Level 153 Level 155
3 words 0 ignored
Ready to learn Ready to review
Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.
A form of energy transferred by a difference in temperature
the transfer if energy from an object at a higher temperature to an object at a lower temperature
a substance in the fluid state of matter having no fixed shape but a fixed volume