6.11ABC, 7.9AB SPACE
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| CELESTIAL OBJECTS | Objects such as planets, moons, & stars that are located in the sky or in space.
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| SYSTEM | Group of interacting or interdependent parts forming a complex whole; for example, all the factors or variables in an environment, or all the planetary bodies revolving around a star.
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| SOLAR SYSTEM | Sun together with the group of planets & other celestial bodies that are held by its gravitational attraction & revolve around it.
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| GRAVITY | Force that causes objects with mass to attract one another.
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| ORBITAL PATH | Gravitationally curved path of an object around a point in space.
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| SUN | Luminous celestial body around which Earth & other planets revolve & from which they receive heat & light.
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| STAR | Ball of gas in space that produces its own light & heat.
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| PLANET | Any of the large celestial bodies that revolve around the Sun in the solar system.
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| INNER PLANET | Any of the rocky, terrestrial planets of Mercury, Venus, Earth, & Mars, whose orbits are inside the asteroid belt.
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| ROCKY | Made of rocks.
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| TERRESTRIAL | Earth-like; "Terra-" = Earth
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| OUTER PLANET | Any of the planets Jupiter, Saturn, Uranus, & Neptune, whose orbits lie beyond the asteroid belt.
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| ASTEROIDS | Large & small rocks or metallic masses orbiting the Sun; made up of materials similar to those that formed the planets.
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| ASTEROID BELT | Region between the inner & outer planets where most asteroids orbit around the Sun.
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| METEOROID | Natural chunk of rock or dust existing outside of Earth’s atmosphere.
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| METEOR | Small object that enters Earth’s atmosphere from space & burns due to friction, thus emitting light.
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| METEORITES | Remains of meteoroids that strike the surface of Earth or the Moon.
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| SATELLITE | Something that orbits around another object; for example, a moon orbiting a planet or a human-made object orbiting Earth.
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| MOON | Celestial body that revolves around a planet.
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| COMET | Celestial body of ice, dust, & rock with an elongated & elliptical orbit.
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| COMA | Glowing, heated dust & vaporized gas that surrounds the icy comet nucleus as it travels near the Sun; solar winds cause heated gases to stream out of the nucleus & form a tail that points away from the Sun.
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| GRAVITY | Force that causes objects with mass to attract 1 another.
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| GRAVITATIONAL ATTRACTION | Force that pulls 2 objects towards each other; greater an object's' mass, the greater the attraction; further apart the objects, the weaker the attraction.
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| NEWTON'S LAW OF UNIVERSAL GRAVITATION | Law that says every object in the universe attracts every other object, & force is affected by mass & distance: greater the mass of an object, the greater the attraction; farther apart the objects, the weaker the attraction.
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| MASS | Amount of matter in an object; a body or object.
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| SIR ISAAC NEWTON | English mathematician, physicist, astronomer, theologian, & author who's widely recognized as 1 of the most influential scientists of all time, & a key figure in the scientific revolution; considered the founder of the concept for GRAVITY.
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| SPACE EXPLORATION | Investigation of physical conditions in space & on stars, planets, &
other celestial bodies through use of satellites, space probes, or spacecraft w/human crews.
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| ROCKET | Engine that provides thrust directly through the burning of its fuel without requiring intake of air.
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| SPACECRAFT | Vehicle or device designed for travel or operation outside Earth's atmosphere.
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| SPACE SHUTTLE | Reusable spacecraft designed to transport people & cargo between Earth & space.
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| SPACE PROBE | Unmanned spacecraft designed to explore solar system & transmit data back to Earth.
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| ROVER | Vehicle for exploring surface of an extraterrestrial body (like the Moon & Mars).
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| SATELLITE | Object that orbits around another object, like a moon orbiting a planet or a human-made object orbiting Earth.
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| TELESCOPE | Instrument for viewing or detecting distant objects.
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| OBSERVATORY | Building or place given over to or equipped for observation of natural phenomena.
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| INTERNATIONAL SPACE STATION | Orbiting space satellite used for scientific & space research; construction began in 2001 with 16 other nations.
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| GALILEO GALILEI (1564 - 1642) | Father of modern science; made improvements to the telescope; discovered 4 largest moons of Jupiter, among many other
scientific accomplishments.
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| ASTRONAUT | Person trained to be part of a spacecraft crew.
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| NASA | National Aeronautics & Space Administration; American governmental agency dedicated to space exploration.
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| ATMOSPHERE | Entire mass of air that surrounds Earth, made up of 78% nitrogen, 21% oxygen, & trace amounts of other gases.
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| OZONE LAYER | Gas in Earth’s atmosphere that absorbs most of the damaging high-energy ultraviolet radiation from the Sun.
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| ULTRAVIOLET RADIATION | Portion of the electromagnetic spectrum emitted by the Sun; can cause tanning, sun burning, & skin cancers.
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| SOLAR WINDS | Continuous stream of charged particles from the Sun, w/ variations in the stream causing beautiful aurora displays (northern lights), & geomagnetic storms that knock out power grids on Earth.
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| EARTH'S MAGNETIC FIELD | Magnetic lines of force from Earth’s polar north & south, acting like a giant magnet.
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| MAGNETOSPHERE | Area that deflects & traps harmful particles; resulting from an interaction of Earth’s magnetic field with solar “wind” (charged plasma) streaming from the Sun.
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| COMPOSITION | Combination of parts or elements that make up something; e.g., Earth's atmosphere is composed mostly of nitrogen (78%), oxygen (21%), & trace amounts of CO2, ozone, water vapor, & other gases.
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| PROXIMITY | Nearness in space, time, or relationship; e.g., Earth's proximity to the sun allows it to maintain proper temperatures to sustain life.
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| SPACEWALK | An activity in which an astronaut moves around and does work outside a spacecraft while in space.
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| SPACESUIT | A complex system of garments that allow astronauts to work safely outside their spacecraft.
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| MICROMETEOROIDS | Tiny meteoroids traveling fast enough to damage spacecraft.
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| MICROGRAVITY | The condition in which people or objects appear to be weightless.
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| VACUUM | A volume of space mostly empty of matter, such as oxygen to breathe.
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Created by:
trauberk
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