ACT

Introduction to Probability: Events

Introduction to Probability: Events 552 413 School Tutoring

An event is a collection of possible outcomes. For example, the act of dolling a dice is an event. The collection of possible outcomes is that you will roll a…

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Physics Revisit: Waves

Physics Revisit: Waves 620 324 School Tutoring

The wave is a new concept for most students. When there is only one wave, you only need to worry about four things: wavelength, frequency, amplitude and velocity. Wavelength is…

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Four Rules to Remember When Dealing With Exponents

Four Rules to Remember When Dealing With Exponents 200 166 School Tutoring

There are four important rules you must always remember when solving questions dealing with exponents. Rule One: When you multiply two exponents with the same base, add the exponents. Examples…

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Review of Macromolecules

Review of Macromolecules 371 239 School Tutoring

Macromolecules are any molecules which contain a very large number of atoms. There are four main classifications of macromolecules: carbohydrates, lipids, nucleic acids, and proteins.   Carbohydrates Carbohydrates are organic…

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How to Solve Ratio Questions

How to Solve Ratio Questions 328 291 School Tutoring

A ratio is a simplified comparison between two or more components. For example, if a person A, and a person B is going to start a business. They don’t know…

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Periodic Trends: Electron Affinity

Periodic Trends: Electron Affinity 823 367 School Tutoring

Specific patterns of certain elemental characteristics are present in the periodic table. The tendencies of these patterns increase or decrease as you move along the columns and rows of the…

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Introduction to the Pythagorean Theorem

Introduction to the Pythagorean Theorem 300 239 School Tutoring

The Pythagorean Theorem relates the lengths of the three sides of any right angle triangle. The two sides of the triangle that meet at the right angle are normally labelled…

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Mean, Median and Mode

Mean, Median and Mode 400 300 School Tutoring

Mean, median and mode are three types of questions that may be asked on the SAT and are great way to sort data for statistics and probability. The mean is…

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Introduction to Conics

Introduction to Conics 737 541 School Tutoring

Conics is the study of the graphs of ellipse, parabola, and hyperbola. The reason that these graphs are under the broad title of Conics is that you can obtain them…

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Science Review: DNA Replication

Science Review: DNA Replication 437 180 School Tutoring

DNA replication is the process in which DNA is duplicated. This important process happens before the cell divides. In eukaryotes, replication takes place in the nucleus, whereas in prokaryotes, it…

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