Lesson 2 : Lab
Time Required: 115–155 minutes - Develop a model that predicts and describes changes in particle motion, temperature, and state of a pure substance when thermal energy is added or removed. (MS-PS1-4)
- The Make Activity
- First (Part 1)
- Observe a demonstration to understand how adding and removing thermal energy impacts on average kinetic energy.
- Rotate through two stations, in small groups of three or four.
- In Station 1, students will observe how food coloring interacts with different water temperatures.
- In Station 2, students will investigate phase change through a butter boat activity.
- Second (Part 2)
- Observe a demonstration to understand how adding and removing thermal energy can cause changes in pressure.
- Complete an online simulation about pressure, individually, or in small groups.
- Revisit the pressure demonstration to develop a deeper understanding of thermal energy and average kinetic energy.
Standards
- MS-PS1-4
- Develop a model that predicts and describes changes in particle motion, temperature, and state of a pure substance when thermal energy is added or removed. [Clarification Statement: Emphasis is on qualitative molecular level models of solids, liquids, and gases to show that adding or removing thermal energy increases or decreases kinetic energy of the particles until a change of state occurs. Examples of models could include drawing and diagrams. Examples of particles could include molecules or inert atoms. Examples of pure substances could include water, carbon dioxide, and helium.]
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