FORCES IN CREATION
A force that attracts all objects with mass to one another
What is gravitational force?
A collection of atoms that all have the same number of protons
What is an element?
Sound waves move in this type of wave
What is a longitudinal wave?
A packet of light that acts like a particle
What is a photon?
This creates energy by splitting one nucleus in two smaller nuclei
What is nuclear fission?
The force that pulls an object to the center of a circular path-example: a child twirling a plane on a string in a circle
What is centripetal force?
What is a molecule?
Any speed faster than the speed of sound
What is supersonic speed?
Light travels as this kind of wave
What is an electromagnetic wave or transverse wave?
This creates energy when two or more nuclei combine into one larger nucleus-the sun does this in its core
What is nuclear fusion?
The amount of flow of electrons that travels pass a fixed point in a circuit
What is an electrical current?
The center of an atom which contains the protons and neutrons
What is the nucleus?
How high or low a sound is
What is pitch?
This law states that the angle of reflection equals the angle of incidence
What is the Law of Reflection?
Stars that change brightness/magnitude
What are variable stars?
Name two ways of giving a charge to an object
What is conduction and induction?
Name 3 types of radioactive decay
What are alpha, beta, and gamma decay?
The sound produced when an object travels faster than the speed of sound (Mach 1)
What is a sonic boom?
The bending of light as it moves into or out of a substance
What is refraction?
The Milky Way galaxy is categorized as this shape
What is a spiral galaxy?
The ability of a material to impede (hinder) the flow of charge
What is resistance?
Atoms with the same number of protons but different numbers of neutrons-Example: Carbon 12 and Carbon 14
What is an isotope?
Frequency and wavelength are ___________ proportional to each other (when one increases the other decreases)
What is indirectly proportional?
Color is created in these two ways-hint: red, green, blue light or yellow, magenta, and cyan pigments
What is additive and subtractive?
The distance light could travel in a straight line in one year
What is a light year?