Tia’s mom is always telling her not to waste water. But why is this so important? Follow her story and find out why water is precious and what small steps we can all take to help save it.
Molly’s bedroom is a mess and her toys are everywhere. She trips over one of them and hurts her knee, so she decides to sort through her toys to see which ones are worth keeping. Follow her story and find out why Molly's mom won’t let her just throw her toys away, and how we should reuse, repair, and share our things.
Leo is sad that trees were cut down in nearby woods to make way for new houses. He has lost his special place to play, but more importantly, many animals have lost their homes. Follow his story and find out about the loss of animal habitats, the problem of climate change, and the small steps we can take to protect the planet and its wildlife.
Tom and his mom usually drive to school, but they always get stuck in traffic. Follow his story and find out what happens when Tom walks to school, and why walking is so much better for our planet—and ourselves!
Nasir and Nadir are making a robot for their school’s junk model competition. They must use garbage that can be recycled. So just what can they use, and what will happen to the garbage they throw away? Follow their story to find out why we should use less plastic, what happens at landfill sites, and how we can reduce, reuse, and recycle.
Amara’s dad says they shouldn’t waste food. But why is this such a big problem? Follow their story and find out what happens to food waste, what can be composted, and how to reduce the amount of food we throw away.
Could an engineer that builds roads fix a problem on an airplane? Read about how different kinds of problems are solved by different kinds of engineers.
Engineers often look to nature to help them solve problems. Read about human technologies that have been inspired by animals and plants.
Technology can make work easier, safer, and more fun. But some technology can also be harmful to the environment. Read about how we can make responsible choices in our use of technologies to help lessen the harm to the environment.
Energy powers the things that make our lives easier, safer, and more fun. Read about the Earth-friendly tools that are used to gather energy.
We can all make good choices to do our part to care for Earth. Read about the importance of reducing, reusing, and recycling, as well choosing items that can be used over and over.
The only way we can learn about dinosaurs is by studying their fossils. Read about how comparing fossils shows us how different dinosaurs moved, what foods they ate, and how they protected themselves.
Starting with the Sun, this book looks at a desert food chain in the Sonoran desert in the United States, from a prickly pear cactus to a coyote.
Starting with the Sun, this book looks at an ocean food chain in Antarctica, from tiny plants called plankton to a large whale called an orca.
Starting with the Sun, this book looks at a pond food chain, from duckweed plants to a bird called a heron.
Starting with the Sun, this book looks at a food chain in a Central American rainforest, from a pea plant to a wild cat called an ocelot.
Did you know that a problem can have many different solutions? Read about how an engineer finds the best solution to solve a problem or meet a need.
Engineers build models to help them test how well their solutions will work. Read about how testing small-sized models helps them spot mistakes, make improvements, and create the best solution possible!
Computer scientists know how to follow steps, spot patterns, and fix problems to reach a goal. Read about how anyone can learn to think like a computer scientist!
Robots are machines that can do work on their own. Read about all of the different and exciting jobs robots do in our communities.
Did you know that an object can only move if a force is placed on it? Read about pushing and pulling—the forces that make objects move—and what happens when you change the strength or direction of a force.
Some objects must be made of certain kinds of materials to make them work the way they should. Read about how the properties of different materials, such as their hardness or weight, help make an object fit the job it is made for.
How does a frog grow? Follow the journey through a frog's life cycle, from the time the egg is laid, through it stage as a tadpole to becoming a fully grown frog.
How does a chicken grow? Follow the journey through a chicken's life cycle, from the time the egg is laid, through hatching as a chick to becoming a fully grown hen.
How does a butterfly grow? Follow the journey through a butterfly's life cycle, from the time the egg is laid, through hatching as a caterpillar, to forming a cocoon and emerging as a fully grown butterfly.
