Plants and Oxygen: Breathing Easy

Plants provide a variety of delicious foods essential for human survival. In the fourth lesson of this series on food science, young scientists investigate common fruits, vegetables, and grains in order to determine which plant part is...

As a demonstration or as a hands-on activity, your class watches as the combination of vinegar and baking soda produce carbon dioxide gas. The intent of the instructional activity is to help youngsters understand that gases occupy space....

In this carbon worksheet, learners follow directions and use marshmallows and toothpicks to made carbon dioxide and glucose molecules. Students do this to see how carbon changes as a result of photosynthesis.

The world would be a much different place without the help of pollinators. Read about the important role bats, hummingbirds, and various insects play in plant reproduction, exploring the interdependence of living things in an ecosystem....

Students examine the needs of trees and plants. For this forest ecosystem lesson students use seedlings to investigate the basic necessities of plants. They discuss the consequences of these basic needs not being met.

What does it mean to grow? To germinate? For the plan detailed here, class members investigate the growth process of an oak tree while focusing on the beginning stages of planting and germination. They plant seeds and record observations...

Students explore the major functions of plants and animals. In this rainforest lesson plan students create a Venn diagram to compare and contrast animals in the rainforest.

Students explore oxygen and its physical and chemical propeties.  In this investigative instructional activity students complete several experiments using oxygen.

Second graders gain an understanding of how plants produce oxygen and that the oxygen we breathe comes from trees and plants. After a lecture/demo, 2nd graders discuss the ways plants produce oxygen and the detrimental effects of cutting...

Studetns create an index card database of different categories of plants such as bushes, trees, flowers, grasses and vegetables. They review the different parts of a plant and label pictures of plants on the database cards. They use the...