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Science Vocab List

IC2 How Can I Make New Stuff from Old Stuff?

Matter anything that has mass and volume
Properties characteristics of a substance that do not depend on the amount of the substance
Mass the amount of matter in an object.
Volume the amount of space an object takes.
Observation to closely monitor something, or a phenomenon with the intention of collecting data and evidence.
Qualitative data data that are observed carefully, descriptive but are not measured. Example: the painting is a water color.
Quantitative data data that are measured and associated with numerical values and units. Example: the painting is 100 cm by 150 cm.
Ingredient substances in a mixture
Substance matter that is made of same atoms or molecules all the way through.
Atom Smallest unit of matter that has all the properties of that matter. Example: every single atom of oxygen has the same property of another atom of oxygen
Mixture made of two or more substances
Composition is the arrangement, type, and ratio of atoms in molecules of substances. Example: every molecule of water, H2O, has two atoms of hydrogen and one atom of oxygen. Every molecule of hydrogen peroxide H2O2has two of each atoms. Water and hydrogen peroxide a
Color color appearance of an object. Property.(reflection of the certain wavelength)
Odor distinct smell of a substance
Solubility the ability of a solid to dissolve in a liquid
Solution mixture formed when substance dissolves
Solvent the liquid in the solution
Solute the solid in the solution
Dissolve when solid solute disappears in the solvent
Melting point temperature at which solid turns into liquid
Milliliter metric unit for measuring liquids (1/1000 of a meter).
Milligram metric unit for measuring solids (1/1000 of a gram).
Hardness the ability of a substance to be scratched by another substance
Texture the way substance feels to the touch. Example: rough, smooth, waxy, soapy, slippery, grainy, bumpy
Shape general appearance such as a specific shape: round, square…..
Phases(states) of matter solid, liquid, gas
Density property of a substance. Product of mass divided by volume
Combine -to put two or more substances together. Physical: results in a mixture, when the original substances keep their properties and can be separated. Example: salt water. Chemical: when the properties of original substances change and new substances are made
Chemical reaction When new material are formed from old substances. The new material has different properties than the original material. It is extremely difficult, sometimes impossible to separate substances in chemical reaction. Example: wood burning. The burnt wood is t
Reactant original material that the chemical reaction started with.
Product final material formed at the end in a chemical reaction that have new properties.
Burning a chemical reaction where the original material undergoes rapid or slow combustion which often results in heat, light or flames
Created by: 22denney