Science Flash Cards

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Science Test Flash Cards, To Help Provide An Easier Studying Task.
Em Roberts
Flashcards by Em Roberts, updated more than 1 year ago
Em Roberts
Created by Em Roberts over 7 years ago
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Resource summary

Question Answer
Name The Three States Of Matter Solid, Liquid and Gas
Describe 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.
Describe 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).
Describe 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).
Name The Processes Of Changing Matter.
Explain 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.
Explain Diffusion. Diffusion is the process when a low concentration of gases is mixed with a high concentration of gas.
Explain Convection. Convection is the process when a heated molecule moves from one place to another taking the heat with them.
How To Construct a Graph:
Describe The Structure Of An Atom Atoms consist of electrons surrounding a nucleus that contains protons and neutrons. Neutrons are neutral, but protons and electrons are electrically charged.
What 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.
What 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.
What Is A Pure Substance? Pure substances are substances that contain only one kind of molecule.
What 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
What 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).
What 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.
Represent An Element Using Chemical Symbols And Formulae. Sodium: Na Oxygen: O
Represent A Compound Using Chemical Symbols And Formulae. Sodium Chloride: NaCl Carbon Dioxide: CO2
Explain Difference Between Physical And Chemical Changes: (CHEMICAL) Chemical Change is when you can't put the object to it's original form.
Explain Difference Between Physical And Chemical Changes: (PHYSICAL) Physical change is when you can change the object back to the original matter.
How To Find Number Of Protons? Atomic Number
How To Find Number Of Neutrons? Mass Number (Bottom Number) Take Away Atomic Number.
STATES OF MATTER CHART:
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