In Forces: Physical Science for Kids, kids ages 5 to 8 observe different types of forces, including gravity, magnetism, pulling, pushing, and friction. One in a set of four books in the Picture Book Science series, Forces combines children's natural curiosity with prompts for keen observations and simple STEM activities to provide a fun introduction for kids to the physical science that rules o…
Learn how simple machines make work easier in these colorful nonfiction picture books all about science and engineering! What if an elephant sat on your book and refused to move. How could you lift it? Very carefully! You might want to use a pulley. A pulley is one of six simple machines that are designed to make different kinds of work such as lifting, pulling, pushing easier. In Pulleys Pull …