When molecules change state of matter from a liquid to a solid, then _______________.

Question 1 options:

the molecules stop moving.


the kinetic energy of the molecules decreases.


the kinetic energy of the molecules increases.


there is no change in the kinetic energy of the molecules.

Question 2 (1 point) Question 2 Unsaved
Timothy and Kelsy put an ice cute on top of a sodium bicarbonate tab. Over time, they witnessed bubbling coming from the place where the ice cube and tab meet.

Which of the following represents a similar kind of change in matter?

Question 2 options:

Taking a glass of water and freezing it by placing it in the freezer


Filling up a balloon with hot air.


Baking a birthday cake for your mother.


Your dog ripping up your homework.

Question 3 (1 point) Question 3 Unsaved
An example of a chemical property is the ___________.



Question 3 options:

tendency to undergo oxidation


ability to dissolve in solution


mass of a substance per unit volume


point where solid becomes liquid