Pingry School
Determination of Molar Mass by Boiling Point Elevation
Francis Raoult discovered the change in boiling points of solutions varies by the number of particles in the solution. Scholars apply the concept to determine the molality of a solution based on the change in boiling point. They use an...
Ziptales
The Pied Piper of Hamelin: The Mystery of the Children of Hamelin
Which is more likely: 130 children followed a magical piper out of Hamelin and disappeared forever, or that they died of the plague? Or could they have escaped from Hamelin via a secret tunnel to Transylvania? Learners investigate...
Germantown School District
Close Reading World Religions: Islam
As part of a close reading activity, individuals respond to three questions and craft two short essays based on a passage about Islam, one of the world most widespread religion.
Corbett Maths
Loci Part 3
How do you use a scale drawing to find the region in a lake where a treasure is located? The narrator of a short video problem identifies three criteria to determine the location of the treasure. Using a compass and ruler, he determines...
Corbett Maths
Loci Part 1
Where can it go? The first video on loci develops a definition and provides some quick sketches of the loci of all points with given characteristics. The presenter does an example of the loci of points a given distance from an L shape.
Corbett Maths
Median for a Frequency Table
Try to find the middle of a frequency table. Using a frequency table of ages, the video shows how to use a formula to determine the position of the median. The resource uses frequency tables with both even and odd numbers of data points.
Pingry School
Flame Tests
Light a fire in your pupils! Scholars conduct a flame test and observe the emission spectra of several different salts in an enlightening hands-on investigation. They use their observations to make comparisons and conclusions about the...
Pingry School
Scientific Notation and Calculations – Energies, Frequencies, and Wavelengths of Photons
The calculator has an interesting way of displaying numbers in scientific notation, but don't let that confuse your pupils! A lesson designed to give learners practice with scientific notation and calculators provides several practice...
Pingry School
Determination of the Molar Mass of an Unknown Acid
Acids and bases have a love-hate relationship. They balance each other so nicely, but they are complete opposites! Learners use these concepts and titration to calculate the molar mass of an unknown substance. The experiment...
Pingry School
The Alchemist's Dream – Copper into "Gold"
Many scientists attempted alchemy for hundreds of years before a full understanding of metals became clear. Scholars take a penny and, through two different chemical reactions, make it appear to turn into silver and later gold. They...
Pingry School
Gas Pressure and Temperature Relationship
Humans tend to huddle together when cold and move around more when warm, but do gas particles follow the same pattern? Scholars use a temperature probe, a pressure sensor, and air to study the relationship between temperature and gas...
CCSS Math Activities
Vincent’s Graphs
What in the world are they doing? Given two graphs, scholars interpret the graphs and connect them to a real-world situation. They must also draw a graph given information about a context.
Corbett Maths
Coordinates and Shapes
Where is the point? Given three points on the coordinate plane, the video walks through the steps to find the location of the fourth point to create a given special quadrilateral. The narrator first determines the coordinates of the...
Corbett Maths
Loci Part 2
Closer to this point and farther from that one. Continuing with loci problems, a short video shows how to work problems that are not straightforward. The presenter works loci problems that result in a region that meets several criteria.
Corbett Maths
Construct a 45 Degree Angle
Create a 45-degree angle without bisecting an angle. A video shows a method to construct a 45-degree angle without needing to bisect a right angle. By constructing an isosceles right triangle, the presenter constructs a 45-degree angle...
Corbett Maths
Construct a 30 Degree Angle
Split it down the middle. Using the tools of geometric construction, the video shows two different methods of constructing a 30-degree angle. The first method bisects an angle of an equilateral triangle. The second uses the diagonal of a...