physics_math

combination of 2 or more metals

iron + carbon = ___

tin + copper = ___, the oldest alloy known to man

copper + zinc = ___

the galaxy nearest to the Milky Way, also has a spiral shape

the point during the orbit of a satellite, such as the moon, at which it is FARTHEST from the body its orbiting

discovered that the volume of an object can be measured by the amount of water it displaces, also said “Give me the place to stand, and a lever long enough, and I will move the Earth!”

a small planet (planetoid) that revolves around the sun, most are found between Mars and Jupiter

the mean distance between the Earth and the sun

a statement that is unproven (usually because it seems obvious), and is used as a basis for other statements

constellation called “The Great Bear”, the tail of the bear is contained in “The Big Dipper”

constellation called “The Little Bear”, same as “The Little Dipper”, contains the North Star (Polaris)

components of a solution that can neutralize either an acid or a base and maintain a constant pH, used in medications to decrease the acidity in the stomach

numbers that indicate the order of something in a list (first, second, fifteenth, etc.)

chemical compounds originally developed for refrigeration systems, when released into the air they release chlorine which damages the Earth’s ozone layer and was responsible for creating the ozone hole, many applications banned now

combining of two hydrogen atoms into helium at room temperature, a claim to have produced ___ in a lab was false, would have meant almost unlimited cheap energy

object that enters the inner solar system, CAN orbit the sun in elongated elliptical path, or use a hyperbolic path and leave forever, has a tail due to the material boiled off from the sun

motion of warm material, one of the 3 types of ways to tranfer heat (other 2 are radiation, and conduction)

force due to the rotation of the Earth which makes the air in a storm rotate CCW in the Northern hemisphere, and CW in the Southern hemisphere, its zero at the equator

chemical bond in which 2 atoms share some of their valence electrons, thereby creating a force that holds the atoms together, other type is ionic

chemical bond in which 1 atom gives up an electron to another, thereby generating an electrical force that holds the atoms together, other type is covalent

the first kind of particle accelerator built

the separating of the constituents of a liquid by boiling it and then condensing the vapor that results, typically to purify water or extract gasoline from crude oil

the laws of nature are the same for all observers anywhere in the universe (regardless of their state of motion)