- Selvas, por Nadia Higgins
- Pulleys, by Erika S. Manley
- Screws, by Kirsten Chang
- Eyes, by Imogen Kingsley
- Wheels and axles, by Kirsten Chang
- Ecologist, by R.J. Bailey
- Chernobyl, by Nikole Brooks Bethea
- What is money?, by Nadia Higgins
- Arrecifes de coral, por Nadia Higgins
- Inclined planes, by Kirsten Chang
- Trains, by Tessa Kenan
- Boats, by Tessa Kenan
- Caves, by Rebecca Pettiford
- Different cultures, by Rebecca Pettiford
- Inclined planes, by Kirsten Chang
- Garden spiders, by Kristine Spanier
- Los trenes, por Tessa Kenan
- Different interests, by Rebecca Pettiford
- Moose, by Cari Meister
- Caves, by Rebecca Pettiford
- Inclined planes, by Kirsten Chang
- Las arañas de agua, por Jenna Lee Gleisner
- Being honest, by Rebecca Pettiford
- Hindenburg, by Jenny Fretland VanVoorst
- Canyons, by Rebecca Pettiford
- Las arañas saltadoras, por Jenna Lee Gleisner
- Eyes, by Imogen Kingsley
- Coyote, by Cari Meister
- Trapdoor spiders, by Kristine Spanier
- Las arañas de jardín, por Kristine Spanier
- Coyote, by Cari Meister
- Wheels and axles, by Kirsten Chang
- German shepherds, by Kaitlyn Duling
- Jumping spiders, by Jenna Lee Gleisner
- Different abilities, by Rebecca Pettiford
- Challenger, by Jenny Fretland VanVoorst
- Different families, by Rebecca Pettiford
- Airplanes, by Jenny Fretland VanVoorst
- Birds, by Karen Latchana Kenney
- Bees, by Karen Latchana Kenney
- What is money?, by Nadia Higgins
- Geologist, by Nikole Brooks Bethea
- Poodles, by Kaitlyn Duling
- Helicopters, by Jenny Fretland VanVoorst
- Screws, by Kirsten Chang
- Rottweilers, by Nadia Higgins
- River otters, by Cari Meister
- Airplanes, by Jenny Fretland VanVoorst
- Las tarántula, por Kristine Spanier
- Pulleys, by Erika S. Manley