What is convection?
Convection is a heat transfer process that occurs in fluids. During convection, hot, less dense fluids rise to the top of a system, while cooler, more dense fluids sink to the bottow of the system under gravity.
AD
Related Physics GCSE answers
All answers ▸Suppose a student wants calculate the density of the two different objects, a metal cube and a small statue. Describe the methods the student could use to measure the density of the two objects.
What's the difference between a vector and a scalar?
Define Newton's three laws
How does conduction work in metals?