clocks, engines, motors, things run by engines or motors and anything else that needs to convert something turning at one speed to turn at another speed.
Gears are used to make pieces of items or objects rotate. They are used in a majority of machines available.
Clocks and watches have internal gears. Bicycles and can openers have external gears.
Some objects that contain electromagnets are doorbells, speakers, printers, and calculaters
Two common objects which contain electromagnets are a calculator and a compass.
Cell phonescomputerstelevision
0o-
neon lights.
There are many objects in the world that contain carbon. Some items are seashells, pencils, fabrics, wood, carbonated sodas, and water.
Heat is the vibration of the atoms or molecules that make up things. As all atoms can vibrate and all objects are made of atoms, all objects contain heat energy.
it is gravity all objects contain gravity
magnets
we use pulleys and gears in our daily lives because it would make it easier for people to do our work.We would not have to work so hard.We use pulleys to lift heavy objects.We use gears to build stuff. That's why we see gears in some of our objects.(If you look at a egg beater,you will see gears in a egg beater).