wood. Combustibility: fuel. Radioactivity: nuclear power plant, radiation. pH: acid or base Chemical properties
500
Thermal Energy, pressure
What is Thermal energy: total kinetic and potential energy of the particles in an object. Pressure: the force of the outward push of gas divided by the area of the walls.
500
Describe the 4 types of chemical changes
What is Combustion: rapid combination of fuel wit oxygen. Electrolysis: use of electricity to break a compound. Oxidation: combination of a substance with oxygen. Tarnishing: Slow combination of a bright metal with sulfur or another substance producing a dark coating.
500
Describe what happens in the 6 physical changes. (i.e Melting goes from a ____ to a ____)
What is Melting: Solid to a liquid. Boiling: liquid to a gas. Freezing: liquid to a solid. Condensation: gas to liquid. Sublimation: solid to gas. Vaporization: liquid to gas.
500
What are the differences between an amorphous solid and crystalline solid. Provide Examples of each.
Amorphous: particles do not form a regular pattern. does not melt at distinct temperature. (EX:Glass) Crystalline: Particles form a regular pattern. Melts at distinct temperature. (EX:Diamonds/table salt)