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OGW spring final
comprehensive final
| Question | Answer |
|---|---|
| Molecule | A tiny group of two or more atoms tightly bonded together. |
| Element | Substance composed of only one atom |
| Compounds | Substances composed of more than one type of atom bonded together |
| Matter | Anything that takes up space and has weight |
| Density | Amount of matter (mass) in one unit of volume |
| Mercury | The speediest planet |
| Venus | Often called the morning star |
| Jupiter | Ganymede is the largest moon of this planet |
| Saturn | Planet best known for its rings |
| Weight | Measure of the pull of gravity on an object |
| Mass | Amount of matter that makes up an object |
| Gram | Metric unit used to measure an object’s mass |
| Atoms | Tiny particles that all matter is composed of |
| Atomic number | Name given to the number of protons in an element |
| Protons | Positive particles found in the nucleus |
| electrons | Negative particles found in an atom |
| Lacking an electrical charge | Neutral |
| Shell | Formed by electrons that are in orbit at about the same distance from the nucleus |
| Combustion | The chemical reaction that occurs when a substance reacts rapidly with oxygen |
| Neil Armstrong | First man to set foot on the moon |
| Sir Isaac Newton | First man to see colors in white light |
| Yuri Gagarin, Russian Cosmonaut | First man to travel in space |
| John Glenn | First American to orbit the earth |
| Robert Goddard | “Father of Modern Rocketry” |
| Pulse | Single rise or depression in a wave |
| Refraction | Bending of any wave direction at the boundary between two wave media |
| Geostationary | An orbit that allows a satellite to remain in the same spot above the earth at all times |
| Oscillation | A back and forth motion that repeatedly follows the same pattern |
| Wavelength | Length of one complete wave or cycle of oscillation |
| Nebulae | Large clouds of gas and dust floating in space |
| Core | Hot, center of the sun |
| Sirius | Brightest star in the night sky |
| Galaxy | Star system containing from millions to billions of stars |
| Chromosphere | Hottest region of the sun’s atmosphere |
| Polaris | The North Star, found in Ursa Minor constellation |
| Geologist | Scientist who studies the structure of the earth |
| Earthquake | Any trembling or shaking of the earth’s crust |
| Lava | Magma that has reached the earth’s surface |
| Sedimentary | Rock that is formed by sand and mineral particles pressed together |
| Metamorphic | Rock that has been changed by heat or pressure into a new kind of rock |
| Classification | Process of arranging animals or other things into groups according to their similarities |
| Three: head, thorax, abdomen | |
| Regeneration | Ability of a crustacean to grow back lost body parts |
| Crustaceans | Animals with jointed appendages, segmented bodies and external skeletons |
| Arachnids | Class of invertebrates to which spiders belong. It is different from insects |
| Marsh | Known as the nursery of the ocean Water levels fluctuate with the tide Saltiness increases as sea water evaporates |
| Marsh wrack | Cordgrass which washes up on the beach It is the beginnings of a new set of dunes |
| Low tide | Term describing the ocean at its lowest point on shore |
| Neap tide | Type of tide that occurs when the gravitational forces of the sun and moon work against each other, resulting in weaker tides |
| period | Amount of time it takes a comet to complete an orbit |
Created by:
cousinmom
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