---
title: Solids Deep Dive
created: '2026-05-26'
updated: '2026-05-26'
type: lesson_topic
subject: science
tags:
- science
- grade-2
- homeschool
- ngss
standard: 2-PS1, 2-PS4
phase: 1
phase_name: 'FALL: Physical Science - Matter and Its Interactions (Weeks 1-10)'
weeks:
- 7
source: ''
---
# Solids Deep Dive
Second grade science topic covering solids deep dive. Part of Phase 1 (FALL: Physical Science - Matter and Its Interactions (Weeks 1-10)).
## Key Concepts
Properties of solid matter
- **Objectives:** Describe solid characteristics
- **Activities:**
- Build structures with different solids
- Test which solids sink or float
- Create solid property cards
- **Assessment:** Sink/float prediction experiment
### Week 8: Liquids Deep Dive
**Focus:** Properties of liquid matter
- **Objectives:** Describe liquid characteristics
- **Activities:**
- Pouring and measuring liquids
- Oil and water layering experiment
- Test liquid flow rates (honey, water, oil)
- **Assessment:** Flow rate observation chart
### Week 9: Gases and Air
**Focus:** Understanding invisible matter
- **Objectives:** Recognize gases take up space
- **Activities:**
- Air bubble experiments
- Blow up balloons without touching
- Submerge cup in water (air pocket demo)
- **Assessment:** Gas property explanation
### Week 10: States of Matter Review & Testing
**Focus:** Review and assess understanding
- **Objectives:** Identify all three states of matter
- **Activities:**
- States of matter scavenger hunt
- Review games and sorting activities
- Unit quiz through hands-on demonstration
- **Assessment:** End-of-unit project or demonstration
---
## Standards
2-PS1, 2-PS4
## Related Topics
[[introduction-to-scientific-observation]], [[properties-of-materials]], [[hard-soft-rough-smooth]], [[flexible-vs-rigid-materials]], [[absorbent-materials]], [[solids-liquids-gases-introduction]]
---
*Generated from curriculum data* ^[[raw/curriculum/science]]