Teas 7 Chemistry Exam 2025
Questions and Answers
Solid to Liquid - ANSWER✔✔-Melting (absorbs energy)
Liquid to Solid - ANSWER✔✔-Freezing, (releases energy)
Liquid to Gas - ANSWER✔✔-vaporization/absorbs energy
Gast to Liquid - ANSWER✔✔-condensation/ release energy
Gas to Solid - ANSWER✔✔-deposition/ release energy
Solid to Gas - ANSWER✔✔-sublimation
Matter - ANSWER✔✔-Anything that takes up space
Mass - ANSWER✔✔-the amount of matter in an object
How Does Matter Change? - ANSWER✔✔-Matter usually changes state when you add or take away
heat, which changes the temperature of the matter
Substance - ANSWER✔✔-A single kind of matter that is pure and has a specific set of properties.
examples of substances - ANSWER✔✔-1. Water
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
, 2. Alcohol
3. Oil
4. Food coloring
Solids - ANSWER✔✔-The particles in solids are tightly packed
Liquids - ANSWER✔✔-Liquids are also a condensed phase, however, in contrast to solids, the
particles have some translational kinetic energy, which means they have freedom to move
gas phase - ANSWER✔✔-the phase of matter in which atoms or molecules can move essentially
independently of one another
Which state(s) of matter take the shape of their container? - ANSWER✔✔-Liquids and gases take
the shape of their containers since, they do not have definite shape and volume. Only solids have
definite shape and volume.
SOLIDS - ANSWER✔✔-have the least volume
LIQUIDS - ANSWER✔✔-have a definite volume
GASES - ANSWER✔✔-have maximum volume
Which of the following is correct?
(a) Solids have a definite shape and definite volume.
(b) Liquids have a definite volume but no definite shape.
(c) Gases have a definite volume but no definite shape.
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
Questions and Answers
Solid to Liquid - ANSWER✔✔-Melting (absorbs energy)
Liquid to Solid - ANSWER✔✔-Freezing, (releases energy)
Liquid to Gas - ANSWER✔✔-vaporization/absorbs energy
Gast to Liquid - ANSWER✔✔-condensation/ release energy
Gas to Solid - ANSWER✔✔-deposition/ release energy
Solid to Gas - ANSWER✔✔-sublimation
Matter - ANSWER✔✔-Anything that takes up space
Mass - ANSWER✔✔-the amount of matter in an object
How Does Matter Change? - ANSWER✔✔-Matter usually changes state when you add or take away
heat, which changes the temperature of the matter
Substance - ANSWER✔✔-A single kind of matter that is pure and has a specific set of properties.
examples of substances - ANSWER✔✔-1. Water
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
, 2. Alcohol
3. Oil
4. Food coloring
Solids - ANSWER✔✔-The particles in solids are tightly packed
Liquids - ANSWER✔✔-Liquids are also a condensed phase, however, in contrast to solids, the
particles have some translational kinetic energy, which means they have freedom to move
gas phase - ANSWER✔✔-the phase of matter in which atoms or molecules can move essentially
independently of one another
Which state(s) of matter take the shape of their container? - ANSWER✔✔-Liquids and gases take
the shape of their containers since, they do not have definite shape and volume. Only solids have
definite shape and volume.
SOLIDS - ANSWER✔✔-have the least volume
LIQUIDS - ANSWER✔✔-have a definite volume
GASES - ANSWER✔✔-have maximum volume
Which of the following is correct?
(a) Solids have a definite shape and definite volume.
(b) Liquids have a definite volume but no definite shape.
(c) Gases have a definite volume but no definite shape.
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
