Angled body movement at an angle to the horizon.

Angled body movement at an angle to the horizon.

Parallel lines are two lines that are always at the same distance and never touch.

Constant magnets attract various iron objects. For example a key, a needle, a stapler and scissors.

Decimal notation is the expression of numbers through powers of 10, it is the common method employing nine digits and zero.

Iron is one of the most common metal elements that is extracted from minerals to produce cast iron and subsequently steel.

The properties of water: surface tension, the cohesion forces and surfactants.

The body against which we determine whether a body is in motion or at rest.

The solar system is consisting of the sun, the eight planets and their moons, comets, asteroids and meteorites.

Diffusion is the net movement of molecules or atoms from a region of higher concentration

It is the process by which phagocytes engulf and break down bacteria or particles.

Any of one or more lines about which a geometric figure is symmetric.

Is a number that only has two factors, 1 and the number itself. If a number has more than two factors, it is called composed number.

The highest common factor of two or more positive integers is the greatest possible divisor of all of them.