Convection

Science

When a fluid is heated, which **two** things happen to the particles?

What happens to areas of cooler particles in a fluid?

Areas of cooler particles rising and hotter particles sinking.

Areas of hotter particles rising and cooler particles sinking.

What is needed to produce a convection current in a beaker of water?

Identify which of the following scenarios is an example of convection.

Convection currents occur in gases and {{}}.

 If a heater blows hot air into a cool room, what happens to the hot air?

Energy transfers between kinetic energy stores.

Energy transfers from a cold area to a hot area.

Energy transfers from a hot area to a cold area.

The frying pan would stay at the same temperature.

If a cool frying pan was placed on a hot hob, what would happen?

If a material is good at transferring thermal energy, what can it be called?

The particles are close together but can move freely.

The particles are close together in a fixed pattern.

The particles are far away from each other and move randomly.

The particles are far away from each other in a fixed pattern.

Describe the particle arrangement in a gas.

Which variable is measured in degrees Celsius?