—By Borgna BrunnerSedna Debuts, Rattling Poor Pluto Artist's rendition of the planetoid Sedna On March 15, 2004, astronomers confirmed the discovery of the most distant object ever identified in…
Properties of Covalent CompoundsChemistryGetting to Know Covalent CompoundsWhat Are Covalent Compounds?Formation of Multiple Covalent BondsProperties of Covalent CompoundsWhat's in a Name? Covalent…
CROCODILE EGGSROLE REVERSALASEXUAL BUDDINGLIVE YOUNGFERTILIZATIONFIND OUT MOREAnimals reproduce in one of two ways. In asexual reproduction, animals produce young, which are identical to…
(Encyclopedia) harrow, farm implement, consisting of a wooden or metal framework bearing metal disks, teeth, or sharp projecting points, called tines, which is dragged over plowed land to pulverize…
(Encyclopedia) gunpowder, explosive mixture; its most common formula, called “black powder,” is a combination of saltpeter, sulfur, and carbon in the form of charcoal. Historically, the relative…
(Encyclopedia) spear, primitive weapon consisting of a wooden shaft tipped with a sharp point, usually 8 to 9 ft (2.4–2.7 m) in length. The point may be carved from the shaft and hardened in a fire,…
It's a Slippery Slope
Algebra
Graphing Linear Equations Climb Aboard the Coordinate Plane Sketching Line Graphs It's a Slippery Slope Kinky Absolute Value Graphs
The slope of a line is a…
(Encyclopedia) cloud computing, the delivery of shared computing resources over a network in a manner that makes accessing and configuring those resources convenient and largely independent of the…
Switching PartiesThe Supreme CourtElecting Our LeadersElection Machinery That WorksRemapping DistrictsPaying for CampaignsGetting the Word OutSwitching Parties Last minute party switching to…