Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Conduction and Convection YEar 9 Thermal
0
%
0
0
0
Back
Restart
Explain a convection current
particles moving in a circle: warming, rises up, cooling, sinking, then warming again
Oops!
Okay!
What is an example of a convection current?
heating up water
Oops!
Okay!
Fluids can move in a circle called a ______________________
Convection current
Oops!
Okay!
True or False: Hot air rises since it is less dense.
True. Hot air rises Think about hot upstairs is sometimes warmer than downstairs
Oops!
Okay!
Spin around 5 times
hahahahaha good one
Oops!
Okay!
cool air is (more or less) dense than hot air
cool air is more dense than hot air
Oops!
Okay!
What are the 3 types of thermal processes
Conduction Convection Radiation
Oops!
Okay!
What was the most difficult part of the lesson ?
---
Oops!
Okay!
True or False: Convection is the transfer of thermal energy when objects touch?
False! Convection is the transfer of thermal energy as matter moves
Oops!
Okay!
True or False: Hot soup warming a cold spoon is an example of conduction.
True
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies