GradeMap

Grade 2 · Science · Unit 2 of 12

Animal Life Cycles

Eggs, larvae, tadpoles and chicks

What your child practises

Life cycles of butterflies, frogs, chickens and mammals, and how some animals change a lot while others look like small adults.

Ontario Curriculum expectation: B2.3, B2.4 · life cycles of insects, amphibians, birds and mammals, and how appearance and behaviour change

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 butterfly's first stage is a…

    • adult
    • egg
    • chrysalis
    Show answer

    egg

    Hint: A butterfly starts as an egg on a leaf.

  2. Question 2

    A caterpillar is the young stage of a…

    • tadpole
    • chick
    • butterfly or moth
    Show answer

    butterfly or moth

    Hint: Caterpillars grow, then change inside a chrysalis or cocoon.

  3. Question 3

    Which animal has a tail when it is young but not when it is an adult?

    • 🐈a cat
    • 🐕a dog
    • 🐸a frog
    Show answer

    🐸 a frog

    Hint: A tadpole has a tail. The adult frog does not.

  4. Question 4

    A bird looks very different from its egg. What do we call the baby bird?

    • a tadpole
    • a chick or hatchling
    • a larva
    Show answer

    a chick or hatchling

    Hint: Baby birds hatch from eggs and are often called chicks.

  5. Question 5

    Which animal changes its shape a lot as it grows up?

    • a dog
    • a rabbit
    • a frog
    Show answer

    a frog

    Hint: A frog begins as a tadpole in water and ends up a land-and-water animal.

  6. Question 6

    A puppy grows up to be a…

    • 🐕dog
    • 🐎horse
    • 🐈cat
    Show answer

    🐕 dog

    Hint: Mammals look like smaller versions of their parents.