Grade 3

It's a big question—can snakes predict earthquakes? Snakes are incredible, as are the ophiologists who study them! Snakes senses are powerful, but it's hard to believe that they can predict… Read More →

It’s a big question—are these tiny machines changing our world? Nanotechnology is an exciting field, where nanotechnologists are working on incredible tiny projects that could have gigantic… Read More →

It's a big question—can trees talk to each other? Trees are incredible, as are the dendrologists who study them! They are big players in the ecosystem, and we need to take care of them. They Read More →

It's a big question—can volcanoes turn the moon blue? Volcanoes are incredible, as are the volcanologists who study them! Volcanic eruptions are powerful, and it's amazing that their effects Read More →

Something buzzes past your ear. A yellow-and-black insect flies to a colorful flower. It crawls around and then zooms away. Did you just see a bee? Or was it a wasp? These animals look very… Read More →

A dinosaur sticks its tiny head between the trees. It reaches for plants with its long neck and spoon-shaped teeth. Was that beast a Brachiosaurus? Or was it an Apatosaurus? These dinosaurs… Read More →

An insect with four large wings lands on a plant. It waves its antennas and sips sweet liquid from a flower. Did you just see a butterfly? Or was it a moth? These animals look very similar, Read More →

A huge tan cat with black spots on its fur crouches in the grass. Its long tail twitches as it hunts for food. Did you just see a cheetah? Or was it a leopard? These animals look very… Read More →

A doglike animal chases a rabbit in the dark. It pauses, howls at the moon, and then runs off with the rest of its pack. Did you just see a wolf? Or was it a coyote? These animals look very Read More →

An insect sits on a blade of grass. It makes a sound that fills the warm air. Then it bounds away in a huge hop. Did you just see a grasshopper? Or was it a cricket? These animals look very Read More →

An animal with smooth, gray skin jumps from the ocean waves. Its tail waves up and down before it quickly dives again. Did you just see a dolphin? Or was it a porpoise? These animals look… Read More →

Something small and green hops through the wet grass. It watches with big, round eyes. Then its long tongue shoots out from its mouth. It caught an insect! Did you just see a frog? Or was it Read More →

A small animal with a long body and short legs crawls along the ground. Suddenly, a hungry snake attacks. The animal runs away. But it leaves its tail behind! Did you just see a salamander? Read More →

A fearsome dinosaur stomps around on two legs. It swipes its sharp claws and shows off its pointy teeth. Was that monster a Giganotosaurus? Or was it a Spinosaurus? These dinosaurs looked… Read More →

A four-legged animal grazes in a grassy pasture. It swishes its hairy tail. Its flowing mane bounces as it trots away. Did you just see a horse? Or was it a pony? These animals look very… Read More →

A large, scaly animal with long jaws floats in the water. Its powerful tail swishes as it swims along. Did you just see an alligator? Or was it a crocodile? These animals look very similar, Read More →

A huge bird with a long neck and big eyes looks up from eating. Then it runs away on its strong legs. Did you just see an ostrich? Or was it an emu? These animals look very similar, but… Read More →

A whiskery face pops out of the water. The animal comes to shore for a sunbath. Then it dives back into the ocean to catch fish. Did you just see a seal? Or was it a sea lion? These animals Read More →

A dinosaur with an armored back chomps on plants. It swings its tail at a hungry meat eater. Was that a Stegosaurus? Or was it an Ankylosaurus? These dinosaurs looked similar, but they were… Read More →

A dinosaur with pointy horns searches for a meal. It tears leaves off branches with its strong beak. Was that a Triceratops? Or was it a Protoceratops? These dinosaurs looked similar, but… Read More →

A huge dinosaur stomps around on two legs. It hunts with sharp teeth and claws. Its head is large, but its arms are tiny. Was that a Tyrannosaurus? Or was it an Allosaurus? These dinosaurs… Read More →

A small, fierce dinosaur follows its nose. Its tail helps it balance. Then it sinks its sharp teeth and claws into its next meal. Was that a Velociraptor? Or was it a Deinonychus? These… Read More →

Why doesn't Berra have a grandfather? And how can he get one? Ulf suggests that there are plenty of old men at the retirement home. Berra and Ulf go there together to find one—ideally one who Read More →