
What question is this scientist asking? Maybe he wants to know how the leaf feels. He can touch the leaf. He can use his hands.
Photo Credit: ©Rachel Frank/Corbis/Glow Images
Ice pops start as a liquid. Juice is a liquid. … read more
Sweat has an important job. It keeps us from getting … read more
Khan wanted to find a better way to build tall … read more
© 2025 McGraw-Hill Education. All Rights Reserved.