"What is that color? Optical illusions are tricks that our eyes and brain play on us to make us see things differently-like colors that switch to their opposites when you stare too long or sneaky shades that are really the same. Explore cool color illusions and learn the science behind what makes them work. Then, take a turn making your own optical illusion. Get ready to be eye-mazed!"--
"The image is clear. Or is it? Optical illusions are tricks that our eyes and brain play on us to make us see things differently-like an image that shows two different things, depending on how you look at it. Explore ambiguous images and learn the science behind what makes them work. Then, take a turn making your own optical illusion. Get ready to be eye-mazed!"
A soccer ball goes this way and that from player to player as it zips across the field. A baseball goes flying to a batter and--crack!--zooms far away after making contact with a big swing. Forces in motion are around us everywhere! They make things change direction and so much more. Explore exciting science concepts through fun examples and simple, lively text to set learning into motion.
A fast-flapping bird zooms through the sky. A tired turtle creeps along at a slow, lazy pace. Forces in motion are around us everywhere! They make things move at every speed. Explore science concepts through fun examples and simple, lively text to set learning into motion.
A big push can help your sister reach new heights on the swing, and a helpful hand can pull her up if she falls. Forces in motion are everywhere. They make things move with a tugging pull or a great, big push. Explore exciting science concepts through fun examples and simple, lively text to set learning into motion.
Friends at a fair go spinning around the merry-go-round. Wheels on a bike send riders rolling down a hill. Forces in motion are around us everywhere! They make things move in many ways, including by spinning and rolling. Explore exciting science concepts through fun examples and simple, lively text to set learning into motion.
We have gone from writing on clay to keeping in touch over video calls. Look to the past to learn all about communication. Book jacket.
"Sometimes, when I eat too quickly I-hic! Why does my body do that? Explore the silly body science of hiccups. Learn how they happen, what can be done to stop hiccupping, and more. Lively text and bright layouts makes this a perfect fit for budding scientists asking big body questions"--
"Who do go see when you are sick? A doctor! Read all about these important community helpers"--
Colorado is known for the tall peaks of its beautiful mountains. But is there something else lurking there? From ghosts in haunted hotels, to glowing orbs in cemeteries, there is more to Colorado than meets the eye. Get ready to read four spooky stories about Colorado.