Atoms & Structures
a small particle that is the building block of matter
What is an atom
the combination of all the forces acting on an object.
What is net force?
an object that attracts iron and other materials that have magnetic qualities similar to iron.
What is a magent?
a material in which a wave travels.
What is a medium?
electromagnetic radiation that you can see.
What is light?
a substance made of only one kind of atom
What is an element
an attractive force that exists between all objects that have mass.
What is gravity?
the place on a magnet where the force it exerts is the strongest.
What is a magnetic pole?
the distance between one point on a wave and the nearest point just like it.
What is wavelength?
a material through which light does not pass.
What is opaque?
a substance made of two or more elements that are chemically joined in a specific combination
What is a compound
a measure of the distance an object travels in a given amount of time.
What is speed?
the transfer of charged particles between two conductors.
What is conduction?
the number of times the pattern repeats in a given amount of time.
What is frequency?
a material that allows almost all of the light striking it to pass through, and through which objects can be seen clearly.
What is transparent?
a mixture in which two or more substances are evenly mixed, but not bonded together
What is a homogeneous mixture
contact force that resists the sliding motion of two surfaces that are touching.
What is friction?
a circuit that is not complete and no electric energy flows through the circuit.
What is an open circuit?
the perception of how high or low a sound is; related to the frequency of a sound wave.
What is pitch?
the point where light rays parallel to the optical axis converge after being reflected by a mirror or refracted by a lens.
What is the focal point?
one of two or more atoms of an element having the same number of protons, but a different number of neutrons
What is an isotope?
law that states that the acceleration of an object is equal to the net force exerted on the object divided by the object's mass.
What is Newton's Second Law of Motion
a device that uses a magnetic field to transfer mechanical energy to electric energy.
What is an electric generator?
the change in direction of a wave when it travels by the edge of an object or through an opening.
What is diffraction?
the change in direction of a wave as it changes speed in moving from one medium to another.
What is refraction?