Vocabulary for Chap 2 Life Science - 6th Grade
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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| microscope | tool that makes things look larger than they really are
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| lens | piece of curved glass or other clear material that causes light rays to come together or spread apart as they pass through
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| cell | basic unit of structure and function in living things
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| cell membrane | thin structure that surrounds a cell
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| cytoplasm | gel-like substance inside the cell where most of the cell's activities take place
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| nucleus (nuclei) | control center of a cell
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| nuclear membrane | thin structure that surrounds and protects the nucleus
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| organelle | small structure in cytoplasm that does a special job
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| mitochondrion (mitochondria) | structure that releases energy for a cell
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| endoplasmic reticulum | small network of tubes inside a cell that substance move along
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| ribosome | small, round structure that makes proteins
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| Golgi body | organelle that packages and sends materials to other places in the cell
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| vacuole | space in the cytoplasm stores the different substances a cell needs to survive
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| lysosome | small, round structure that breaks down nutrient molecules and old cell parts
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| cell wall | thick outer layer that surrounds the cell membranes of plants and some simple organisms
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| cellulose | carbohydrates, made up of man sugar molecules, that forms most of the cell wall of a plant cell
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| chloroplast | organelle in a plant cell that contains chlorophyll
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| chlorophyll | green material in chloroplasts that is needed by plants to make food
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| unicellular | containing only one cell
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| multicellular | containing more than one cell
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| pseudopod | fingerlike extension of the sytoplasm
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| guard cell | cell that controls the size of a stoma
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| stoma (stomata) | tiny opening in the upper or lower surface of a leaf
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| diffusion | movement of material from an area where molecule are crowded to an area where they are less crowded
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| passive transport | movement of materials through a membrane without the use of energy
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| osmosis | movement of water through a membrane
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| active transport | movement of materials through a membrane using energy
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| energy | the ability to do work or cause change
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| photosynthesis | food-making process in plants and other organism that uses sunlight
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| glucose | a simple type of sugar
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| fermentation | process by which a cell releases energy from food without using oxygen
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| chromosome | cell part that determines what traits a living thing will have
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| chromatin | threadlike material that makes up a chromosome
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| mitosis | division of the nucleus
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| daughter cell | new cell produced by cell division
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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.
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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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