Seventh Grade Science 4
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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| Atoms | The tiny particles that are the building blocks of all chemical elements.
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| Element | A pure chemical substance that has all the same type of atoms. These substances can be found on the Periodic Table.
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| Molecules | The building blocks of all substances, except the elements. These are made up of atoms joined by bonds (attractive forces between positive and negative electrical charges).
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| Nucleus | The center or core of an atom that is made up of protons and neutrons (Nuclei is more two or more).
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| Nuclear Reaction | The breaking apart or joining together of nuclei within atoms.
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| Heat Energy | The energy involved in the movement of atoms and molecules
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| Light Energy | The energy involved in the motion of electromagnetic waves.
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| Amplitude | The distance from the rest position to the maximum arc of a wave. This is related to the height of the wave.
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| Wavelength | The distance between two corresponding parts of a wave. For example, the distance from one crest to the next crest (or trough to trough).
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| Frequency | The number of waves that pass a given point in a certain amount of time.
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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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Created by:
crookse
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