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Unit 6 Lessons 1-3
Force, energy, work, energy transfer
| Question | Answer |
|---|---|
| The use of force to move an object a distance. W = Fd | Work |
| The amount of matter in an object or substance. | Mass |
| Measurement from one place to another. | Distance |
| Force that opposes the sliding motion between two touching surfaces | Friction |
| Devices that reduce the amount of force needed, but do not reduce the amount of work being done. | Simple Machines |
| A simple machine that is sloping at a particular angle. | Inclined Plane (Ramp) |
| Force on an object that does not change the motion of the object. | Balanced Forces |
| A push or pull that changes the motion or position of an object. | Force |
| The sum of all the forces acting on an object. | Net Force |
| A change in an object's position, direction, or location | Motion |
| Pressure of water molecules against the cell wall that allows plants to stand up straight. | Turgor Pressure |
| A plant's growth in response to the force exerted upon them by gravity. | Geotropism |
| Force on an object that cause change in the motion of the object. | Unbalanced Forces |
| A change in the form of energy in a system. | Transformation of Energy |
| Energy used by the organism to do work (energy of motion) | Mechanical Energy |
| Energy generated by the organism when work is done and used by the organism to maintain a constant temperature. | Thermal Energy |
| Energy stored within the bonds between atoms and molecules and is obtained from a chemical reaction or change. | Chemical Energy |
| Solar energy converted to chemical energy by photosynthesis is | Chemical Energy |
| What holds the atoms together in molecules | Chemical Bond |
| The process by which chemical energy contained in the bonds of the food molecules break down and are converted to mechanical and thermal energy is ... | Digestion |
| A chemical reaction during which plants convert energy from the sun to chemical energy. | Photosynthesis |
| Contains organic carbon and possibly oxygen, hydrogen, nitrogen, phosphorus, and/or sulfur | Organic Compounds |
| To break down or decompose | Decay |
| Organisms that breakdown dead organisms. | Decomposers |
| Examples of decomposers | Bacteria, fungi, earthworms |
| A container for piles of biomass to promote decomposition and decay | Compost Bin |
| Material composed living or recently living organic molecules containing hydrogen, carbon, often nitrogen and other atoms | Biomass |
| the movement of nitrogen from the nonliving environment into living things and back | Nitrogen Cycle |
| The movement of carbon from the nonliving environment into living things and back | Carbon Cycle |
| An energy path from one organism to another in sequence. | Food Chain |
| Overlapping food chains with different pathways for the flow of food energy in an ecosystem | Food Web |
| Animals that eat only plants. | Herbivores |
| Animals that eat other animals. | Carnivores |
| Orgainsms that transform energy from the sun and use carbon dioxide and water to make food | Producers |
| Organisms that eat producers or other consumers to obtain energy | Consumers |
| Organisms that get their energy by feeding on producers | Primary Consumers |
| Organisms that eat primary consumers | Secondary Consumers |
| Organisms that get their energy only by eating secondary consumers | Tertiary Consumers |
| A tool that shows how much energy transfers to the next level in a food chain. | Energy Pyramid |
| How much energy is transferred to each trophic level? | 10% |
Created by:
lmsraiders
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