Did You Know?
Screws can be very old! Some are over 2,000 years old!
How Screws Work
You turn screws to make them tight.
Where We Use Screws
Screws are in toys, chairs, and more!
What screw Does
Screws hold things tight.
They can go in wood or metal.
You can take them out and put them back.
They come in different sizes.
Some screws are very small.
Others are big and strong.
More About screw
Screws have been used for a long time. They help us build things. People made screws to fix things too. They are very useful!
We see screws in our homes. They help keep our toys and furniture safe. Without screws, things might fall apart.
In the future, screws will still be important. They may get even better! New screws might be made from cool stuff.
How Topics Connect
graph TD
A["Screw"] --> B["Externally Helical Threaded Fastener"]
B --> C["Tightened or Released by Torque"]
C --> D["Common Use: Hold Objects Together"]
D --> E["Variety of Forms for Different Materials"]
E --> F["Inserted into Holes or Forms Its Own Thread"]
F --> G["Difference: Screw vs Bolt"]
G --> H["Bolt Requires Nut for Tightening"]
What Do These Words Mean?
helical:spiral-shaped
fastener:a device that holds things together
torque:a twisting force
inserted:put into something
thread:a spiral groove on a screw
