
In the Know
Water Changes!
Temperature is how hot or cold something is. Temperature can … read more
Temperature is how hot or cold something is. Temperature can … read more
Look at this sea cave. It is on Lake Superior. … read more
In school, we are nice to each other. Sometimes people … read more
Many of us like snow. We like to go sledding … read more
Scientists ask and answer questions. You are a scientist. Look around. You … read more
Kelp lives here. Kelp is a type of seaweed. It grows underwater. Kelp … read more
What is the Bill of Rights? Why is it important? … read more
Immigration is moving to another place. When people immigrate, they … read more
When you are healthy you feel good. You can run … read more
Look at this bridge! This bridge helps people cross a river. It … read more
© 2025 McGraw-Hill Education. All Rights Reserved.