Unit 3: 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 | capacity to do work
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| Kinetic Energy | energy of motion
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| Potential Energy | stored energy
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| Chemical Energy | energy associated with chemical change (reactions)
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| Mechanical Energy | energy used to exert a force to produce motion
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| Electrical Energy | associated with electric current (flow of electrons)
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| Heat Energy | total kinetic energy of all particles of a sample. Total kinetic energy of all particles of a substance.
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| Electromagnetic energy/radiaition | energy of electromagnetic waves
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| Combustion | when something is burning
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| Exothermic reaction | reaction that releases energy (Hot)
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| Endothermic reaction | reaction that absorbs energy (Cold)
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| Activation Energy | starting energy required for a reaction to take place
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| Law of Conversation of Energy | Energy cannot be created or destroyed, only converted to different types of energy. Total energy always stays the same.
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| Temperature | average kinetic energy of particles in a substance
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| Absolute zero | lowest possible temperature
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| Calorimetry | study of heat energy
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| Kinetic Theory of Heat and Temperature | Particles are in constant motion. For all kinds of matter at the same temperature, the average kinetic energy is the same
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| Solid phase | Has a definite volume and shape
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| Liquid phase | definite volume and takes shape of container
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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.
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.
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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