Free Homework Help

Our education staff publish regular articles, tips and tutorials to help students with their homework
Science Review of Matter and Antimatter 150 150 Deborah

Science Review of Matter and Antimatter

 Overview According to the Standard Model of Particle Physics, elementary and composite particles of matter exist. Both elementary and composite particles have corresponding antiparticles, as mirror images with the same masses and opposite charges. They annihilate one another upon contact. The observed universe is composed mostly of matter, with antimatter in small quantities, often produced…

read more
Math and Physics Review of Skiing and Snowboarding 150 150 Deborah

Math and Physics Review of Skiing and Snowboarding

Overview Athletes who ski or snowboard practice for long hours to perfect motions that will earn points in competition, and rely on experts such as coaches and sports scientists to help them win. Sports scientists know that winter sports such as skiing and snowboarding illustrate concepts such as force, gravity, friction, and momentum. Force, Gravity,…

read more
Math and Physics Review of Ice Hockey 150 150 Deborah

Math and Physics Review of Ice Hockey

Overview In the winter sport of ice hockey, players, sticks, and the puck all move at a rapid pace. Sports scientists know that the apparent chaos of the game is governed by math and physics principles such as laws of motion; angles, vectors; transfer of potential energy to kinetic energy; and force, impulse, and collision.…

read more
Science Review of Robots and Robotics 150 150 Deborah

Science Review of Robots and Robotics

Overview Scientists are as fascinated by the concept of artificial intelligence as science-fiction writers are by robots and robotics. Although scientists are far from creating one with the prowess of Commander Data or the robots in Isaac Asimov’s novels, they are learning a great deal about information and the limits of artificial intelligence. Robots The…

read more
Science Review of the Large Hadron Collider 150 150 Deborah

Science Review of the Large Hadron Collider

Overview The Large Hadron Collider is currently the world’s largest particle accelerator. It is located on the border between Switzerland and France, started up in 2008 and shut down for repairs in 2013. It is scheduled to restart in March of 2015, the International Year of Light. What Is It? The European Organization for Nuclear…

read more
Science Review of Teleportation 150 150 Deborah

Science Review of Teleportation

Overview Teleportation, or using the transporter, is a wonderful method of transportation in science fiction and fantasy. Wouldn’t it be great to avoid traffic jams and complicated connections by whisking one’s atoms from one place to another? According to quantum theory and the Uncertainty Principle, it may not be possible yet on a large scale.…

read more
Physics Review of Light and Invisibility 150 150 Deborah

Physics Review of Light and Invisibility

  Overview Visible light is a small part of the electromagnetic spectrum, which extends from radio waves to gamma rays. All frequencies of the electromagnetic spectrum obey similar laws, so that they can travel through some substances, bend around others, and stop by others that block their travel. The properties of the electromagnetic system, as…

read more
Math and Physics Review of Football 150 150 Deborah

Math and Physics Review of Football

Overview The matchup between NFC West Champion Seattle Seahawks and AFC East Champion New England Patriots promises thrilling gridiron action during Super Bowl XLIX. Behind the scenes, principles of math and physics determine the shape of the ball itself, the running game, the passing game, and the kicking game. Footballs and Ellipses Many sports from…

read more
General Review of the SAT 150 150 Deborah

General Review of the SAT

Overview The SAT is a standardized test that is primarily used for college admissions testing. It is a part of life for many high-school juniors and seniors, and an important part of the package that prospective college students provide to admissions officers. The test has a long history in the United States, and is especially…

read more
Science Review of Earthquakes, Volcanoes, and Plate Tectonics 150 150 Deborah

Science Review of Earthquakes, Volcanoes, and Plate Tectonics

  Overview The planet Earth is not a uniform, cold, solid ball. Scientists believe that as it condensed from the cloud surrounding the sun, it formed in many dynamic layers, some cold and solid, some hot and liquid, and some hot and pliable. As the layers interact, they give rise to cataclysmic events such as…

read more

Enter your
text here