2-5 Notes: Water Underground (Part 1) Pages 68-69

2-5 Notes: Water Underground (Part 1) pages 68-69 Name:

Underground Layers Hour:

 Where does underground water come from?

Precipitation falling to Earth… Fold along this line

Glue this side of the page into your ISN on page _____  The rain water that soaks into the ground trickles using 6 small dots of glue. downward, following the pull of ______.

 What happens when you pour water into the pitcher of pebbles?

 The water will ______around the pebbles until it reaches the bottom of the pitcher. Then the water will fill up the spaces ______the pebbles.

 In the same way, water underground trickles down between particles of ______and through ______and ______in layers of rock. p.1 Pore Space  Different types of rock and soil have different sized spaces, or ______, between their particles.  How easily water moves through the material depends on: o ______of the pores o whether or not the pores are ______

Permeable vs. Impermeable  Materials that allow water to easily pass through, or permeate, are called ______.  Examples: ______ Water will eventually reach layers of material that it ______pass through. These materials have few or no pores or cracks for water to ______through.  Materials that water cannot pass through easily are called ______materials.  Examples: ______ Once water reaches an ______layer it is trapped! Where can it go?  The water will start to fill up the spaces ______it, the permeable layers it just soaked through. p.2 p.3 More Vocabulary

 ______= the area of permeable rock or soil that is totally filled, or saturated with water

 ______= the top of the saturated zone (where you dig to strike groundwater!)

 ______= the layer of rocks and soil above the water table (the pores here contain air and water)

Recreate Figure 17 in the space below. Use color and labels.

p.2 p.3