Cycle of the Hydrosphere
Unit 4 Lesson 1.1
Science | Grade 7
1
What is a Cycle?
• A sequence of events that repeat themselves.
• List a few items that can be considered a cycle.
Science | Grade 7
2
Cycles – Not Linear
• Cycles are not linear, meaning they do not move in a straight line.
• An example of a linear pattern in science looks like this:
Sun
Producers
Science | Grade 7
Consumers
3
Why is the water cycle not linear?
• Watch the video and list 3 reasons why the water cycle is not linear.
Water Cycle Video:
• https://youtu.be/al-do-HGuIk
• The water cycle is part of the hydrosphere, and it shows where all of
Earth’s water is located.
Science | Grade 7
4
Assignment Directions
• Create a model of the hydrosphere on a blank sheet of paper.
• If you have forgotten what a cycle diagram should like, please refer
back to Unit 2 Lesson 7 on the rock cycle.
Science | Grade 7
5