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8 questions with a Summer Vacation theme plus a full answer key. Perfect for Grade 6 Science.
⬇ Download WorksheetStudents will be able to explain how traits are inherited from parents and how genetic variation occurs in offspring.
Before Q6, ask students which traits from Q3 and Q5 they think Zoe would pass to her own children someday — this bridges the Punnett square work directly to the real family data on this worksheet.
- Zoe arrives at her grandma's beach house for summer. She notices her grandma, her mom, and herself all have the same bright green eyes. What is the scientific word for a physical feature passed from parents to offspring?
- Zoe finds an old photo album — a rare find — in grandma's attic. True or False: Genes are the instructions inside cells that determine which traits an organism inherits.
- Zoe discovers a unique item: grandma's journal listing family eye colors. Grandma has two copies of the dominant green-eye allele (GG). Grandpa had two copies of the recessive blue-eye allele (gg). What genotype would ALL of their children have? Explain why.
...plus 5 more questions in the full worksheet
Instructions: Read each question carefully and write your full answer in the space provided. Use science words you have learned to explain your thinking.
Standard: NGSS.MS-LS3-1
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About this Science worksheet for Grade 6
At the sixth-grade level, students must transition from observing traits to understanding the mechanisms of inheritance, making practice with Punnett squares and dominant/recessive alleles essential for meeting NGSS.MS-LS3-1. This resource effectively scaffolds that conceptual leap by having students predict offspring traits from parent genotypes, allowing you to assess whether learners can apply foundational genetics vocabulary and reasoning before progressing to more complex inheritance patterns.
This printable Science worksheet is designed for Grade 6 students and covers Heredity. The Summer Vacation theme keeps kids engaged while they practice essential Science skills. Every worksheet includes a full answer key making it easy for parents and teachers to check work instantly. Aligned to Common Core State Standards (CCSS) for Grade 6 Science. Print-ready at US Letter size. No login required — download and print in seconds.
Last updated: April 2026
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