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Grade 3 Science · Life Cycles

Grade 3 Life Cycles Practice Test

Explore Grade 3 Science with five 10-question practice tests on the stages, order, growth, and changes in animal and plant life cycles.

Life Cycles Practice Tests

These Grade 3 Science practice tests help students identify the stages living things go through as they grow and change. Students explore butterfly, frog, plant, mammal, and bird life cycles.

Skills covered

  • Defining a life cycle
  • Putting life-cycle stages in order
  • Describing butterfly and frog changes
  • Explaining seed, seedling, and adult plant stages
  • Comparing life cycles of different organisms
  • Recognizing how habitats support growth

How to use these practice tests

Identify the organism first, then look for clues about its stage. Use words such as first, next, young, adult, and finally to place stages in order. Remember that different organisms have different life-cycle patterns.

For more Grade 3 Science practice, return to the Grade 3 Science category.

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5 Tests
1. Test2. Test3. Test4. Test5. Test

1. Test

Grade 3 Life Cycles Practice Tests

A 10-question Grade 3 Science practice test on life-cycle stages, growth and change in butterflies, frogs, plants, mammals, and birds.

Read each science question carefully. Identify the organism, place its stages in order, and choose the description that best explains its life cycle.

10 Questions
0/10 Questions0 %
Correct 0
Incorrect 0
Unanswered 10
1. QuestionMultiple choice

What is a life cycle?

Please select an answer first.

Correct answer: A

The correct answer is The stages a living thing goes through as it grows and changes.

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: A life cycle shows the stages of growth and change in a living thing.
  3. Check the choice: The correct choice is The stages a living thing goes through as it grows and changes.

A life cycle shows the stages of growth and change in a living thing.

2. QuestionMultiple choice

Which stage comes first for many insects?

Please select an answer first.

Correct answer: B

The correct answer is Egg.

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: Many insects begin their life cycle as eggs.
  3. Check the choice: The correct choice is Egg.

Many insects begin their life cycle as eggs.

3. QuestionMultiple choice

What does a life-cycle diagram show?

Please select an answer first.

Correct answer: C

The correct answer is The order of stages in an organism’s life.

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: A life-cycle diagram places the stages in the order they happen.
  3. Check the choice: The correct choice is The order of stages in an organism’s life.

A life-cycle diagram places the stages in the order they happen.

4. QuestionMultiple choice

Which sentence describes a change during a life cycle?

Please select an answer first.

Correct answer: D

The correct answer is A tadpole grows legs and becomes a frog..

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: Growing legs and becoming a frog are changes in a life cycle.
  3. Check the choice: The correct choice is A tadpole grows legs and becomes a frog..

Growing legs and becoming a frog are changes in a life cycle.

5. QuestionMultiple choice

What is a young organism?

Please select an answer first.

Correct answer: A

The correct answer is An organism that has not finished growing.

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: A young organism is still growing and developing.
  3. Check the choice: The correct choice is An organism that has not finished growing.

A young organism is still growing and developing.

6. QuestionMultiple choice

What usually happens as an organism becomes an adult?

Please select an answer first.

Correct answer: B

The correct answer is It grows and develops the features of its adult stage..

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: An organism changes as it grows and develops into its adult form.
  3. Check the choice: The correct choice is It grows and develops the features of its adult stage..

An organism changes as it grows and develops into its adult form.

7. QuestionMultiple choice

Why do scientists study life cycles?

Please select an answer first.

Correct answer: C

The correct answer is To understand how living things grow, change, and reproduce.

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: Life cycles help scientists understand growth, change, and how new organisms begin.
  3. Check the choice: The correct choice is To understand how living things grow, change, and reproduce.

Life cycles help scientists understand growth, change, and how new organisms begin.

8. QuestionMultiple choice

How can life cycles be different?

Please select an answer first.

Correct answer: D

The correct answer is Different organisms can have different stages and patterns of growth..

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: Life cycles vary among organisms, although all living things grow and change.
  3. Check the choice: The correct choice is Different organisms can have different stages and patterns of growth..

Life cycles vary among organisms, although all living things grow and change.

9. QuestionMultiple choice

Which order shows a simple life cycle correctly?

Please select an answer first.

Correct answer: A

The correct answer is Egg, young organism, adult.

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: Many life cycles begin with an egg, continue through a young stage, and reach adulthood.
  3. Check the choice: The correct choice is Egg, young organism, adult.

Many life cycles begin with an egg, continue through a young stage, and reach adulthood.

10. QuestionMultiple choice

Which is the best conclusion about life cycles?

Please select an answer first.

Correct answer: B

The correct answer is Living things pass through stages as they grow and change..

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: This conclusion summarizes the main idea of life cycles.
  3. Check the choice: The correct choice is Living things pass through stages as they grow and change..

This conclusion summarizes the main idea of life cycles.

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Frequently asked questions about Grade 3 Life Cycles

What is a life cycle?

A life cycle is the series of stages a living thing goes through as it grows and changes.

Do all living things have the same life cycle?

No. All living things grow and change, but their stages and patterns can be different.

How many questions are on this page?

The page includes five mini tests with 10 questions each, for 50 Grade 3 Life Cycles questions in total.