The density of wood varies from as low as 6.86 lbs./cubic feet to as high as 78 lbs./cubic ft. Wood types come with different densities based on their moisture content and material. Age, height, growing conditions and radial growth are also factors that can affect wood density.Know More
Some common examples of wood with a density of 50 lb./cubic feet or higher include Boxwood, Ebony, Cocobolo, Greenhart and Grenadilla. Woods, such as Balsa, Alder, Basswood, Buckeye, Cedar and Cottonwood feature much lower densities, ranging 25 lb./cubic feet and below.
Wood is often generally categorize into two groups based on their density, softwood and hardwood. However, this generalization can be a little misleading because softwood is not exactly soft and not all hard wood is hard
Hardwood refers to angiosperms, trees that produce seeds with some type of covering around it, such as a hickory nut or acorn. Soft wood trees, on the other hand, produce seeds with no protection, such as firs and pines.
Softwood accounts for close to 70 percent of the timber used. That is because softwood is more affordable and easier to work. Hardwood however offer better resistance to fire and are the preferred option for high-quality furniture construction.Learn more about Measurements
Density it the relationship between the volume and mass of a substance. Specifically, it is found by dividing the mass by the volume. The unit of density depends upon which units are used to measure mass and volume.Full Answer >
The density of a pencil varies based on the type of pencil, but it can be found by measuring the pencil's mass, preferably in grams, and then dividing the mass by the volume. The formula for density is density = mass/volume.Full Answer >
Density dependent effects impact the population of a species and are dependent upon the density of that population. These density dependent effects can have negative effects on the population, with both extremely high and extremely low densities risking extinction. The main forms of density dependent effects are competition, predation and availability of mates.Full Answer >
Density is defined as mass per unit volume, so it is necessary to measure both the weight and volume of an object to determine its density. Use a scale to measure the object's weight. A ruler can be used to measure the dimensions of an object and calculate its volume.Full Answer >