検索キーワード： 著者 "Tracy Vonder Brink" すべてのカテゴリー

Hop to it! Do you know how or why a kangaroo hops and leaps? Learn how their legs, feet, and tail help a kangaroo move which starts with bouncing! Like humans, kangaroos' legs are made for how they move! While we walk upright, they jump and leap! Kangaroos use their tail to slow down. Find out why they are the largest and most powerful marsupials!

Have you ever been sick with strep throat? It's an illness caused by bacteria that gives you a painful sore throat! Learn how doctors can diagnose it by your symptoms and a test, and how medicine can cure strep throat so you can get better. Be sure to take all of the medicine until its gone if you have strep. You might even impress your doctor on your next visit with your new knowledge!

This story shows how prosthetics have changed over time in the way they have been created and allowed mobility. You will also learn how technology has allowed prosthetics to help even more people in ways than they ever have before. Prosthetics help people to walk and run, hear, eat, and to even help them stay alive!