On November 4, something mysterious will happen. It will be 2 o’clock in the morning twice. There will be an extra hour at night. Where does that extra hour come from? Let’s solve this mystery!
Photo Credit: Zoonar/D.Raev/age fotostock
Kelp lives here. Kelp is a type of seaweed. It grows underwater. Kelp … read more
Inventors are problem solvers. They find solutions. They make new … read more
March is Women’s History Month. We celebrate things women have … read more
© 2024 McGraw-Hill Education. All Rights Reserved.