Glitter Girl

Extend the Lesson

prosthetic

[prahs-THEH-tik]

A prosthetic body part replaces a body part that is missing.

WHITNEY CURTIS/AP IMAGES FOR SCHOLASTIC, INC.

3-D printer

[three dee PRIHN-tuhr]

A machine that makes a real object from a computer drawing. These printers shoot out plastic instead of ink. The object is built layer by layer.

ANDRZEJ WOJCICKI/SCIENCE PHOTO LIBRARY/Getty Images

improve

[im-PROOV]

When you improve something, you make it better.

Alamy Stock Photo

compressed

[cahm-PREST]

When something is compressed, it is pressed or squeezed tightly.

iStockPhoto/Getty Images

February 2019 Just Press Print