
The Science Behind Waves
Wind and other forces of nature cause ocean water to be in constant motion. Waves are evidence of this motion. Waves appear on the ocean surface as choppy, rolling movements. Waves can be observed in … Read more
Wind and other forces of nature cause ocean water to be in constant motion. Waves are evidence of this motion. Waves appear on the ocean surface as choppy, rolling movements. Waves can be observed in … Read more
Think about some of the amazing architectural structures in the world – bridges, towers, skyscrapers. Engineers spend hours developing plans and choosing materials for their structures. One of the most interesting architectural structures is made … Read more
The photo above was taken in Grenada, Mississippi, in 1966. At that time, hundreds of Black students were trying to attend schools that had previously only allowed White children. As they walked to school, they … Read more
Central Park is a beautiful and peaceful park in the middle of New York City. It is surrounded by a low stone wall with many entryways—called gates—where people can enter the park. These gates are … Read more
Have you ever had a first day at school? Did you feel excited, anxious, or nervous? Maxwell Alejandro Frost might be feeling all these feelings on January 3rd. He is twenty-five years old and he … Read more
Imagine jumping up and not coming down. Even if you jump high, you always come back down. Think about what would happen if you were washing a plate and it slipped out of your hands. … Read more
Beyond the creative play of building things with blocks and erector sets is the innovative world of robotics. Robotics is the science of learning about and creating robots. Robots are machines that collect information from … Read more
On October 4, Rishi Sunak became the United Kingdom’s first prime minister with Indian heritage. A prime minister is the head of the state in the United Kingdom, a country that is made up of … Read more
People think of summertime as a great time to celebrate outdoors with parades, fireworks, and parties. However, many different places in the world also hold outdoor festivals to celebrate the beauty and wonder of winter. … Read more
Did you know that food insecurity is a problem that over 40 million people face and that at least nine million of those people are children? Food insecurity means people do not consistently have enough … Read more
© 2025 McGraw-Hill Education. All Rights Reserved.