Readers learn how this simple machine makes it easier to split things apart or stop them from moving. They learn how thicker wedges need more force to split something apart than thinner wedges. By the end of the book, readers know the difference between complex and simple machines and how wedges are used in everyday life to make work easier.
Describes the scientific concepts of heat, melting, freezing, and boiling using everyday cooking examples. Includes experiments.
What kind of mouse has no ears, nose, or feet? A computer mouse! This book teaches students how a mouse and a computer work together. When you move your mouse, the cursor on your screen moves, making it quicker and easier to perform tasks on your computer. All the components of a computer mouse are outlined and give a better understanding of this important and useful computer tool. And, they dont squeak or have fur! This book will allow students to make observations and/or measurements of an objects motion to provide evidence that a pattern can be used to predict future motion.
Can you imagine having to actually get up to change the channel on your TV? Well, before the remote control was invented, thats exactly what you had to do. A remote control can actually turn your lights on and off, change the temperature in a room, and even lock your doors! But, be sure not to lose it or YOU might actually have to get up and do it for yourself! This book will allow students to ask questions to determine cause and effect relationships of electric or magnetic interactions between two objects not in contact with each other.
Where would we be without the Internet? How would you research a school project or look for things you want to read about or buy online? This book details just what the Internet is, how it works, and how to be responsible when using it. So, be safe and happy surfing! This book will allow students to ask questions, make observations, and gather information about a situation people want to change to define a simple problem that can be solved through the development of a new or improved object or tool.
Speakers have only one job. To deliver sound! Whether its your iPod, radio, or television, without speakers you wouldnt be able to hear anything. From currents, to magnets, coils and cones, and amplification and volume, all the intricate parts of a speaker are addressed to show how they make sound possible. So, put your headphones on and start listening to your favorite sounds! This book will allow students to plan and conduct investigations to provide evidence that vibrating materials can make sound and that sound can make materials vibrate.
Bluetooth devices use radio waves to connect. It makes the things we do every day so much more convenient. No wires, cables, or cords, allows you to take computers, game controls, and many other objects from room to room. But how does it work? Learn about the signals these devices send to talk to each other and make your technology easier to use. This book will allow students to use tools and materials to design and build a device that uses light or sound to solve the problem of communicating over a distance.