Structure and Properties of Matter Activities
Hands-on investigations exploring particle theory, conservation of mass, and material properties through inquiry-based learning experiences.
Particle Theory
Conservation of Mass
Material Properties
Scientific Investigation
Activity 1.1: Mystery Powder Investigation
Students use scientific investigation skills to identify unknown white powders based on their unique properties
2-3 class periods
Groups of 3-4
Material Properties
Implementation Support
Safety Protocols
- Always wear safety goggles when handling chemicals
- Use heat-resistant gloves with hot materials
- Ensure proper ventilation when using iodine
- Have first aid kit readily available
- Review emergency procedures before activities
- Supervise all heating and chemical activities
Material Preparation
- Pre-measure powder samples in labeled containers
- Prepare diluted iodine solution (1:10 ratio)
- Test all electronic scales for accuracy
- Prepare mixed material samples in advance
- Organize separation tools by station
- Have backup materials ready
Assessment Tools
- Investigation data sheets and rubrics
- Digital cameras for documentation
- Peer evaluation forms
- Self-reflection questionnaires
- Portfolio organization guidelines
- Presentation evaluation criteria