Science vocabulary
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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| Triple Bean balance | Labatory scale with 3 bars. It is used to measure mass
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| Test tube | A long, round, glass container used to measure and hold chemicals
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| Atom | Elements that can be divided, but still have the same properties.
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| Proton | Located in the nucleaus of an atom. Positivly charged
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| Electron | Located in the nucleas of an atom and is negatively charged.
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| Chemical change | A change in which a substace changes to a new substance that has new properties.
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| Physical change | A change in which a substance changes to a new substance,but has the same properties.
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| metals | Found to the left of the Stair Step line;are good conductors of heat and electricity, shiny, and solid
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| Non-metals | Found to the right of the Stair Step line, and are poor conductors of heat, not shiny, and are solid.
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| Metalloids | Are found touching the Stair Step line on the periodic Table; have properties of metals and non metals.
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| Chemical formula | A way of describing the number of atoms that makes up one molecule of a compund.
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| Chemical equation | A way of writing changes in the arrangement of atoms during a chemical reaction,using chemical symobols.
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| Balenced force | Occur when the total of all fources on an object equals zero and the object does not move.
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| unbalanced forces | Occur when the net force on an object does not equal zero; results in the object changeing motion
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| Newtons 1st law of motion | An object at rest will stay at rest and an object in motion will stay in motion unless acted on by an unbalanced force.
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| Newtons 2nd law of motion | force= mass x acceleration
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| Newtons 3rd law of motion | For every action, there will be an equal and opposite reaction
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| Speed | Distance traveled divided by the time needed to travel that distance
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| Distance | Time traveled times the speed.
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| Time | Distance traveled divided by the speed.
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| Speed graph | Spped with a direction.
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| Acceleration graph | A change in velocity
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| HR diagram | A diagram that classifys stars
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| Main sequence star | Star that has medium brightness,medium tempature, and medium size. (our sun)
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| White Dwarf star | A young, small star that once was a red giant;hot and dim.
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| Red Giant star | A big red star that will become a white dwarf.
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| Elliptical galaxy | Collection of stars, large and bright, and sphered shaped.
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| Irregular Galaxy | Collection of stars and planets, etc; has no definite shape.
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| Spiral Galaxy | Sprial arms and shaped like a whirlpool.
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| Light Year | The distance light traveles in earth years.
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| Asteroid | Small, rocky bodies that revolve around the sun on an asteroid belt.
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| Comet | A body of ice, dust, and cosmic dust that revolves around the sun.
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| Meteor | Space depris that hits the atmosphere.
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| Meterite | When a meteor hits the earth`s surface.
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| Meteoroid | Particles of space debris that float in space.
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| Gamma Ray | Type of radioactive materials. Biggest gamma generator is the universe.
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| X-ray | Hot gases in the universe emit x-rays.
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| Ultraviotlet | The sun and stars and other hot objects in space emit these rays.
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| Visible | Stars emit this light
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| Infrared | This shows the dust between stars
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| Microwave | Are used by astromers to learn about near by galaxies.
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| Radio | Stars and gases emit these waves.
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