Discontinuities in the graph? No worries. Pupils investigate the limit of a function given graphically using an interactive. The graph has removable and jump discontinuities.

Illusions are what your mind makes them. Learners view several optical illusions. After each illusion the resource describes what is seen and the potential connection to evolution of the brain. Illusions include seeing different objects...

In this interactive grammar activity, students read 22 sentences and choose the word "has" or "have" from the drop-down menu to complete each sentence.

In this addition and subtraction problem solving worksheet, 3rd graders use addition and subtraction skills to answer ten multiple choice word problems.

Shock your class with an exciting interactive about electric fields! Physical science superstars visualize the transparent world of electric fields by changing the charge on a stationary object. They then observe changes in the resulting...

When molecules of hydrogen and oxygen are combined, how does water form? Science scholars observe changes in kinetic and potential energy during a chemical reaction in an interactive. The resource features easy controls that allow users...

Physics class has its ups and downs ... especially when it involves energy concepts! Scholars analyze information to determine changes in kinetic and potential energy using an interactive resource. Realistic scenarios make connecting...

Almost every American is familiar with the Supreme Court case of Brown vs. Board of Education. Far fewer understand the constitutional reasoning or the wide-ranging consequences of the ruling in the field of criminology. The interesting...

Which has the higher IQ, latitude or longitude? Longitude because it has 360 degrees! The interactive introduces the way latitude is measured and why it can never have more than 90 degrees. A handful of challenge questions encourage...

While America says it welcomes from other countries the tired and poor yearning to be free, the record is mixed on whether there has been a warm reception for immigrants. Class members use an interactive graphic scale and primary source...

In this interactive grammar worksheet, students add the word is, are, has or have into each of the ten sentences.

Get straight answers on a curved grid. An interactive has learners apply the Law of Cosines to find the distance between two points on the polar coordinate plane. The pupils use the radii lengths and the angle between the two radii...

Logically speaking, here is a great resource. Young mathematicians apply an interactive to consider the converse, inverse and contrapositive statements. Eight challenge questions assess understanding of the material.

An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions. 

Can your scholars solve the mystery of why salts dissolve? A virtual workbench allows them to experiment with temperature and solubility with no solution prep and no post-lab clean up! Users determine the solubility of a variety of...

Colorful cobalt complexes make a great way to learn about Le Chatelier! Eager chemists explore equilibrium through a virtual lab. Individuals use solutions with two different concentrations and observe the color changes that indicate...

Did you know that mastaba means bench in Arabic? Learn why a mastaba was so important to ancient Egyptian architecture. Middle and high schoolers alike stay entertained while reading a passage that describes the virtual tour of...

Interactive is the way to go! Type, click, and answer is what your class will do as they work through 4 different activities which provide practice using the auxiliary verbs have and has. Use this activity at an independent work station,...

The educational opportunities are overwhelming with this (almost) complete anthology and history of every Super Bowl since 1968. Excite your football enthusiasts with information that can be used to create cross-curricular...

Americans love to learn about their rights, especially those that protect them from the government's power to invade their privacy. Young people are especially engaged by this topic. An informative lesson explores four Supreme Court...

Supreme Court justices debate the meaning of the US Constitution, but we expect teachers to explain it to scholars with far less training and experience. A daunting task for sure, but it's not insurmountable with resources that simplify...

Time to turn the heat up on your next bonding lesson! Young chemists explore temperature, kinetic energy, and bonding through an interesting interactive. The controls allow individuals to vary the temperature, as well as pause progress...

How can one court acquit someone of a crime, while another convicts the person of the same one? It's all because of the differences between civil and criminal trials. An informative resource provides scholars in the field of criminology...

An above-average vocabulary test: given a vocabulary word in the context of a sentence, pupils must decide, using their knowledge of the word's meaning along with context clues, if the word is used correctly or not. This activity...