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SC Vocab 2, 3, 4
Science vocabulary for chapters 2, 3, and 4
| Question | Answer |
|---|---|
| Anything that has mass and takes up space | matter |
| a measure of the size of a body or region in 3D space | volume |
| the curve at the surface of a liquid by which one measures the volume of the liquid | meniscus |
| a measure of the amount of matter in an object | mass |
| a measure of the gravitational force exerted on an object | weight |
| the tendency of an object at rest to resist change in motion | inertia |
| a characteristic of a substance that does not involve a chemical change ex: color, hardness | physical property |
| the ratio of mass to volume | density |
| a change of matter from one form to another without a change chemically | physical change |
| a property of matter that describes a substance's ability to participate in chemical reactions | chemical property |
| a change that occurs when one or more substances changes into an entirely new substance with different properties | chemical change |
| SI unit for force | newtons N |
| any pieces of information | data |
| the process of obtaining information by using the senses | observation |
| a testable idea or explanation that leads to scientific investigation | hypothesis |
| a system of ideas that explains many observations and is supported by evidence through science | theory |
| a descriptive statement or equation that reliable predicts events under certain conditions | law |
| the physical forms of matter solid, liquid, and gas | states of matter |
| state of matter where volume and shape are fixed | solid |
| state of matter with definite volume but indefinite shape | liquid |
| force that acts on liquid surface and tends to minimize its area | surface tension |
| resistance of a gas or liquid to flow | viscosity |
| a form of matter with no definite shape or volume | gas |
| change of a substance from one physical state to another | change of state |
| change of state where solid goes to liquid by adding heat | melting |
| COS liquid to gas | evaporation |
| liquid to vapor when vapor pressure=atmospheric pressure | boiling |
| COS gas to liquid | condensation |
| COS solid directly to gas | sublimation |
| a substance that cannot be separated or broken down into simpler substances by chemical means | element |
| sample of matter, either a single element or a single compound, that has definite chemical and physical properties | pure substance |
| an element that is shiny and that conducts heat and electricity well | metal |
| an element that conducts heat and electricity poorly | nonmetal |
| an element that has properties of both metals and nonmetals | metalloid |
| substance made up of atoms of two or more different elements joined by chemical bonds | compound |
| a combination of two or more substances that are not chemically combined | mixture |
| a homogeneous mixture throughout which two or more substances are uniformly dispersed | solution |
| in a solution, the substance that dissolves in the solvent | solute |
| in a solution, the substance in which the solute dissolves | solvent |
| the amount of a particular substance in a given quantity of a mixture, solution, or ore | concentration |
| the ability of one substance to dissolve in another at a given temperature and pressure | solubility |
| a mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas | suspension |
| a mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and that are suspended in a liquid, solid, or gas | colloid |
Created by:
Tsarmina
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