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NGSS is a new way of thinking about science and creating a model can be as simple as drawing a detailed before and after picture. These science in a baggie investigations encourage students to create a model and give teachers a simple rubric for assessment. The lab procedure, model, and rubric are all on one side of a page. Simple, easy, clear, and fun!
Science in a baggie is great because the foamy mess is contained in a ziploc bag. Clean up is easy and the stinky, foamy bubbles are fun. I did these baggie activities with my 6th graders as part of our energy unit. I say, "Energy cannot be..." and my students finish, "created or destroyed, it is transferred." Students see how the energy is transferred from chemical energy to thermal energy. We also learned about exothermic and endothermic reactions. We talked about how "exo" is like exit and students point away from themselves to show energy being release. We related "endo" to into and point
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The baggie experiments are called Oxygen and Carbon Dioxide because these are the gases given off. In the carbon dioxide baggie experiment, vinegar and baking soda are combined. In this investigation, students see the temperature decrease, an endothermic reaction.
In the oxygen baggie experiment, hydrogen peroxide and yeast and combined and the temperature rises, an example of an exothermic chemical reaction.
- Chemical Reactions
- Properties of matter
- Energy transfer by measuring temperature
- Creating & labeling a model
- How to use a rubric to grade a model &
- Recording data
Next Generation Science Standards (NGSS) for Grade 5-
5-PS1-3: Make observations and measurements to identify materials based on their properties.
5-PS1-4:Conduct an investigation to determine whether the mixing of two or more substances results in new substances.
Next Generation Science Standards (NGSS) for Grade 6-
MSPS3-4 Plan an investigation to determine the relationships among the energy transferred, the type of matter, the mass, and the change in the average kinetic energy of the particles as measured by the temperature of the sample. *this investigation does NOT address mass
NGSS Crosscutting Concepts: Cause and Effect & Energy and Matter
NGSS Science and Engineering Practices:
Developing and Using Models
Planning and Carrying Out Investigations
Analyzing and Interpreting Data