DNA Base Pairings

1st GradeScience30 min

Learning Objective

I can describe DNA has different bases that link up with one another

Lesson Flow

Watch Video

6 min

What is DNA and How Does it Work?

Science ABC

Guided Notes

6 min

Key concepts students will learn:

  • DNA is a giant molecule that looks like a twisted ladder.

  • The rungs of the DNA ladder are made of four letters: A, T, G, and C.

  • The cell's library, called the nucleus, holds the DNA, which tells the cell how to make proteins.

Practice

10 min

3 questions • Multiple choice & Short answer

Exit Ticket

5 min

DNA has four letters: A, T, C, and G. Which letter does A always link with?

Teacher Guide

Get the complete package:

  • Answer keys for all questions
  • Differentiation strategies
  • Extension activities
  • Printable student handouts