Science Review 7
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 are... | the smallest particle of an element.
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| The Nucleus in an atom consists of..... | protons and neutrons at the center of an atom
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| An electron shell is.... | a grouping of electrons surrounding the nucleus.
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| periods in the Periodic Table are... | each row in the periodic table going horizontal.
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| a group/family in the periodic table is... | each column in the periodic table, also showing the # of valence electrons.
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| Noble Gases are | un-reactive non-metals in group 18 or (8) of the periodic table with 8 valence electrons.
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| Valence Electrons are... | the number of electrons (-) on the outer shell.
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| Protons are.... | a positively (+) charged atom inside the nucleus.
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| Neutrons are... | a neutral charged atom (no charge) in the nucleus, contributes to mass.
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| Electrons are.... | a negatively charged (-) atom, NOT in the nucleus but in the outer shells.
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| most the volume in an atom is.... | empty space
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| Elements on the periodic tables are are arranged according to..... | an increasing number of protons.
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| the universe is... | a collection of galaxies
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| a galaxy is.... | a collection of solar systems,gas,dust,ash.
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| Red shifts are... | a drag of red; moving away
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| Blue shifts are.... | a drag of blue; moving towards.
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| Define Spiral Galaxy | a galaxy with arms coming off a central body
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| define elliptical galaxy | football shaped galaxy
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| Define Irregular Galaxy | no defined shape
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| Wavelength is...... | distance from crest to crest or trough to trough
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| frequency is.......... | how often wavelengths repeat in 1 second.
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| visible light is... | combination of RoyGBiv
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| galaxies are composed of... | dust,planets,stars,gases,meteors.
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| Infared light is..... | light outside the visible spectrum, heat sensing goggles pick up this wave.
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| an appropriate unit of measuring distance between planets.... | astronomical unit.
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| an appropriate unit of measuring the distance between stars or galaxies. | light years.
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| if a scientist adds a proton to an atom, that atom becomes a..... | new element
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| a neutron carries what charge.... | no charge
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| a motorcycle traveling at 35 mi/hr SLOWS as it approaches a stop sign, this is an example of... | acceleration
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| a bike racer travels 17 mi/hr in a southerly direction. this is an example of... | velocity. speed with direction..
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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:
cdmralal
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