Tap or click on cards to flip them and reveal the answers. You can use arrow keys as well.
Loading folders...
1/15 cards
What is convection?
Click to flip
Convection is the process of heat transfer through fluids (liquids or gases) by the movement of the fluid itself.
Click to flip
What are the two main types of convection?
Click to flip
The two main types of convection are natural convection and forced convection.
Click to flip
What causes natural convection?
Click to flip
Natural convection is caused by the natural movement of fluid due to differences in temperature and density.
Click to flip
How does forced convection differ from natural convection?
Click to flip
Forced convection involves the movement of fluid by external means like fans or pumps, while natural convection relies on density differences.
Click to flip
Give an example of natural convection in nature.
Click to flip
An example is the warm air rising from the surface of the Earth, leading to the formation of wind.
Click to flip
What is the role of convection in weather systems?
Click to flip
Convection helps in the formation of weather systems by distributing heat in the atmosphere, causing patterns like breezes and storms.
Click to flip
Explain how convection affects ocean currents.
Click to flip
In the ocean, convection helps distribute heat by moving warm water from the equator towards the poles and cold water back towards the equator.
Click to flip
How does convection work in a boiling pot of water?
Click to flip
In a boiling pot, the water at the bottom heats up, becomes less dense, and rises, while cooler water descends to replace it, creating a convection current.
Click to flip
What is a convection current?
Click to flip
A convection current is the flow that transfers heat within a fluid, forming a loop as warm fluid rises and cooler fluid sinks.
Click to flip
Why do hot air balloons rise?
Click to flip
Hot air balloons rise because the air inside the balloon is heated, becoming less dense than the cooler air outside, causing the balloon to float.
Click to flip
How does convection contribute to plate tectonics?
Click to flip
In plate tectonics, convection currents in the mantle help move Earth's tectonic plates as hot rock rises and cooler rock sinks.
Click to flip
What role does convection play in home heating systems?
Click to flip
In home heating systems, convection circulates warm air throughout a room, spreading heat from sources like radiators or vents.
Click to flip
What is meant by 'heat rising' in terms of convection?
Click to flip
'Heat rising' refers to the movement of heated, less dense air or fluid upwards, a key characteristic of convection.
Click to flip
What is the convective zone of the Sun?
Click to flip
The convective zone of the Sun is the outer layer where energy is transported outward by convection currents.
Click to flip
How can convection be minimized in designing insulated containers?
Click to flip
Convection can be minimized by reducing air movement within the container, often achieved by using vacuum insulation or materials that trap air.
Click to flip
Need More Study Materials?
Go back to the chat to generate additional resources.