Science Explosion 05 Word Scramble
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Question | Answer |
Organism | a complete living thing |
Life span | process of birth, growth, reproduction and death |
Life cycle | life span |
Environment | surroundings |
Energy | ability to do work |
Cell | tiny unit of living material surrounded by a thin membrane |
Cell theory | theory that all living things are made of cells |
Microscope | uses lenses to magnify objects |
Specimen | object looked at under a microscope |
Slide | glass plate on which specimen is placed |
Unicellular | an organism consisting of one cell |
Multicellular | an organism consisting of many specialized cells |
Tissue | a group of cells working together |
Organ | different types of tissue working together; an example is the heart |
System | group of organs working together; an example is the circulatory system |
Cell membrane | a cell’s external boundary for the material inside the cell |
Cytoplasm | a jellylike substance made mostly of water and containing many substances, such as proteins and fats, that are essential to the cell |
Organelle | a tiny structure inside the cytoplasm of most cells that helps carry out the function of the cell |
Nucleus | a large organelle that contains the chromosomes |
Chromosome | tight bundles of DNA; usually found in the nucleus of a cell |
Mitochondria | the cell’s engine; responsible for breaking down the cell’s food and releasing energy |
Endoplasmic reticulum (ER) | the cell’s system of passageways that allows material to move from one part of the cell to another |
Ribosome | makes proteins that the cell needs |
Vacuole | a bubble-like organelle in cells; generally used for storage |
Cell wall | a rigid structure that provides support for some kinds of cells |
Chloroplast | organelles that contain chlorophyll; organelles in which photosynthesis takes place |
Chlorophyll | a green pigment that absorbs energy from sunlight and uses it to produce food and energy for the plant |
Cytologist | a scientist who studies cells |
Cell division | process where a cell divides into 2 cells |
Mitosis | division process where 2 new cells are created which are identical to the parent cell |
Sexual reproduction | process of creating new life from 2 parent cells |
Meiosis | process where chromosomes duplicate once and cells divide twice |
Criteria | A standard, rule, or test on which a judgment or decision can be based |
Classification | way of organizing organisms according to characteristics; Kingdom -> Phylum -> Class -> Order -> Family -> Genus -> Species |
Bacteria | smallest living thing known to man, unicellular, live in colonies |
Colony | group of bacteria |
Protozoan | the more animal-like organisms in the kingdom Protista; able to move around and often live in water |
Algae | plantlike organisms in Kingdom Protista; usually can perform photosynthesis and are not mobile |
Leaven | yeast |
Photosynthesis | process used by plants to convert sunlight (energy) to a usable source of energy (sugar) |
Common name | a widely recognized name |
Kingdom | broadest category of living things |
Phylum | primary division under each Kingdom |
Class | the groups that the phylum is broken down into |
Order | the third grouping under Kingdom; further divides the class |
Family | Order breaks into the classification of family |
Genus | the first name in a scientific name |
Species | the second name in a scientific name |
Scientific name | unique to each organism; 2 parts-the Genus name and the species name Example: Canis familiaris (dog) |
Created by:
MrsDunham
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