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Lesson · Grade 2 · Science

Metamorphosis: A Whole New Shape

  • Grade 2
  • Science
  • 1 min
  • British Columbia
  • BC2-SC-01

A kitten grows into a cat that keeps the same shape, but a butterfly and a frog change their whole bodies as they grow. Two labelled rows build up one stage at a time, egg, caterpillar, chrysalis, butterfly and then eggs, tadpole, froglet, frog, and the video ends by naming this big change metamorphosis.

Concept: Metamorphosis: a body that changes shape

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In one sentence

The question this lesson answers

A kitten grows up into a cat.

It keeps the same shape and just gets bigger.

Transcript

What the lesson says

A kitten grows up into a cat.

It keeps the same shape and just gets bigger.

Can an animal change its whole body shape?

A butterfly starts as a tiny egg on a leaf.

A hungry caterpillar hatches and eats lots of leaves.

Then it makes a hard case called a chrysalis.

Inside, its body changes into a butterfly!

A frog lays lots of eggs in a pond.

A tadpole hatches and swims with its tail.

It grows legs and becomes a little froglet.

Its tail shrinks away, and now it is a frog!

Yes! This big change is called metamorphosis.

Metamorphosis means growing into a whole new shape.

Curriculum

Where this fits

British Columbia, Grade 2

Science, Biology: metamorphic and non-metamorphic life cycles of different organismsBC2-SC-01

Next: Growing Up Without Changing Shape

The outcomes and strands follow the British Columbia curriculum.

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