Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
yearly review
| Term | Definition |
|---|---|
| wave | Any disturbance that transmits energy through matter or empty space |
| medium | Substance through which a wave can travel |
| vibration | complete back & forth motion of an object |
| lontitudinal wave | Waves that need a medium |
| electromagnetic wave | Waves that transfer energy without a medium |
| transverse wave | Waves where particles vibrate in an up & down motion, perpendicular to the direction of the wave |
| compression | When particles crowd together in a longitudinal wave |
| trough | The lowest point between each crest |
| crest | the highest point of a transverse wave |
| rarefraction | area where particles in a longitudinal wave are spread apart |
| mechanical wave | wave that needs a medium |
| amplitude | maximum distance the particles of a waves' medium vibrate from their rest position |
| frequency | number of waves produced in a given amount of time |
| wavelength | distance from any point on a wave to an identical point on the next wave |
| wave speed | the speed at which a wave travels through a medium |
| reflection | bouncing back of a wave |
| transparent | matter that allows light to pass through and produce an image. You can see through |
| transluscent | matter that allows light but not an image to come through |
| opaque | matter that does not allow light or an image to pass through. You can not see through it. |
| refraction | bending of a wave |
| diffraction | change in direction of a wave |
| loudness | the extent to which you can hear a sound |
| pitch | how high or low a sound is |
| iris | colorerd part of the eye |
| cornea | membrane that protects the eye |
| middle ear | this is where the stirrup, anvil, and hammer are found |
| smooth, hard surface | this type of surface is best for reflecting |
| color deficiency | color blind |
| atom | smallest part of an element |
| 100 | this is about the number of elements on the periodic table |
| element | substances that can not be separated into simpler substances by chemical means |
| solid | state of matter that has a definite shape and volume |
| liquid | state of matter that has definite volume but not definite shape |
| gas | state of matter without definite shape or volume |
| volume | amount of space matter takes up |
| mass | amount of matter an object has |
| matter | anything that takes up space |
| spread apart and move faster | what happens as atoms are heated |
| solubility | property of a solute to dissolve |
| energy | the ability to do work |
| kinetic energy | energy of motion |
| potential energy | stored energy |
| mechanical energy | energy of motion and position (potential and kinetic) |
| thermal energy | energy related to temperature |
| electrical energy | energy of moving electrons |
| heat | energy transferred between two objects of different temperatures |
| warmer to cooler | how does heat travel |
| conduction | transfer of energy from one object to another by direct contact |
| convection | transfer of thermal energy by circulation of liquid or gas |
| radiation | transfer of energy as electromagnetic waves |
| ultraviolet rays | when your body absorbs them, you become warmer |
| rotation | spin of a body on its axis that causes day and night |
| orbit | path a body follows as it travels around another body in space |
| revolution | one complete trip along an orbit that takes about a year |
| ellipse | an elongated circle |
| Newton | described force of gravity |
| inertia | this is why the moon doesn't crash |
| Earth's tilt and revolution around the sun | this causes seasons |
| support life | because Earth has liquid water, an atmosphere and reasonable temperatures, it can do this |
| new moon | phase of moon where it is not visible |
| waxing | when the moon appears to be getting larger in the sky |
| waning | when the moon appears to be getting smaller in the sky |
| lunar eclipse | Earth comes between the sun and moon |
| solar eclipse | when the moon comes between the Earth and sun |
| eclipse | when the shadow of one celestial body fall on another |
| a month | It takes about this long for the moon to go through its cycles |
| tides | daily changes in the level of the oceans |
| high tides | places where the oceans bulge |
| tidal range | difference between levels of ocean water at high tide and low tide |
| spring tide | largest daily range occurring at full moon and new moon |
| neap tide | smallest daily tidal range occurring during 1st and 3rd quarter |
| Side facing the moon | this is the part of the Earth that the moon has the strongest pull on |
| crust | thin layer of hard rock that is the thinnest layer of the Earth that is also the least dense |
| Core | innermost layer of the Earth made of iron and nickel that is the densest layer. |
| mantle | thickest layer of the Earth that is made out of soft material |
| nitrogen and oxygen | Earth's atmosphere is made up mostly of these two elements |
| oceanic and continental | The crust is divided into these two plates |
| plate tectonics | the shifting of the Earth's plates |
| subduction | when one plate is forced under another plate |
| fault lines or plate boundaries | where you find most earthquqkes and volcanoes |
| lava | molten rock that has erupted from a volcano |
| magma | molten rock inside a volcano |
| seismology | the branch of science that studies earthquakes |
| P waves | the fastest waves that travel back and forth |
| S waves | second waves to arrive |
| surface waves | slowest waves that cause the most damage from an earthquake |
| divergent boundary | when plates pull apart from each other |
| convergent boundary | when plates run into each other |
| transform boundary | when plates slide past each other |
| richter scale | measures the magnitude of earthquakes |
| soil | a loose mixture of rock fragments, organic material, water and air that can support plant growth |
| parent rock | a rock formation that is the source of the soil |
| bedrock | layer of rock beneath the soil |
| soil structure | the arrangement of soil particles |
| soil fertility | soil's ability to supply nutrients to a plant |
| soil horizons | layers of horizontal rock |
| transpiration | the loss of water through a plant's leaves |
| erosion | the transporting of soil by wind, water. or other means |
| terracing | using a stair step approach on a hill for planting crops to prevent erosion. |
| countour plowing | plowing diagonally on hills to prevent erosion |
| crop roation | method farmers use to reduce nutrient depletion by planting different crops year after year. |
| photosynthesis | process by which plants make food by taking in carbon dioxide and expelling oxygen |
| cellular respiration | process in which cells use oxygen to get energy |
| petal | the colorful part of the flower |
| pistil | the female reproductive part of a flower |
| stamen | the male reproductive part of a flower |
| anther | top of the stamen where pollen is found |
| sepal | modified leaves that protect the flower |
| ovary | eggs are found in this part of the flower |
| humus | dark organic material that is the remains of plant snd animals. |
| chlorophyll | green pigment that absorbs energy in plants |
| stoma | opening in a leaf's epidermis & cuticle |
| pangaea | the name given to the continents when they were supposedly connected as one giant super continent |
| ecology | the study of the interactions of living organisms with one another in the environment |
| biotic | describes living factors in the environment |
| abiotic | describes nonliving part of the environment |
| population | a group of organisms of the same species that live in a specific area |
| community | all of the populations of species in the same habitat that interact with each other |
| ecosystem | a community of organisms and their abiotic environment |
| biosphere | part of Earth where life exists |
| herbivore | organism that eats only plants |
| carnivore | organisms that eats only animals |
| omnivore | organism that eats both plants and animals |
| producers | make their own food (plants) |
| consumers | eat to make energy |
| decomposers | break down the tissue of dead organisms (fungi, mushrooms, bacteria) |
| food chain | pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms |
| food web | diagram that shows the feeding relationships between organisms in an ecosystem |
| energy pyramid | triangular diagram that shows an ecosystem's loss of energy which results as energy passes through the ecosytem's food chain |
| prey | organism that is killed and eaten by another organism |
| predator | an organism that eats all or part of an organism |
| tropism | a plant's bending or moving toward or away from a stimulus (like light) |
| dormancy | period of inactivity |
| pillow lava | Lava that is formed underwater |
Created by:
kimhanson
Popular Science sets