Simple Machine Science

If you ride a bicycle or a skateboard, or if own roller skates, you use wheels and axles. Readers discover the science behind these important simple machines. It's hard to go anywhere in our world today without seeing wheels and axles at work. Cars and trucks use these to take people to work and school every day. Tractors and wagons on farms have wheels and axles, too. Manageable text and vivid photographs help readers understand this basic science topic. A comprehensive glossary and a useful graphic organizer accompany the concepts presented, which aid readers in navigating this fun and fact-filled book.

The answers to what screws are, why we need them, and many more are, provided for curious readers. Screws help change a turning motion into an up-and-down movement. Screws, nuts, and bolts help keep many items in our world together. Readers will gain a valuable understanding of these simple machines through accessible text and colorful photographs. A comprehensive glossary and eye-catching graphic organizer aid readers in their exploration of these important science concepts.

You might not realize it, but you use many kinds of levers every day. The fork you use to eat, the broom you use to sweep, and the scissors you use to cut paper are all levers. Even the bones inside your body are levers. Levers help us lift things and get work done-readers learn all about the science behind levers in this fun and fact-filled book. Bright photographs and illustrations accompany accessible text to help readers understand the science concepts presented in this book. Readers will also find a detailed graphic organizer and glossary inside, allowing them to independently explore these simple machines.

Wedges are very useful simple machines. Some wedges, such as axes and knives, help us split things apart. Others, such as nails and pins, help us keep things together. Readers discover the science behind wedges in an educational and engaging way. Accessible text is presented alongside detailed photographs, helping readers independently learn fun facts about how wedges work and the ways we use them every day. A graphic organizer and glossary enhance the reading experience, allowing readers to explore essential science concepts in a thorough and enjoyable manner.

If you need to move something heavy from one height to another, you need an inclined plane. These simple machines help us go up, and they help us go down. Moving vans use them, and so do people in wheelchairs. Inclined planes can also help us keep a door open and let us do skateboarding tricks at the skate park. Accessible text and vivid photographs help readers understand this essential science topic. A helpful graphic organizer and a useful glossary allow readers to easily, navigate this book, making it a reading experience that is both educational and engaging.

Readers learn all about pulleys-the simple machines that help lift heavy objects. Pulleys are also, used to change the direction of a pulling motion. If you've sent a flag up a flagpole, you've used a pulley. The science behind pulleys is, explained through accessible text, including a helpful glossary of important terms. Vibrant photographs allow readers to see firsthand how these simple machines work, and a graphic organizer provides important facts in an eye-catching way. This book presents essential science concepts through creative methods, engaging readers.

You might not realize it, but you use many kinds of levers every day. The fork you use to eat, the broom you use to sweep, and the scissors you use to cut paper are all levers. Even the bones inside your body are levers. Levers help us lift things and get work done-readers learn all about the science behind levers in this fun and fact-filled book. Bright photographs and illustrations accompany accessible text to help readers understand the science concepts presented in this book. Readers will also find a detailed graphic organizer and glossary inside, allowing them to independently explore these simple machines.