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8th Grade TAKS vocab
| Question | Answer |
|---|---|
| What makes their own food (grass) | Producers |
| What eats producers? (deer) | Consumers |
| What makes waste reusable (mushroom) | Decomposers |
| Organisms of the same kind that can reproduce fertile off-spring | Species |
| A community of organisms and abiotic (nonliving) environment | Ecosystems |
| Balance or ability to maintain balance | Equilibrium/Homeostatis |
| Slow process by which ecosystems change and develop over time | Ecological succession |
| Genetic material for passing on traits; contained in the nucleus of the cell | DNA |
| A messaging system that the body uses to maintain homestasis | Feedback Mechanisms |
| Distinguising 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 a parent to its offspring through genes | Inherited |
| Substances made up of two or more elements | Compounds |
| A property of matter that describes the way a substance reacts with other substances to form NEW substance with different properties | Chemical Properties |
| A simple machine made with a bar free to move about a fixed point called a fulcrum | Lever |
| A simple machine that can change the direction of a force or it can change the amount of force | Pulley |
| Cause change in speed or direction | Unbalanced Forces |
| The distance between any two similar points along a wave | Wavelength |
| The maximum distance of a wave as measured from the crest to their at rest position | Amplitude |
| The number of waves that pass a single point in a given amount of time | Frequency |
| A chemical reaction in which heat energy is released, you can feel the warmth | Exothermic |
| A chemical reaction which absorbs heat energy; you can feel the coolness | Endothermic |
| The 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 (ex:, sun sending heat to Earth) | Thermal energy |
| The energy which is possessed by an object due to its motion or due to its position; either kinetic or potential energy | Mechanical energy |
| The energy released from chemical reactions | Chemical energy |
| Energy at rest, stored energy | Potential energy |
| The energy of moving electrons, the primary source of energy used in our homes | Electrical energy |
| Energy in motion | Kinetic energy |
| Resources that can be replaced in a persons life EX: trees, water | Renewable |
| The process which wind, water, ice and gravity remove and transport material from one place to another | Erosion |
| Resource that cannot be replaced once it is consumed EX: fossil fuels (coal, oil, natural gas) | Nonrenewable |
Created by:
jsteffek
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