Boothroyd, Jennifer

Judy has had to show a lot of grit to become a top ZPD officer. She also uses her skills to be fair, resourceful, and open-minded.

An introduction to electricity that defines what it is; discusses static and current electricity, sources, and uses; and includes a related activity.

Photographs and simple text present ways to celebrate holidays, and includes decorating, meals, music, and gift giving.

Photographs and simple text present various modes of transportation, including cars, buses, boats, bikes, and trains.

An introduction to a variety of shells that provide protection for animals, looking at the coverings of armadillos, snails, crabs, turtles, and more.

Simple text and photographs describe fur and its function.

An illustrated introduction to our sense of hearing, describing its importance, how ears work, the ways sound can be effected by emotions, and more. Includes instructions for a related activity.

Photographs and text provide a scientific introduction to sound, explaining what sound is, how it travels, how sounds get made.

Photographs and text provide a scientific introduction to heat, explaining what heat is, how it is made and measured, and the important balance between hot and cold for living things.