Encyclopaedia Britannica
Waves and Vibration
Overview of the relationship between frequency and period in waves.
Curated Video
Using Color Tiles to Solve Length Word Problems
This video is a lesson on solving length word problems using color tiles. It demonstrates how color tiles can be used as a visual tool to help students understand and solve measurement problems involving addition and subtraction.
Mazz Media
Simple Machines
Students learn to define and recognize the six simple machines: the inclined plane, the wedge, the screw, the lever, the wheel and axle, and the pulley. Real life situations demonstrate the function and purpose of each machine. Students...
Curated Video
Using a Story Mountain to Revise Your Narrative Writing
In this video, the teacher explains how writers organize the sequence of events in their writing to create a natural and logical flow. They introduce the concept of a story mountain and guide students through the process of planning and...
Visual Learning Systems
Pulleys: Exploring Their Functions and Types
This video provides an introduction to pulleys as simple machines. The video describes the basic components of a pulley and distinguishes between two main types of pulleys: fixed pulleys and movable pulleys. This video is part of the...
Visual Learning Systems
The Nature of Waves: Properties of Waves
Upon viewing the The Nature of Waves video series, students will be able to do the following: Define waves as traveling disturbances that carry energy through matter or space. Explain that waves do not actually move matter. Instead,...
Language Tree
Intro Spanish Lesson: False Cognates
A common mistake for beginner Spanish learners is to assume that a Spanish word and and an English word that look or sound alike has the same meaning. In this lesson, you'll learn which words are "false cognates". False cognates may look...
Visual Learning Systems
Waves: the Nature of Waves
This video explores the characteristics of waves. It explains the speed of waves, how this value is calculated and the four basic interaction between waves. Other terminology includes: vibration, crest, trough, amplitude, wavelength,...
Curated Video
Dividing with Fractions: Using Visual Fraction Models
In this video, the teacher explains how to solve division problems with fractional answers using visual fraction models. The examples given involve sharing licorice ropes and lemonade equally among a certain number of children. The...
Visual Learning Systems
Waves: Transverse Waves
This video explores the characteristics of waves. It explains the speed of waves, how this value is calculated and the four basic interaction between waves. Other terminology includes: vibration, crest, trough, amplitude, wavelength,...
Visual Learning Systems
The Nature of Waves: Types of Waves
Upon viewing the The Nature of Waves video series, students will be able to do the following: Define waves as traveling disturbances that carry energy through matter or space. Explain that waves do not actually move matter. Instead,...
Getty Images
Skyscraper Window Cleaners
Two industrial climber wash skyscraper windows. Window Cleaners
Getty Images
Top view of professional workers washing and cleaning window of building.
Outdoor high angle view of professional workers hanging in group through rope and washing, cleaning external side of glass window of high rise building at day time. Shoot location Gift City, Gandhinagar, Gujrat, India.
Getty Images
Top view of professional workers washing and cleaning window of building.
Outdoor high angle view of professional workers hanging in group through rope and washing, cleaning external side of glass window of high rise building at day time. Shoot location Gift City, Gandhinagar, Gujrat, India.
Getty Images
Leaf on rope
Video of a dry leaf selected focus hang on rope is in the wind with blur green tree background
Getty Images
Shipyard worker paint the ship
Shipyard worker paint the ship:High Definition 1920x1080 Format
Getty Images
MS DS Anchor being dropped to ocean floor AUDIO / Florida, United States
MS DS Anchor being dropped to ocean floor AUDIO / Florida, United States
Getty Images
MS Anchor being dropped to ocean floor AUDIO / Florida, United States
MS Anchor being dropped to ocean floor AUDIO / Florida, United States