A metal thing with a twisty line on it. You use it to hold things together or to make them stay in place.
Screws are very useful, but they can be hard to turn sometimes.
Examples:
I need a screw to fix this chair.
The screw is too tight.
The screw is in the wall.
I can't find the screw to fix my toy!
The screw is as long as a snake!
He uses a screw to fix the table.
To turn or twist something into or out of something else using a screw.
Screwing something in can be hard work, but it's important to make things stay together.
Examples:
I need to screw the lightbulb in.
She screws the lid onto the jar.
He screws the wheel onto the bike.
Don't screw it in too tight!
I can't screw the top off the jar.
He screws the pieces together to make a toy.