Positives

• The explanation of the Earth's spheres is clear and concise. 
  
• The video breaks down the words biosphere and geosphere into their scientific prefixes and root words to help build scientific literacy.

Additional Prerequisites

• Students should be familiar with the basic concept that geology is the study of Earth materials and biology is the study of living things.
• There may be an ad before the video.
  

Differentiation

• Students could watch the video in pairs and draw a picture of the biosphere and geosphere to demonstrate their understanding.
• The video uses illustrated examples in which students can test their knowledge of the difference between the biosphere and geosphere.
  
• Other recommended resources include the second video in the four spheres series and this video on ecosystems.