Changes of state- heating up Flashcards
1
Q
If a solid is heated it’s ——— rises until it reaches its ———— particles gain energy and vibrate more
A
temperature
melting point
2
Q
Physical changes don’t change the particles, what does?
A
the arrangement or their energy
3
Q
Name an example of melting and when a solid turns into a liquid
A
at a certain temperature the particles have enough energy to break free from their positions.
4
Q
When particles vibrate more, what happens to them
A
It weakens the forces that hold the solid together and makes the solid expand.
5
Q
what happens when a solid is heated
A
it gains more energy
6
Q
What temperature does water boil
A
At 100 degrees
7
Q
What temperature does water evaporate
A
0- upwards
8
Q
What happens at the melting point
A
temperature stops rising whilst the solid melts.
