Lundgren, Julie K

Explains how plants adapt over many years and looks at the ways in which various plants have changed to survive in different environments.

An introduction to the digestive process, including how the saliva starts the process and how the stomach and intestines break down food so it can be digested properly. Also covers the digestive system of animals. In Spanish.

Photographs and simple text help students learn how plants grow, describing how the soil, sun, water, and roots work together to help a plant grow out of a small seed.

Photographs and text look at how an apple tree changes in each season of the year.

Photographs and easy-to-follow text describe the habitats of different animals around the world and provide information on how those habitats change over time.

"Learn about the temperature, atmosphere, and composition of the Sun, as well as how the Sun's burning gases make heat and light, causing Earth's weather and climate."--Back cover.

Photographs and simple text help students learn how food chains work.

Photographs and simple text help students learn how plants make their own food, describing what plants need to make their own food, why plants are important to life on Earth, and how animals and plants benefit each other.

Simple text and photographs introduce the concept of plant life cycles.

Photographs and simple text help students learn how plants grow, describing how the soil, sun, water, and roots work together to help a plant grow out of a small seed.