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How Things Work
Theme Unit

Short Reading Comprehensions
Short Readers
     How Are Ocean Waves Made? (Short Reader; Grades 2-4 Readability)
     How Does Soap Make Bubbles? (Short Reader; Grades 2-4 Readability)
     How Does a Vacuum Cleaner Work? (Short Reader; Grades 2-4 Readability)
     Rubik's Magic Cube (Short Reader; Grades 3-4 Readability)
     How Does a Kite Fly? (Short Reader; Grades 3-5 Readability)
     It Glows in the Dark! (Short Reader; Grades 4-5 Readability)
     How Do Submarines Work? (Short Reader; Grades 4-6 Readability)
     How Does a Seismograph Work? (Short Reader; Grades 5-8 Readability)
     How Do Microwaves Work? (Short Reader; Grades 5-8 Readability)


Reading Comprehensions
Living Things
     How Do Frogs Croak? (Grades 4-6)
     How Do Jellyfish Move? (Grades 4-6)
     How Do Bees Make Honey? (Grades 4-6)
     How Do Bears Hibernate? (Grades 5-8)
     How Do Guide Dogs Do Their Job? (Grades 6-8)
     How Do Search and Rescue Dogs Do Their Jobs? (Grades 6-8)
     How Does Animal Camouflage Work? (Grades 6-8)
     How Do Coral Reefs Form? (Grades 6-8)
     How Do Fish Swim in Schools? (Grades 6-8)
     How Do Electric Eels Produce Electricity? (Grades 6-8)
     How Do Penguins Survive the Cold? (Grades 6-8)
     How Do Ants Build Colonies? (Grades 6-8)
     How Do Spiders Spin Their Webs? (Grades 6-8)
     How Does Poison Ivy Work? (Grades 6-8)
     How Does a Venus Flytrap Trap Flies? (Grades 6-8)

Miscellaneous
     Twinkle, Twinkle (Grade 1)
     Bicycles: Riding Out In The Open (Grades 3-4)
     How Do X-Rays Work? (Grades 3-6)
     How Stethoscopes Work (Grades 3-6)
     How Do Toasters Work? (Grades 3-5)
     How Do Zippers Work? (Grades 4-6)
     How Do Light Bulbs Work? (Grades 4-6)
     How Does a TV Remote Control Work? (Grades 4-6)
     How Do Smoke Detectors Work? (Grades 4-6)
     How Do Spray Cans Work? (Grades 4-6)
     How Vaccines Work (Grades 4-8)
     How Do Batteries Work? (Grades 5-8)
     How Does a Refrigerator Work? (Grades 5-8)
     How Does a TV Work? (Grades 5-8)
     The Heat Meter (Grades 6-8)
     How Do Solar Cells Work? (Grades 6-8)
     How Do Windmills Produce Energy? (Grades 6-8)
     How Do Twisty Light Bulbs Work? (Grades 6-8)
     How Is Paper Recycled? (Grades 6-8)
     How Do Washers and Dryers Work? (Grades 6-8)
     How Does a Sewing Machine Work? (Grades 6-8)
     How Does an Air Conditioner Work? (Grades 6-8)
     What Makes Popcorn Pop? (Grades 6-8)
     How Does Baking Work? (Grades 6-8)
     How Is Cereal Made? (Grades 6-8)
     How Infrared Works (Grades 6-8)
     How Does Sunscreen Work? (Grades 6-8)
     How Eyeglasses Work (Grades 6-8)
     How Does a Tornado Work? (Grades 6-8)
     How Does a Microwave Oven Work? (Grades 7-9)