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Science EP5 - Q2
montfort college primary practice quiz
| Question | Answer |
|---|---|
| force | a push or a pull that makes things move |
| translation | a movement from one place to another |
| rotation | a turning or spinning movement around and around |
| oscillation | a repeated movement one way and back |
| gravity | a force that pulls any two things closer together |
| magnetic force | a force that pulls metals like iron |
| elastic force | a force that wants to return an object to its normal shape |
| friction | a force that slows moving things down and creates heat |
| machine | an object made of many pieces that changes forces, motion, and energy to do something |
| lever | a tool made of a long straight piece and something underneath that makes things easier to lift |
| wheel | a tool made of a circle and axle that makes things easier to move |
| pulley | a tool made of a circle and rope that makes things easier to lift |
| load | a heavy thing you are trying to move |
| pivot | a point where something can turn |
| effort | energy that is put to work |
| screw | a tool that twists |
| drill | a tool that rotates and pushes |
| jack | a tool that lifts heavy things with a lever |
| vice | a tool that uses push force on both sides to hold things together |
| gear | a wheel with teeth that can turn other wheels with teeth |
| driver | a gear that takes in effort to move other gears |
| follower | a gear that is moved by other gears |
| bicycle | a machine that takes human effort to move gears and two wheels |
| plane | any flat surface |
| inclined plane | a flat surface that is on a slope or angle (ramp) |
| axle | a rod that wheels can rotate around |
| light | an energy that moves fast and lets us see |
| sun | a source of light and heat |
| wave | an oscillation up and down while translating from one place to another |
| Alexander Graham Bell | a scientist who invented the electric light bulb |
| reflection | a bounce of light off of something |
| refraction | a bend of light through something |
| transparent | a material that light can pass through easily |
| translucent | a material that some light can pass through |
| opaque | a material that light cannot pass through |
| absorb | to soak up or take in something like light or water |
| repel | to push away |
| attract | to pull closer |
| rainbow | white light refracted into many colors |
| shadow | a dark area where light is blocked |
| umbra | the inside of a shadow where most light is blocked |
| penumbra | the outside of a shadow where some light is blocked |
| ray | a line that starts at a source and moves infinitely in a straight line like light |
| light source | a place where light starts |
| mirror | a very shiny object that reflects all light |
| eye | a part of the body that takes in light to see |
| pupil | a part of the eye that is a hole in the middle where light enters |
| iris | a part of the eye that is colored around the hole of the eye |
| cornea | a part of the eye that is the curved outside surface |
| optic nerve | a part of the eye that carries light information to the brain |
| lens | a part of the eye that changes thickness to focus light |
| retina | a part of the eye at the back that takes in light information |
| convex | a shape of lens that bends outward like a hill and focuses light in |
| concave | a shape of lens that bends inward like a valley and spreads light out |
| short-sighted | a person whose eyes can focus close but not far |
| long-sighted | a person whose eyes can focus far but not close |
| optics | the study of light |
| camera | a machine that captures light |
| colour | a light that moves at a certain speed |
| spectrum | a range of light colors |
| filter | a transparent sheet that allows one color and blocks others |
| transmit | to allow something like light to move through it |
| electricity | an energy that moves fast and can power machines |
| charge | a positive or negative force inside electric or magnetic fields |
| circuit | a circle of wires that electricity can pass through |
| wire | an electrical component that conducts electricity through it |
| battery | an electrical component that holds electricity |
| motor | an electrical component that turns electricity into movement |
| bulb | an electrical component that turns electricity into light |
| switch | an electrical component that turns off and on |
| buzzer | an electrical component that turns electricity into sound |
| iron | a natural metal that is magnetic |
| steel | a strong metal that is magnetic |
| aluminium | a natural metal that is nonmagnetic |
| poles | the opposite ends of a magnet that have the strongest pulls |
| conductor | a material that allows heat and electricity to pass |
| insulator | a material that does not allow heat and electricity to pass |
| magnetic field | a space that is affected by magnetic forces |
| electric field | a space that is affected by electrical forces |
| lubricant | an oil that decreases friction and helps things move |
| prism | a transparent 3D shape that refracts light into colors |
Created by:
T.Jay
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