Curated OER
CO2 and Air Pollution
Seventh graders observe and test for the presence of carbon dioxide gas. They compare concentrations of carbon dioxide gas and conclude high concentrations of carbon dioxide gas are unhealthy for human beings.
Curated OER
Yeast and Respiration
Learners explore oxygen properties by conducting a cell experiment in class. In this respiration instructional activity, students discuss the process of breathing and how oxygen is inhaled before carbon dioxide is exhaled. Learners...
Curated OER
Science: The States of Matter
Third graders conduct experiments in matter to create chemical changes resulting in gases. By mixing solids and liquids, they create a chemical reaction and capture the gas in balloons. After observing the balloons fill with carbon...
Curated OER
Why Do We Need Clean Air to Live? - Biology Teaching Thesis
Students name the main components of the respiratory system. They write a reaction that contains complete sentences, and uses proper spelling and grammar, after viewing a video. Students define the following terms: lungs, respiration,...
Curated OER
One-Way Valves
Students explore how the heart pumps blood through its valves. They observe fluid moving through a one-way valve and build a model of a valve. in addition, they explore biotechnology design.