Sally M. Walker
Author
Accelerated Reader
IL: LG - BL: 4.8 - AR Pts: 1
Language
Español
Description
Where does electricity come from? How does it make a computer run or a light bulb shine? Electricity is a form of energy that can be used in many ways. Starting with the tiny particles that make up atomselectrons, protons, and neutronsthis book highlights the basics of how electricity works and furthers understanding through a series of easy-to-do experiments.
Author
Language
Español
Description
What are magnets? Why are magnets found inside machines such as televisions, radios, and telephones? What do atoms and the tiny particles that make up atoms-protons, neutrons, and electrons-have to do with magnetism? Magnets provide forces that have the power to push or pull other objects. Easy-to-do experiments help readers explore the central principles of magnetism.
Author
Series
Accelerated Reader
IL: LG - BL: 3.3 - AR Pts: 1
Language
English
Description
Of the six simple machines, the wheel and axle is probably the most recognized. But how does it help you work? Simple and fun experiments illustrate the basic concepts explained in the text to show you just how easy work can be.
4) Pulleys
Author
Series
Accelerated Reader
IL: LG - BL: 3.6 - AR Pts: 1
Language
English
Description
How does a pulley work? What is it? Colorful diagrams and fun-to-do experiments help you explore the many ways this simple machine can help make work easier and faster.
5) Screws
Author
Series
Accelerated Reader
IL: LG - BL: 3.5 - AR Pts: 1
Language
English
Description
We've all seen screws, but how do they work? Why is it easier to screw something into something than to simply push it in? With basic hands-on experiments and clear descriptions, this simple machine is explained.
7) Levers
Author
Series
Accelerated Reader
IL: LG - BL: 3.3 - AR Pts: 1
Language
English
Description
Do you know what a lever is? How can a lever help you? Through simple experiments and clear explanations, understand how this simple machine functions and how it can make the work that you do easier.
8) Work
Author
Series
Accelerated Reader
IL: LG - BL: 2.8 - AR Pts: 1
Language
English
Description
What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental concepts, discover how you work, and how simple machines make doing work easier.