Ages 7 to 8

Is the brain the largest organ in the human body? What happens to the brain when we fall asleep? Why does a song get stuck in my head? We at World Book answer all of your questions related to the brain and head. Answer Me This, World Book answers...

Who invented candy? How do tomatoes turn red? How good is lava at popping popcorn? We at World Book answer all of your questions related to food and eating. Answer Me This, World Book answers questions about such topics as inventions, sea creatures, and...

What is plankton? How do sea otters sleep? Why don't we have gills? We at World Book answer all of your questions related to sea creatures. Answer Me This, World Book answers questions about such topics as food, inventions, and the environment, too. We...

Who was Marie Curie? Who was Confucius? Did George Washington Carver invent peanut butter? We at World Book answer all of your questions about people—and things that aren’t people, like places. Answer Me This, World Book answers questions about such...

Can I eat a wolf for supper? Do emus bite? Is a blobfish made of jelly? We at World Book answer all of your wild animalrelated questions—and not only questions about animals eating stuff . . . or you eating animals. Answer Me This, World Book answers...

How long will the sun burn? How hot can the sun be? Why does the sun go away at night? We at World Book answer all of your outer spacerelated questions—and not only questions about the sun. Answer Me This, World Book answers questions about such topics...

How are rainbows formed? What do clouds feel like? Why is the sky blue? We at World Book answer all of your sciencerelated questions—and not only questions about things that happen above your head. Answer Me This, World Book answers questions about such...

Why do older people lose their teeth? Does gum really take seven years to digest? Why can I curl my tongue? We at World Book answer all of your human bodyrelated questions—and not only questions about your mouth area. Answer Me This, World Book answers...

What’s the biggest shark? What’s the smallest shark? Why do sharks have rough skin? We at World Book answer all of your oceanrelated questions—and not only questions about sharks. Answer Me This, World Book answers questions about such topics as...

Did cavemen hunt dinosaurs? What was the biggest dinosaur skeleton ever found? Who would win in a fight: a shark or a dinosaur? We at World Book answer all of your prehistoric timesrelated questions—and not only questions about dinosaurs. Answer Me This,...

How does catnip affect cats and make them all loony? Why do dogs smell each other’s behinds? Do hamsters ever throw up after all that spinning? We at World Book answer all of your petrelated questions—and not only questions about pets. Answer Me This,...

Why does pizza taste so good? When was the chocolate chip cookie invented? Should I wait to swim after I eat? We at World Book answer all of your random questions—and not only random questions about food and food’s limits on fun. Answer Me This, World...