Frost, Helen

Simple text and photographs introduce the life of Ida B. Wells-Barnett, a journalist who wrote about and spoke against the unfair treatment of African Americans.

Defines wheels and axles and shows how they are used in everyday life.

Defines a wedge and shows how it is used in everyday life.

Defines a screw and shows how it is used in everyday life.

Defines a pulley and shows how it is used in everyday life.

Defines a lever and shows how it is used in everyday life.

Defines an inclined plane and shows how it is used in everyday life.

A simple description of the basic structure of teeth, the various types, and the difference between baby teeth and permanent teeth.

Illustrations and text describe the lifecycle of the monarch butterfly and its link with the milkweed plant.

Briefly outlines some of the many reasons that water is necessary for life, from growing plants, cooking food, and washing things to staying cool.