# What will happen when the metal ball is heated?

## What will happen when the metal ball is heated?

When metal ball is heated, it expands. Now heat the metal ball for 5-6 minutes. The hot ball is not be able to pass through the ring. This shows that a solid expands on heating.

## Why did the metal ball expand when heated?

When a material is heated, the kinetic energy of that material increases and its atoms and molecules move about more. This means that each atom will take up more space due to its movement so the material will expand.

What will you predict for a ball after heating?

On heating, the solid ball expands and increases in size and cannot pass through the ring. The ball after heating is left to cool on the ring for sometime, the ball again passes through the ring, because it contracts in size and passes through the ring.

Does metal ball expand?

Some metals expand more than others due to differences in the forces between the atoms / molecules. When metal ball is heated, it expands.

### Does a hole in metal get bigger when heated?

Remove the circle, it still expands. So, to answer your question, a hole in a material behaves just like a circle of that same material. It expands on heating. What’s actually happening is that if it tries to expand inwards (contract basically), it will have to compress itself, and increase its density.

### Does metal shrink or expand when heated?

Metal expands when heated. Length, surface area and volume will increase with temperature. Thermal expansion occurs because heat increases the vibrations of the atoms in the metal.

Does heat shrink or expand metal?

Metal expands when heated. Length, surface area and volume will increase with temperature. The scientific term for this is thermal expansion.

What is the conclusion of gravesande’s ring and ball experiment?

The diameters of the ring and the ball are such that ball is just able to pass through the ring at the room temperature. This clearly shows that on heating the diameter of the ball has increased i.e., the solid has expanded. Now cool the ball to room temperature.

#### Why didn’t the hot sphere pass through the cold ring?

The sphere and ring are made of metal. The sphere will no longer pass through the ring, confirming that materials expand when they get hot and contract when they get cold.

#### Does a metal ring expand when heated?

However, since metals expand when heated, many will believe that the metal will expand into the hole, making the hole smaller. Now ask the students to consider the fact that as the metal gets hotter, the molecules get farther apart. Imagine a “row” of molecules on the surface of the inside of the ring.

Does heat shrink metal?

In general, be aware that the hotter you get the metal, the more it will eventually shrink. Remember, metal will initially expand when you heat it. As you hammer a nearly liquid-hot bead against a dolly, you are simply forcing the molecules into a smaller area.

Does heat make metal bigger or smaller?