Grade 2 Science Unit – Matter and Energy

Properties of Liquids and Solids | NGSS Aligned

Teach matter and energy with confidence using this complete 10-lesson Grade 2 science unit aligned to NGSS Physical Science standards (2-PS1).

Students explore the properties of solids and liquids, investigate melting and freezing, conduct float and sink experiments, test dissolving mixtures, and learn about responsible use of materials in everyday life.

This is a structured, ready-to-teach unit — not a worksheet packet — designed to build scientific thinking and inquiry skills.

What’s Included

• 10 complete, sequential science lessons

• NGSS-aligned content (2-PS1 performance expectations)

• Hands-on investigations and experiments

• Writing prompts and science reflection pages

• Built-in formative assessments

• Culminating project

• Extension video and podcast suggestions

• Optional AI inquiry prompts

• Printable, low-prep PDF

Students Will Develop:

• Classification and observation skills

• Understanding of changes caused by heating and cooling

• Investigation and data-recording skills

• Scientific vocabulary and explanation skills

• Awareness of environmental responsibility

Ideal for 2nd grade classrooms, STEM instruction, homeschool families, and NGSS-aligned schools.

Part of the AI-B-C Science Series, created to deliver consistent, high-quality, standards-aligned instruction.