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3rd grade · Science · Unit 5 of 9

Traits & Variation

Traits come from parents, and the environment matters too.

What your child practices

Practices how plants and animals inherit traits from their parents, how traits vary within a family, and how the environment can change traits like size or health.

Washington State Learning Standards learning standard: 3-LS3-1; 3-LS3-2 · traits are inherited from parents, vary within a group, and can be influenced by the environment

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    A plant grows short because it got little sunlight. This trait was affected by…

    • the environment
    • the moon
    • its parents only
    • magic

  2. Question 2

    Two tomato plants from the same seeds. One gets fertilizer and grows bigger. Why?

    • It is a different species
    • It is older
    • The environment was different
    • It had different parents

  3. Question 3

    Where do puppies get their fur color from?

    • Their parents
    • Their food
    • The weather
    • Their toys

  4. Question 4

    Sunflowers in a field are different heights. This shows…

    • variation
    • they are the same
    • they are not plants
    • they are rocks

  5. Question 5

    Which can a parent pass to its young?

    • A broken leg
    • Spots on its fur
    • A learned trick
    • A muddy coat

  6. Question 6

    Which pair shows an inherited trait AND an environmental effect?

    • Tall parents, but a short child who ate poorly
    • Blue eyes and brown eyes
    • Brown fur and a long tail
    • Two black cats

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