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ACT Science Vocabulary # 4

Across
The change into a cloud of diffused matter.
To become more compact; to change from a vapor to liquid.
A temperature scale in which 0K is absolute zero, the freezing point of water is 273, and the boiling point of water is 373.
A substance with an indefinite shape and volume.
The chemical bonding of atoms where valence electrons are shared between atoms (2 words, no space)
A substance that is firm and stable in shape; has definite shape and volume.
Down
A substance that has an indefinite shape and definite volume; free-flowing.
Below freezing but remaining a solid.
A temperature scale in which the boiling point of water is 212 degrees and the freezing point of water is 32 degrees.
A temperature scale in which the freezing point of water is 0 degrees and the boiling point of water is 100 degrees under normal atmospheric conditions.
The weight of all atoms in a molecule. (2 words, no space)
The chemical bonding of hydrogen atom with another electronegative atom. (2 words, no space)
The temperature at which a liquid changes state from a liquid to a solid. (2 words, no space)
The chemical bonding of atoms where valence electrons are transferred from one atom to another. (2 words, no space)
The temperature at which a solid softens into a liquid. (2 words, no space)