3rd Grade · Science · 3-5-ETS1-1
Engineering and Design Lesson Plan for 3rd Grade
A ready-to-teach engineering and design lesson for 3rd Grade. Everything below is classroom-tested structure: an objective, a 45-minute sequence, a way to check who got it, and 3 printable practice pages.
Approximately 45 minutes
Learning objective
- Explore and describe criteria and constraints through observation and investigation
- Build engineering and design knowledge aligned to 3rd Grade science standards
- Apply science vocabulary and inquiry skills to criteria and constraints activities
Materials
- Criteria and constraints
- Engineering Design Journal
- Pencils, and whiteboard space for the modeled examples
Lesson steps
1. Ask the question (5 min)
Open with a question about engineering and design that students cannot answer yet. Take predictions and record them without correcting anything. Wrong predictions are the point: you will come back to them.
2. Explore (12 min)
Students investigate engineering and design through a hands-on activity, a demonstration, or a set of images. Their job is to notice and describe, not to be right yet.
3. Explain (10 min)
Now give the vocabulary and the explanation for engineering and design. Tie it directly back to what students just observed and to the predictions on the board. Name which predictions held up.
4. Independent practice (you do) (13 min)
Hand out "Criteria and constraints". Students record what they learned and answer the questions independently. Circulate and press for "how do you know?"
5. Extend the thinking (5 min)
Ask where else engineering and design shows up outside the classroom. Collect two or three examples and leave the question open for tomorrow.
Check for understanding
Ask students to explain engineering and design to a partner in one sentence, then write that sentence down. Collect the sentences: they show you exactly which part of the idea did not land.
Differentiation
Extra support. Students who stall: pull them into a small group and rebuild engineering and design with concrete materials or a simpler text before asking for the written work again. Do not send the page home as homework, it will just rehearse the misunderstanding.
Extension. Students who finish early: ask them to write their own engineering and design problem for a partner to solve, then check the partner's work. Creating a problem is harder than solving one and it surfaces whether they really understand engineering and design.
Skills covered in this lesson
Criteria and constraints · The design process
