
Temperature is how hot or cold something is. Temperature can change water.
Look at the wave. The water flows and moves. This water is liquid. Water is liquid when the temperature is not very high or very low.
Photo Credit: EpicStockMedia/Alamy
Two doctors made a tool. It can help people who … read more
Some animals make changes when the seasons change. Squirrels gather … read more
Dr. Andrea Ghez is an astronomer. She studies things in space. She found a … read more
© 2025 McGraw-Hill Education. All Rights Reserved.