Bat and Owl: Night Hearing
Find information and a video about the nocturnal predator bat, its use of echolocation to find prey and ultrasound songs to attract a mate.
Convert Customary Units of Weight
In this video, Carlos learns how to convert between pounds and tons.
Division as Repeated Subtraction
In this video, Emily learns how to divide by using repeated subtraction.
Falcon Sense of Sight
Find information and a video about the peregrine falcon and the wedge-tailed eagle, birds of prey with exceptional eyesight for catching their prey…
Grammar Song: Different Types of Nouns
Use collective nouns when referring to one or more person, place, or thing. Apostrophes can also be used to show possession.
Grammar Song: Types of Punctuation Marks
Know the punctuation you need in every situation. This grammar song explains when to use commas, parentheses, quotations, semicolons, hyphens, dashes…
How to Calculate the Slope
This video explains how to find the steepness of a hill by calculating its slope, or rise divided by run.
How to Solve an Equation With Variable Terms
This video explains how students can set two expressions equal to each other, then find the value of the variable that makes the expressions equal…
Measure With Unit Angles
In this video, Zeke learns different ways of calculating angles using known angles.
Newton's First Law of Motion
This animation demonstrates Newton's first law of motion, also known as the law of inertia.