
As the day gets closer to noon, the Sun is high in the sky. Your shadow is short. At noon, your shadow is under your feet. You can see it if you jump!
Photo Credit: Images By Tang Ming Tung/Digital Vision/Getty Images
Dr. Kizzmekia Corbett’s team made a vaccine for COVID-19. Her … read more
The Sun gives us heat and light. When the Sun … read more
Robots can help when parts are too heavy. These robots … read more
© 2026 McGraw-Hill Education. All Rights Reserved.