The black-capped chickadee (Poecile atricapillus) is a small, nonmigratory, North American songbird that lives in deciduous and mixed forests. It is a passerine bird in the tit family Paridae. It is the state bird of both Maine and Massachusetts in the United States, and the provincial bird of New Brunswick in Canada.
Machines that work out and build your butt muscles include the leg press machine, smith machine and hip extension. Traditionally, the squat has been the most common exercise for building the muscles in the lower body.
Measure gravitational mass. You can measure mass using a balance. A balance is different from a scale because it uses a known mass to measure the unknown mass whereas a scale actually measures weight. 1  Finding mass with a triple-beam balance or a double-pan balance is a form of measuring gravitational mass.