Watch an listen to the video carefully. Pay more attention to the concepts and definitions. Complete the gaps with the information in the video.

how to ask for information and make inquiries in English

This video shows a simple explanation of sound and its main characteristics. It is useful when teaching science to elementary students.

Science - What Is Sound

science-what-is-sound

Let's do English ESL general grammar practice. Watch an listen to the video carefully. Pay more attention to the concepts and definitions. Complete the gaps wit…