
Many birds build nests in the spring. They lay eggs in the nests. The adult birds take care of their babies in the spring.
What Do You Think? Can you think of more changes that happen in the spring?
Photo Credit: Viktor Sergeevich/Shutterstock
Long ago, sundials were used to tell time. Now we use clocks. Sundials show … read more
Daylight Saving Time ends in the fall. We move the … read more
The sounds tell her about stars. How hot are they? How long do they stay bright? Sometimes, Díaz-Merced learns more when … read more
© 2026 McGraw-Hill Education. All Rights Reserved.