When you put an invisible line through the middle of an object and both sides match.
its a line that is vertical and a symmetry
This is my own definition of horizontal symmetry (no source)- Symmetry to describe a figure that is symmetrical after being reflected over a horizontal line.
my mom
A square by definition has lines of symmetry. Therefore a square cannot be drawn without any lines of symmetry.
This is the definition of "rotational symmetry", or if the statement is true for any number of degrees of rotation it is also "circular symmetry.".
A kid friendly definition of the word energy is, the ability to do work.
a kid friendly definition would be two or more people that disagree on something and are not getting along.
changing
competition
A kid friendly definition of disease would be "a very serious sickness a person/people could catch or already have from their parents.
Something that someone has to do.
A kid friendly definition would be - The head of the Catholic Church.
A final urgent demand.
A course of action determined or decided on.
look at me, pay attention
reliable, mature, honest, answerable, dutiful
there is absolutely no way to make a 3rd grade or under definition of the word sabotage