The Hydrosphere

Reading and Materials List

Required Books

• Water: The Story of the Hydrosphere, 2nd Edition by Lynne Z. Petkovic, M.Ed., J.D.

Materials

Common Materials

• crayons, colored pencils, or markers
• blue food coloring (kit)
• small clear cups (kit)
• eye dropper (kit)
• scissors
• red food coloring (kit)
• graduated cylinder (kit)
• green food coloring (kit)
• large clear cups (kit)
• glue or gluestick
• sand (kit)
• pebbles (kit)
• dish soap
• measuring cups and spoons
• colored pencils
• yellow food coloring (kit)
• permanent marker (kit)

Lesson 1

• toothpicks, small sticks, wire, paper clips, skewers, dry spaghetti, or similar material (Option 2)
• clay, Play-Doh, Styrofoam balls, grapes, raspberries, blueberries, cubes of cheese, or other small objects (Option 2)
• cup of water
• cup or shallow bowl of water
• ground black pepper
• penny (kit)

Lesson 2

• pot
• measuring cup
• ice cube tray (kit)
• salt (10-15 Tbs)
• scale (kit)

Lesson 3

• hot water (not boiling, but warm enough to notice a difference)
• room temperature water
• cold water

Lesson 4

• modeling clay (kit)
• sponge (kit)

Lesson 5

• goldfish crackers

Lesson 6

• large zip lock bag (kit)
• tape

Lesson 7

• ice cube
• hair dryer
• plastic bag (kit)
• a small shallow baking dish

Lesson 8

• ruler or straight edge
• organic material* (8.2 - e.g. dead leaves or grass)
• soil (kit)

Lesson 9

• teaspoon (optional)
• timer (optional)
• white paper
• spoon
• tap water
• small spoon (for tasting)
• paper towel, cheesecloth, fabric, mesh, or another filtering material (optional)
• cup (optional)
• large plastic funnel (kit)
• calculator (optional)
• 2 large clear cups (kit)
• coffee filter (kit)
• gravel (kit)
• cotton balls (kit)
• dirt (kit)
• distilled water

Final Project

• crayons, colored pencils, or markers (optional)
• colored pencils or markers
• clear jar or container with a lid (kit)
• note cards (kit)
• poster board (optional)

* - denotes an optional material that may or may not be used