Teas Science
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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| Acid | any compound with hydrogen ion activity greater than water (ph<7)
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| Acidic solutions | solutions that have a ph scale value less than 7
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| Activation energy | energy necessary for a chemical reaction to occur
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| Adaptation | increase from generation to generation of alleles of genes that allows a species to survive in their environment
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| Adenosine triphosphate | cellular fuel; produce in the mitochondria
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| Alkane | hydrocarbon with only single bonds
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| Alkene | hydrocarbon with one double bond
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| Alkyne | hydrocarbon with one triple bond
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| Alleles | two or more different forms of a certain gene
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| Anion | atom or molecule with a negative charge
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| Atom | smallest part of an element that still retains all the original properties of the element
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| Atomic mass | number of protons in the nucleus of the chemical element; the number of protons that defines a specific atom
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| Atomic number | number of protons in the nucleus of the chemical element; the number of protons that defines a specific atom
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| Autotroph | organism that is able to produce its own food
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| Axon | part of the nerve cell that carries impulses away from the cell body and connects one neuron with another neuron over a synapse
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| Base | any compound with hydrogen ion activity less than water (ph>7)
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| Basic solutions | solutions that have a pH scale value greater than 7
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| Binomial nomenclature | two-word naming system that includes the universally accepted genus and species of each organism; developed by Carolus Linnaeus
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| Catalyst | substance that controls the rate of a chemical reaction
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| Cation | atom or molecule with a positive charge
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| Cell | basic unit of all life
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| Cell wall | outside, rigid layer that helps separate the inside and outside of prokaryotic and plant cells
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| Celsius | metric temperature scale defined by melting point of ice (0 Celsius) and the boiling point (100 Celsius)
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| Centrosome | microtubule organizing center that helps to form and organize the mitotic spindle during mitosis
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| Charge | positive or negative distribution within an object
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| Charles Darwin | evolutionary biologist who studied wild life on the Galapagos islands in the 1800s and wrote "On the Origin of Species" in which he explained adaptation and natural selection
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| Chemical bonding | chemical attraction of atoms due to their electron arrangement
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| Chemical reaction | dynamic event that alters the chemical makeup of of a molecule; a process that chemically transforms a set of substances into set
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| Chemotaxis | release of chemicals by damaged cells that attract whit blood cells
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| Chlorophyll | green pigment in plant
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| Chloroplast | organelle that contains chlorophyll and is found in plants: used to carry out photosynthesis
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| Chromatid | one of a pair of newly duplicated chromosomes that are still attached to one another; a pair of matching "sister" chromatids make up the duplicated chromosome
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| Chromosomes | condensed, singke very long strands of DNA double helix located in the nucleus of a cell and containing hundreds of genes
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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.
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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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