Elementary Experimental Science: Physics |
Common terms and phrases
angle apparatus balance barium chloride barometer beaker beehive shelf blue body Boyle's Law bulb-tube bunsen flame burning calcium calcium chloride calorimeter carbonic acid gas centimetre chalk charcoal chemical chloride combustion containing cool copper oxide copper sulphate cork crystals curve cylinder delivery tube density diameter dissolved distance equal evaporating evolved Exercise experiment flask forces acting formed fumes gas jar gases glass tube heat Hence hydrochloric acid hydrogen inches inflammable air iron length lime lime-water liquid litharge litmus magnesium mass means measure melting mercury metal metre mixture nitre nitric acid Notice obtained oxygen paper pass phosphorus piece potassium chlorate pressure pulleys residue resultant retort right-angled bend salt scale School soda solid soluble solution specific gravity steam string substance sulphuric acid surface Take temperature test-tube thermometer triangle vernier vertical vitriol washing soda water of crystallisation weight wire zinc
Popular passages
Page 92 - It states that at any given temperature, the volume of a given mass of gas varies inversely as the pressure to which it is subjected.
Page 62 - The Polygon of Forces. If any number of forces acting at a point can be represented in magnitude and direction by the sides of a POLYGON taken in order, they are in equilibrium.
Page 101 - It overcomes the attractive forces that tend to hold the molecules of a substance together, and thus changes it from a solid to a liquid or from a liquid to a gas, according to the state it was in when the heat was applied.
Page 6 - In the bottom row, there are b such squares ; and, since there are a rows, we have b squares repeated a times, which gives, in all, ab squares.
Page 10 - ... is equal to the sum of the areas of the squares on the other two sides.
Page 66 - Prove that the algebraic sum of the moments of two concurrent forces about any point in their plane is equal to the moment of their resultant about the same point.
Page 30 - The specific gravity of a substance is the ratio of the weight of the substance to the weight of the...
Page 99 - The specific heat of any substance is the ratio of the quantity of heat required to raise a given weight of that substance one degree in temperature...
Page 65 - The moment of a force about a point is the product of the force and the perpendicular distance from the line of action of the force to the point.