Unit 2: Vocabulary and Concepts of Matter & Energy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Energy Transfer | Different forms of energy can be transferred from place to place by radiation, conduction, or convection.
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| Heat Transfer | The transfer of thermal energy from one object to another.
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| States of Matter | Can be in the form of solid, liquid, gas, and plasma.
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| Conduction | The passing of heat through a material while the material itself stays in place.
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| Convection | The flow of heat through a liquid or a gas, causing hot parts to rise and cooler parts to sink.
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| Radiation | The giving off of infrared rays through space, like sun light.
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| Kinetic Energy | The energy of any moving object.
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| Potential Energy | Stored energy.
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| Atoms | The smallest unit of an element that retains the properties of that element. The smallest particles that make up all matter.
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| Molecules | A group of more than one atom joined together that acts like a single particle. A combination of two or more atoms.
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| Mass | The amount of matter an object contains; measured in the unit grams on a triple beam balance.
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| Closed System | A contained or isolated environment without influence or interaction with outside environments (like the inside of a sealed jar).
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| Transformation | To change from one phase to another through the process of freezing, melting, boiling or condensation.
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| Matter | Anything that has mass and takes up space.
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| Mechanical Systems | An arrangement of parts that work together.
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| Motion | The movement of molecules. This increases with temperature.
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| Solid | A form of matter that has a definite shape and takes up a definite amount of space, like a book.
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| Liquid | A form of matter that does not take up a definite amount of space and has no definite shape, like water.
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| Gas | A form of matter that takes up a definite amount of space and has no definite shape, like air.
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| Phase Change | Processes such as freezing, melting, evaporation (boiling point), condensation, are all examples of this.
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| Plasma | State of matter that exists under the conditions of high temperature and pressure, like a star.
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| Calorie | Unit of heat, defined as the amount of heat needed to raise the temperature of one gram of water one degree Celsius.
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| Joule | The metric unit of work; equal to one Newton-meter.
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| Melting Point | The particular temperature for each substance at which it changes state from a solid to a liquid.
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| Boiling Point | The particular temperature for each substance at which it changes state from a liquid to a gas.
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| Condensation | The changing of a gas into a liquid.
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| Freezing Point | Also known as the melting point, that temperature at which a substance changes state, either from a liquid to a solid or from a solid to a liquid.
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| Evaporation | The slow changing of a liquid into a gas.
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| Sublimation | Change of phase from a solid to a gas.
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| Proton | The positive charge in an atom
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| Conservation of Energy | Energy can be transferred through radiation, convection, and conduction, but there is no net loss or gain of energy lost or gained in the transfer.
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| Energy | The ability to do work or to make things change.
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| Electron | The negative charge orbiting around the nucleus of an atom.
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| Neutron | Found in the nucleus of an atom, this particle has no charge.
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| Nucleus | The center of an atom, contains both protons and neutrons.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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