The screw , is one of heremonly used mechanical devices around the world. Watch this physics video for kids to know more about this simple machine. Screw facts for kids . Kids Encyclopedia Facts. A collection of screws . A screw in action: see Archimedes' screw . A screw is a sharp piece of threaded metal similar to a nail. Unlike a nail, a screw has spiral grooves down its spike. A screw is pressed down against wood and turned with a screwdriver. The grooves cut into the wood. A screw is a sharp piece of threaded metal similar to a nail.Unlike a nail, a screw has spiraling grooves down its spike. A screw is pressed down against wood and spun with a screwdriver so the wood goes into the grooves. This prevents the screw from falling out, as a nail could.

Kids Will Have A . toy) And 3 Screw Drivers. Both . Sopu Kids Building Games Set Desigh Drill Activity Center, Electric Drill ScrewDriver Tool Set Educational 3D Building Blocks Construction Games Toys for Boys Girls Age 3-15 Years Old. by Sopu. $23.88 $ 23 88 Prime. Drill: This toy drill set has a battery operated drill driver that allows kids to screw bolts into the board, then reverse direction and pull them back out. Very popular with lots of kids . Very popular with lots of kids . Archimedes' screw is a machine.It is a type of pump used for raising water up. It is a screw inside a fairly tight-fitting cylinder.With the bottom end in water, the screw lifts water up …

The pointed tip of the screw focusses the forwards motion into a small area to make the screw bite into the wall. Screwtop lids. Screws are a simple way to seal up jars and bottles of food and drink, to keep the stuff inside fresh and stop it spilling out. The lid has a screw mechanism that matches the neck of the jar. Kids Definition of screw (Entry 2 of 2) 1 : to attach or fasten with a screw 2 : to turn or twist on a winding ridge to attach Remember to screw the lid back on the jar. Choose from our selection of hundreds of safe, comfortable screw back earrings for children. These earrings are designed with kids in mind, the screw backs are easy to put on but designed to keep infants from pulling them out and losing.