The generator changes mechanical energy into:

When water vapor condenses, it turns into:

Heat is transferred through liquids and gases by:

The ______ surrounds the plant cell from the outside.

The diaphragm helps you breath in when it and breath out when it

the organelles which provide the cell with the needed energy are called……...

in a dangerous situation, your eyes send the information to the ……. To perform the suitable action

Boiling point of a substance is the temperature at which ………. Changes into

all following material are solid except