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Why can you start a fire by rubbing two sticks together but not two pieces of metal?
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What are 5 examples of friction?
1. rubbing your hands together to keep warm in winter 2. the parts of a car engine rubbing together causes it to overheat sometimes 3. rubbing sticks together to make fire (it takes about two horus, but the stick gets hot)
What are melting joints?
- Melting - Pieces of metal or plastic can be melted together (welding, soldering - brazing or using chemicals)
What is a fusion zone in welding?
It is the area between the two pieces of metal being joined. (When using a rod or tig, you would fuse the metals together)
What is a word meaning to join two pieces of metal by means of heat?
To solder
Pieces of metal are heated by varying amounts in a flame The hottest of the pieces will be the one that sHow is most prominently which color?
copper white
Is it welt the metal or weld the metal?
Weld is a verb which means joining two pieces of metal together.
Is it possible to get metal plated hands?
Yes if all metal pieces coenside together & have free movement
What are the materials used to manufacture chassis of a mouse trap car?
You can you cut out pieces of boards or flat peices of metal or even sticks!
What are the similarities between soldering and welding?
In soldering and welding, 2 or more pieces of metal are joined by melting metal at the interface between them. When the molten metal cools and hardens, it physically bonds the pieces together.
What happens to two pieces of metal if they touch in space?
When two pieces of metal touch in space, they become PERMANENTLY stuck together. This happens because of the lack of gravity in space
On an atomic level what is the difference between banging metal against metal and melting-welding two pieces of metal together?
when you weld metal, you are combining the two masses by overcoming the electromagnetic repulsion of the electrons to each other when you bang metal together, there is not enough energy to overcome the repulsion, so the two pieces stay separate
What are scooter forks?
Some pieces of metal welded together with a axle to hold your front scooter wheel together.
Car makes a noise like metal rubbing together but is better in high gear?
If a car is making a metallic rubbing noise, but it is better in high gear, it could be a problem with the brakes or rotors. The brake pads might be so worn that they are touching metal to metal with the rotor.
What is sport welding?
No. Welding is a profession and a method of holding two pieces of metal together.
How are shelters are made?
shelters are made of metal and plastic and you get a curved metal panel and join them together to make the roof and the sides of the shelter
What does soldered mean?
Solder is a eutectic alloy used for bonding two pieces of metal together.
How do you build a halo for home plate?
You have to get metal sticks and mound 4 around a plate and the get a metal ring and mound it on to the 4 metal sticks
