Students diagram a plant. In this Science lesson plan, students explore the concept of photosynthesis focusing on the oxygen production. Students calculate the amount of plants needed to filter the air in their classroom.

The process of fire requires oxygen, heat, and fuel. Take one of those away, and fire ceases to exist. That's the idea behind this instructional activity which portrays a candle burning inside an upside down jar. Pupils answer a couple...

Students examine the role of human respiration and how it relates to radon. They identify damage to the lung from the exchange of carbon dioxide and oxygen. They work together to complete a lab activity and worksheet.

Fourth graders are involved in a lab experience to look at the concept of heating up various materials to see how they react to an increase in temperature. They make observations and record them in a lab journal. Then students discuss...

In this fractions in chemistry worksheet, students solve 2 problems where they state all the answers as simple fractions or integers. They determine ratios of molecules in gasoline and they find ratio of molecules in the creation of...

Students identify the different parts of the respiratory system of the human body. They work together to complete an activity and worksheet about the effects of radon on the lungs. They research lung diseases if time permits.