8 Sci Ch 1 Test 1
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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| aquifer | area of ground water collected in a layer of rock or soil
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| artesian well | "self-pumping" well
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| atoms | most basic units of matter
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| basic | substance having a pH of 8
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| bedrock | layer of solid rock below the soil
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| capillarity | upward movement of water through a tiny space in response to surface tension
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| compounds | substances composed of two or more elements bonded together
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| data | facts
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| decompose | breakdown of organisms' particles
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| density | measures how tightly packed matter
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| elements | substances composed of only one type of atom
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| humus | substance composed of decayed organisms particles
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| hypothesis | sensible explanation to a scientific problem
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| law | theory that has never been proven false
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| loam | type of sol that contains a mixture of sand, silt, clay & humus
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| mass | measures the amount of matter in an object
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| matter | substance of the physical world
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| mineral | any soil material primarily derived from nonliving matter
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| nitrates | formed by lightning, nitrifying bacteria and nitrogen-fixing bacteria
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| nitrogen | nutrient in soil that stimulates rapid growth of leaves , giving plants a green color
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| nodules | allow nitrogen-fixing bacteria to form swellings on roots of legumes
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| organic | any soil material primarily derived from living organisms
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| pedology | study of soil
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| pH scale | scale used to measure acidity and bascity of substances
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| phosphorus | nutrient in soil that is necessary for cell division & growth and also promotes plant maturation. Helps fruit "firm up"
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| pore spaces | air pockets found in the soil
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| potassium | primary plant food element found in the ashes of burned fruits, encourages root growth & fruit formation
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| recycling | reusing old materials
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| sand | substance in soil that allows water to drain
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| saturated | when spaces in soil become completely filled with water
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| science | study of the matter & movement of God's physical creation
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| topsoil | top 2 to 6 inches of soil
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| variable | condition present only in an experimental group, only one for each experiment
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| water table | upper surface of ground water
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| weathering | process that breaks rocks down into soil
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| weight | measures the pull of gravity on an object
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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:
Mrs_CC
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