The following information will help you make some of the projects in this section. If a special skill is needed, the directions will tell you the page on which that skill is explained. For example:…
I don’t think about my face very often, because I live behind it. But other people notice it. Sometimes they don’t seem to believe I look like myself. Grandma thinks I’m like her side of the family….
The astronomer scans the depths of space To find an unknown star. But how will he know its distance? Mathematics soon tells him how far! The engineer plans a gleaming bridge, To span a broad, blue…
Recent Comments