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Life cycles (plant & animal)

Grade 3 · Science · Free lesson

Hi there! I am Studyfin, your science buddy. Today, we will explore how plants and animals grow and change!

Every living thing has a life cycle. It starts with birth, then growth, and ends with death. We can make a research plan to study these changes.

snail

Let us plan our research first. We need a clear goal and steps to find facts. Adult helpers can guide us to great books and safe websites.

1. Plan 2. Find

Next, we find patterns in how things grow. For example, a frog starts as an egg, becomes a tadpole, and then grows into an adult.

Egg Tadpole Adult
✏️ Worked example

Let us make a research plan to study the life cycle of a ladybug. How do we do this step-by-step with an adult?

  1. 1. Ask a question: We decide to study how a ladybug grows from an egg to an adult.
  2. 2. Get adult help: We ask a teacher or parent to help us find safe library books about bugs.
  3. 3. Write down questions: We make a list of things we want to know, like 'How long does a ladybug stay in its pupa?'
  4. 4. Gather the facts: We read the books and write down the stages of the ladybug life cycle.
  5. 5. Share the findings: We draw a circle chart showing the egg, larva, pupa, and adult stages to show our class.
fish
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