Ch 1 lesson 2 vocab
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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law of conservation of energy | says that energy can be transformed from one form to another but it cannot be created or destroyed.
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energy transfer | when energy moves from one object to another without changing form.
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energy transformation | when one form of energy is converted to another form of energy.
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work | is the transfer of energy that occurs when a force makes an object move in the direction of the force and when this happens work is the only thing that is happening.
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open system | is a system that exchanges matter or energy with the environment.
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closed system | is a system that does not exchange matter or energy with the environment.
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renewable energy resource | is an energy resource that is replaced as fast as it is used mabye faster than it is used.
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nonrenewable energy resource | an energy resource that is available in limited amounts or that is used faster than it is able to replace itself in nature.
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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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