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Science Review
Science Review - All Year
| Question | Answer |
|---|---|
| Mechanical energy | energy of motion |
| Electrical energy | electrons flowing in a closed circuit |
| Light energy | energy that can be seen |
| Thermal energy | heat energy |
| Sound energy | energy produced by vibrations that can be heard |
| Series circuit | One path, all bulbs will go out |
| Parallel circuit | Two or more paths, only some bulbs may go out |
| Closed circuit | electricity CAN flow |
| Open circuit | electricity CANNOT flow |
| The wire must be connected to | both sides of battery and lightbulb |
| Positive end of battery must connect to (opposites attract) | negative end of battery |
| Reflection | light bounces (example: mirror) |
| Refraction | light bends, breaks, or looks smaller or bigger (example: magnifying glass, prism) |
| Measures force in Newtons | spring scale |
| Friction | an opposing force |
| Force | push or pull |
| High amount of friction | rough surfaces (example: carpet) |
| Low amount of friction | smooth surfaces (example: wax paper) |
| Weathering | breaking down rock |
| Erosion | moving rock |
| Deposition | dropping rock |
| Compaction | pressing down on rock |
| Cementation | gluing rock together |
| Desert arches | wind weathering |
| Canyons/V-Shaped Valleys | water weathering |
| U-Shaped Valleys | ice weathering |
| Sand dunes | wind deposition |
| Deltas | water deposition |
| Coal | formed in swamps over millions of years from plants |
| Oil and Natural Gas | formed in oceans over millions of years from marine fish and plants |
| What is a producer? | An organism that makes energy with sunlight |
| What is a consumer? | An organism that gains energy from eating other organisms |
| What is a decomposer? | An organism that breaks down the remains of other organisms |
| What is the source of all energy in an ecosystem? | The sun |
| What is a herbivore? | An organism that eats only plants |
| What is an omnivore? | An organism that eats plants and animals |
| What is a carnivore? | An organism that eats only meat |
| What is a predator? | An animal that hunts other animals |
| What is prey? | An animal that IS hunted by other animals |
| What do the arrows show in a food chain? | Arrows show the direction that the energy flows |
| What is the photosynthesis? | The process in which plants take in sunlight to create energy |
| What are examples of non-living things? | Air, Sunlight, Water Rocks |
| What are examples of living things? | Plants and Animals |
| Characteristics of the Sun | Gas, begins the water cycle, produces light, has an atmosphere |
| Characteristics of the Moon | Solid, reflects light, lacks a strong atmosphere |
| Characteristics of the Earth | Solid, reflects light, atmosphere, living organisms |
| What is the size of the moon compared to Earth? | 1/4 of the size |
| What is one similarity between the Earth and Moon? | Both have craters |
| Does the Sun have more or less gravity than Earth? | More gravity |
| Why can the Earth be seen from space? | "The Earth reflects light from the sun |
| What would happen if the Earth rotates more slowly? | The day would be longer. |
| What happens if the Earth rotates more quickly? | The day would be shorter. |
| Why does the sun appear to move across the sky each day? | Rotation |
| Why do shadows occur on the Earth? | Rotation |
| What does Earth do when it rotates? | Earth spins |
| What does Earth do when it revolves around the sun? | Earth orbits |
| What direction does the Sun rise in? | East |
| What direction does the Sun set in? | West |
| What causes seasons to change on Earth? | Earth's tilt on axis and revolution |
| What does revolution and Earth's tilt cause? | Seasons |
| What does rotation cause? | "Day/Night |
| What season are shadows longest? | Winter |
| When seasons are shadows shortest? | Summer |
| What is the order of the seasons? | "Winter |
| Do all planets have the same length of rotation? | No |
| Solar energy | Energy from the Sun |
| Effect of solar energy on the Ocean | Water evaporates |
| Evaporation | the change from a liquid to a gas |
| What causes evaporation? | the Sun's heat energy |
| Where does water vapor move when heated by the sun? | Water vapor rises |
| Examples of evaporation | The sun heats the ocean, the sun heats a pond or lake |
| What are all the parts of the Water Cycle? | Evaporation, condensation, precipitation, runoff, transpiration |
| What is the correct order of the Water Cycle? | Evaporation, condensation, precipitation |
| Where does condensation occur? | in the clouds |
| What keeps the water cycle moving? | Energy from the sun |
| What changes about water during the water cycle? | Water changes state of matter |
| What is weather? | daily changes in the air conditions |
| What is climate? | Yearly changes in the air conditions |
| Long term | Climate |
| Short term | Weather |
| Words to describe weather | Today, this week, tomorrow, daily, right now |
| Words to describe climate | Always, usually, annually, average, yearly, 30 years |
| Relative Density | If an object will sink or float when placed or mixed in water |
| Conductor | A material that allows electrical or heat energy to flow |
| Insulator | A material that does not allow electrical or heat energy to flow |
| Materials that are magnetic | Steel, Iron, Nickel, Cobalt |
| Soluble | Able to dissolve in water, particles break apart and cannot be seen |
| Mixture | Two or more ingredients that keep their physical properties |
Created by:
bgalley
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