quiz 17 Flashcards
Explain why decreasing the temperature of a gas decreases the gas pressure
Particles have less kinetic energy and move slower so collide less often with a smaller force
Why do hotter fluids rise above colder fluids?
Hotter fluids are less dense then colder fluids
What symbol is used instead of writing the word volume?
V
Why does ice melt faster when placed on most metals than on most non-metals
Metals are better conductors of heat
Which states of matter can flow?
Liquid and gas
What piece of equipment is used to measure length?
Ruler
Why do substances expand when heated?
The particles gain kinetic energy and move further apart
What is gas pressure?
The force exerted by particles in a gas colliding with each other and the walls of the container
Why does ice melt faster when placed on a surface which is a better conductor of heat?
Heat transfers to the ice faster
How do u convert from cm cubed to m cubed?
divided 1,000,000
