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SCI TAKS VOCAB
8th
| Question | Answer |
|---|---|
| ? Makes their own food. (grass). | producers |
| ? Eats producers. (deer) | consumers |
| ? Makes waste reusable. (mushroom) | decomposers |
| ? Organisms of the same kind that reproduce fertile off-spring. | species |
| ? Community of organisms in an abiotic (non-living) environment. | ecosystems |
| ? Balance or ability to maintain balance. | equilibrium/homeostatis |
| ? Slow process of ecosystems change and development over time. | ecological succession |
| ? Genetic material for passing on traits found in the nucleus of the cell. | DNA |
| ? Messaging system used by the body to maintain homeostatis. | feedback mechanisms |
| ? Distinguishing features passed on to offspring. | traits/characteristics |
| ? Characteristics of a substance that can be observed or measured without changing the composition. | physical properties |
| ? Characteristics that are passed from parent to offspring through genes. | ihherited |
| ? Substances made of two or more elements. | compounds |
| ? Describes the way a substance reacts with other substances to form a NEW substance with different properties. | chemical properties |
| ? A simple machine with a bar able to move about a fixed point (fulcrum). | lever |
| ? A simple machine able to change the direction or amount of a force. | pulley |
| ? Causes change in speed or direction. | unbalanced forces |
| ? Distance between any two similar points along a wave. | wavelength |
| The maximum distance of a wave as measured from the crest to rest position. | amplitude |
| ? Number of waves that pass a single point in a given amount of time. | frequency |
| ? Chemical reaction releasing heat energy. Feels warm. | exothermic |
| ? Chemical reaction absorbing (taking-in) heat energy. (Feels cool.) | endothermic |
| ? Process by which water, ice, wind, and heat act to break down rocks. | weathering |
| The act of depositing and layering down of matter by a natural process. | deposition |
| ? Heat energy such as sun sending heat to Earth. | thermal energy |
| ? Energy of an object due motion (kinetic) or position (potential) of the object. | mechanical energy |
| ? Energy released from chemical reactions. | chemical energy |
| ? Energy at rest. Stored energy. | potential energy |
| ? Energy of moving electrons. A primary source of energy used in our homes. | electrical energy |
| ? Energy in motion. | kinetic energy |
| ? Resources that can be replaced during a person’s life such as trees and water. | renewable |
| ? Process removing and transporting material from one place to another by wind, water, ice, and gravity. | erosion |
| ? Resource that cannot be replaced once it is used such as fossil fuels - coal, oil, natural gas. | nonrenewable |
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