airplane هواپیما Airplanes fly in the sky. | aileron شهپر هواپیما، قسمت متحرک بال هواپیما Ailerons are the outer flaps on the rear surface of the wings of an airpane. Ailerons are used to keep the airplane from rollling from side to side. |
abacus چرتکه An abacus is a ancient device that is used for arithmetic calculations. |
can opener قوطی بازکن A can opener is a device that opens cans. |
camera دوربین You can take pictures with a camera. | bulb لامپ A light bulb turns electricity into light. |
engine موتور The engines of an airplane propel it through the air. |
engine موتور The engine of a train pulls the railroad cars along the track. | device A device is a piece of equipment that does a job. For example, a can opener is a device that opens cans. |
freezer فریزر A freezer keeps things icy. | flashlight چراغ قوه A flashlight helps you find your way in the dark. | fan پنکه A fan is a machine that makes a breeze. |
incandescent light bulb لامپ رشته ای (لامپ برقی معمولی)لامپ التهابی
An incandescent light bulb turns electricity into light as an electric current causes a filament to glow in an air-free enclosure. |
gyroscope ژیروسکوپ A gyroscope is a spinning wheel set in a movable frame. When the wheel spins, it is very hard to move the gyroscope - it essentially stays in its original orientation. |
funnel قیف A funnel is a device that lets you pour things from one container to another. |
joystick (در بازی های کامپیوتری)فرمان، دسته A joystick is used to play some computer games. | iron اتو Irons press the wrinkles out of clothes. |
inventor مخترع An inventor designs and creates new, useful things. |
microscope میکروسکوپ A microscope lets you see very tiny things. | magnifying glass ذره بین A magnifying glass is a lens that makes things look larger than they really are. | lock قفل You can lock and unlock a lock with a key. |
padlock قفل You can lock and unlock a padlock with a key. | mirror آینه You can see your reflection in a mirror. |
microwave oven مایکروویو Microwave ovens heat up food quickly. |
radio رادیو A radio lets you hear broadcast music and talk shows. | radar رادار Radar is a device that uses reflected radio waves to located objects at a distance. Radar is short for "radio detection and ranging." | pliers انبردست Pliers are tools that hold things. |
rocket موشک A rocket is a machine that propels itself into space. |
remote control کنترل A remote control lets you operate a machine from far away. | refrigerator یخچال A refrigerator is a machine that keeps food cold. |
sewing machine چرخ خیاطی A sewing machine sews stitches very quickly and easily. The sewing machine was invented in 1846 by Elias Howe. | scale ترازو A scale is a machine for weighing things. |
safety pin سنجاق قفلی A safety pin is a type of pin that is used to fasten clothes and diapers. |
telescope تلسکوپ A telescope is a optical device that makes faraway objects appear closer and larger, allowing us to see distant objects in space. | telephone تلفن You can talk with people who are far away by using a telephone. | sonar دستگاه کاشف هواپیما بوسیله امواج صوتی In sonar (also called echolocation), a high-pitched sound (usually clicks) is sent out. The sound bounces off the object and some returns. The returning echo is interpreted to determine the object's shape, direction, distance, and texture. Dolphins (and other toothed whales) and some bats use sonar to navigate and find prey. |
toaster تستر (وسیله برشته کردن نان) A toaster is a machine that heats up slices of bread, making toast. | thermometer دماسنج A thermometer is used for telling what the temperature is. | television تلویزیون A television is a machine that receives pictures and sounds. People watch and listen to shows on television. |
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yoke یوغ (چوبی که بر گردن گاو شخم زن نهند.) A yoke is a device that holds two working animals (like oxen) together. |
vacuum cleaner جاروبرقی A vacuum cleaner is a device used to clean rugs and floors. |
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