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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
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5. 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

Which stage begins the life cycle of many mammals?

Please select an answer first.

Correct answer: A

The correct answer is A baby born from a parent.

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: Mammals are born as young animals rather than hatching from eggs or seeds.
  3. Check the choice: The correct choice is A baby born from a parent.

Mammals are born as young animals rather than hatching from eggs or seeds.

2. QuestionMultiple choice

Which stage begins the life cycle of a chicken?

Please select an answer first.

Correct answer: B

The correct answer is An egg.

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: Chickens begin life inside eggs.
  3. Check the choice: The correct choice is An egg.

Chickens begin life inside eggs.

3. QuestionMultiple choice

Which sequence shows a chicken life cycle?

Please select an answer first.

Correct answer: C

The correct answer is Egg, chick, young chicken, adult chicken.

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: These stages show the order from egg to adult chicken.
  3. Check the choice: The correct choice is Egg, chick, young chicken, adult chicken.

These stages show the order from egg to adult chicken.

4. QuestionMultiple choice

Which statement about life cycles is incomplete?

Please select an answer first.

Correct answer: D

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

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: The first statement is true but does not give enough information about the stages of a particular organism.
  3. Check the choice: The correct choice is Living things grow and change through stages..

The first statement is true but does not give enough information about the stages of a particular organism.

5. QuestionMultiple choice

What can scientists compare to study different life cycles?

Please select an answer first.

Correct answer: A

The correct answer is The stages and changes of different organisms.

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: Comparing stages and changes helps scientists see similarities and differences among life cycles.
  3. Check the choice: The correct choice is The stages and changes of different organisms.

Comparing stages and changes helps scientists see similarities and differences among life cycles.

6. QuestionMultiple choice

How can an organism’s habitat affect its life cycle?

Please select an answer first.

Correct answer: B

The correct answer is The habitat can provide the food, water, and shelter needed for growth..

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: Resources in a habitat support growth and development.
  3. Check the choice: The correct choice is The habitat can provide the food, water, and shelter needed for growth..

Resources in a habitat support growth and development.

7. QuestionMultiple choice

What is the purpose of a life-cycle model?

Please select an answer first.

Correct answer: C

The correct answer is To show the stages and order of growth and change.

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: A model makes the stages and sequence of a life cycle easier to understand.
  3. Check the choice: The correct choice is To show the stages and order of growth and change.

A model makes the stages and sequence of a life cycle easier to understand.

8. QuestionMultiple choice

How are butterfly and frog life cycles different?

Please select an answer first.

Correct answer: D

The correct answer is A butterfly has a chrysalis stage, while a frog has a tadpole stage..

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: Butterflies and frogs have different young stages and body changes.
  3. Check the choice: The correct choice is A butterfly has a chrysalis stage, while a frog has a tadpole stage..

Butterflies and frogs have different young stages and body changes.

9. QuestionMultiple choice

Which is the best conclusion about life cycles?

Please select an answer first.

Correct answer: A

The correct answer is Every living thing has a life cycle, but the stages can differ among organisms..

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: All living things grow and change, but their life-cycle stages are not identical.
  3. Check the choice: The correct choice is Every living thing has a life cycle, but the stages can differ among organisms..

All living things grow and change, but their life-cycle stages are not identical.

10. QuestionMultiple choice

Why do students put life-cycle pictures in order?

Please select an answer first.

Correct answer: B

The correct answer is To show how an organism grows and changes over time.

  1. Read the life-cycle clue: Identify the organism and the stage or change described.
  2. Place the stage in order: Ordering the pictures represents the sequence of stages over time.
  3. Check the choice: The correct choice is To show how an organism grows and changes over time.

Ordering the pictures represents the sequence of stages over time.

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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.