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Science Flash Cards
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- 1Name The Three States Of MatterSolid, Liquid and Gas
- 2Describe What The Particles Of A Substance Are Doing In The Different States Of Matter? (GAS)Gas:
The Particles of a Gas Substance Flow Easily, and The Particles Can Move Past One Another. - 3Describe What The Particles Of A Substance Are Doing In The Different States Of Matter? (LIQUID)Liquid:
The Particles of a Liquid Substance Flow Easily, and The Particles Can Slide Past One Another. These Particles are not Easily Compressible (Little Space Between Particles). - 4Describe What The Particles Of A Substance Are Doing In The Different States Of Matter? (SOLID)Solid:
The Particles of a Solid Substance Don't Flow Easily, and The Particles Cannot Move Past One Another. These Particles are Not Easily Compressible (Little Free Space Between Particles). - 5Name The Processes Of Changing Matter.
- 6Explain Density.Density is the process that compacts the particles that are in a liquid. It depends whether it has a high or less level of density.
- 7Explain Diffusion.Diffusion is the process when a low concentration of gases is mixed with a high concentration of gas.
- 8Explain Convection.Convection is the process when a heated molecule moves from one place to another taking the heat with them.
- 9How To Construct a Graph:
- 10Describe The Structure Of An AtomAtoms consist of electrons surrounding a nucleus that contains protons and neutrons. Neutrons are neutral, but protons and electrons are electrically charged.
- 11What Is A Homogenous Mixture?Homogeneous - Homogeneous mixtures have the same composition throughout and the individual parts of the mixture are not easily identifiable. Homogeneous mixtures are also referred to as solutions.
- 12What Is A Heterogeneous Mixture?A heterogeneous mixture is made of different substances that remain physically separate. Heterogeneous mixtures always have more than one phase (regions with uniform composition and properties). A mixture of sand and sugar is a heterogeneous mixture.
- 13What Is A Pure Substance?Pure substances are substances that contain only one kind of molecule.
- 14What Is The Difference Between An Element, Compound & Mixture? (ELEMENT)Element:
Consists of only one kind of atom,
cannot be broken down into a simpler type of matter by either physical or chemical means, and can exist as either atoms - 15What Is The Difference Between An Element, Compound & Mixture? (COMPOUND)Compound:
Consists of atoms of two or more different elements bound together, can be broken down into a simpler type of matter (elements) by chemical means (but not by physical means). - 16What Is The Difference Between An Element, Compound & Mixture? (MIXTURE)Mixture:
Consists of two or more different elements and/or compounds physically intermingled,
can be separated into its components by physical means. - 17Represent An Element Using Chemical Symbols And Formulae.Sodium:
Na
Oxygen:
O - 18Represent A Compound Using Chemical Symbols And Formulae.Sodium Chloride:
NaCl
Carbon Dioxide:
CO2 - 19Explain Difference Between Physical And Chemical Changes: (CHEMICAL)Chemical Change is when you can't put the object to it's original form.
- 20Explain Difference Between Physical And Chemical Changes: (PHYSICAL)Physical change is when you can change the object back to the original matter.
- 21How To Find Number Of Protons?Atomic Number
- 22How To Find Number Of Neutrons?Mass Number (Bottom Number) Take Away Atomic Number.
- 23STATES OF MATTER CHART:
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