Helps readers understand how heat changes matter, what causes things to burn, and how these changes impact a vast number of objects in our world.

Looks at exotic blue whale and their behaviors and habitats. Features a quiz and a list of resources for further exploration.

Take a trip to outer space! Watch out for huge yellow clouds filled with acid, solar gas explosions, giant flying snowballs made of ice. Join these astronauts on a daring and dangerous adventure through space.

Learn about hiccups, sneezes, and mucus.

Introduces the life cycle of an oak tree, from the sprouting of an acorn through its more than 100 years of growth.

Learn about sweat, ear wax, and snot.