Science 4th Grade Packet on
“Life Cycles”
Chapter 3
Name ___________
Section__________
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Ch 3 Life Cycles
2
Name________________
Section_______________
Chapter 3 Preview
Answer the following questions about this chapter.
1. Why do you think plants make flowers?
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2. What do tadpoles grow up to be?
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3. What features can children have in common with their parents?
______________________________________________________
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Name________________
Section_______________
Date _________________
Science
Grade 4
Chapter 3 “Life Cycles”
Define the vocabulary terms from the chapter.
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adult – _____________________________________________________________________
____________________________________________________________________________
egg –________________________________________________________________________
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embryo–____________________________________________________________________
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germinate – _________________________________________________________________
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inherit –_____________________________________________________________________
____________________________________________________________________________
larva – ______________________________________________________________________
____________________________________________________________________________
life cycle – ___________________________________________________________________
____________________________________________________________________________
life span – ___________________________________________________________________
____________________________________________________________________________
metamorphosis –______________________________________________________________
____________________________________________________________________________
nymph– _____________________________________________________________________
____________________________________________________________________________
trait – _______________________________________________________________________
____________________________________________________________________________
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Name________________
Section_______________
Date ________________
Science
Grade 4
Chapter 3 “Life Cycles”
Write sentences for the vocabulary terms for this chapter.
adult – ___________________________________________________________________________
egg – ____________________________________________________________________________
embryo– __________________________________________________________________________
germinate –________________________________________________________________________
inherit –____________________________________________________________________________
larva – ____________________________________________________________________________
life cycle – __ ________________________________________________________________________
life span – __________________________________________________________________________
metamorphosis – ____________________________________________________________________
nymph –____________________________________________________________________________
trait – _____________________________________________________________________________
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Ch 3 Lesson 1 REVIEW
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Ch 3 Lesson 2 REVIEW
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Ch 3 Lesson 3 REVIEW
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Ch 3 Vocabulary Review Crossword Puzzle
Ch 3 Life Cycle
Across
4. the process in which an animal changes form in different stages of its
life cycle.
5. the second stage of incomplete metamorphosis.
6. a fully grown, mature organism.
8. a series of stages that occur during the lifetime of living thing.
10. a plant or animal in the earliest stages of development.
11. a wormlike form and the second stage of complete metamorphosis.
Down
1. to receive traits from a parent.
2. a feature or characteristic of a living thing.
3. to begin growing a new plant.
7. the length of time it takes for an individual organism to complete its
life cycle.
9. the first stage in the life cycle of most animals.
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Science
Grade 4
Writing in Science
Name ____________________
Section __________________
Date _____________________
Ch 3
Narrative Writing: Life Cycles!
Narrative writing tells a story about something that really happened in
the writer’s life.
All living things change as they go through their life cycle.
Before you begin writing, think about some living things you have
observed for a long period of time.
Now, write about the life cycle of a living thing you have seen.
Life Cycles!
I have seen the entire life cycle of____________________________
_______________________________________________ ___________
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Chapter
3 Vocabulary Review
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Ch 3 Life Cycles
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Ch 3 Vocabulary Review
Ch 3 Life Cycle
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METAMORPHOSIS
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Study Guide A Ch 3
How Do Plant Life Cycles Vary?
Main Idea. Flowering plants produce seeds during their life cycles.
The seeds grow into new flowering plants. Life spans vary for different
types of plants.
Fill in the blanks with words from the box below.
embryo
germinate
life cycle
life span
1. A(n) _____________is a series of stages that occur during the lifetime of a living thing.
2. A(n) _____________ is a plant or animal in the earliest stages of development.
3. Some plant seeds land in places where they can ___________ or begin growing a new
plant.
4. A(n) _____________ is the length of time it takes an individual organismto complete its
life cycle.
Circle the word that completes the sentence.
5. The ( pistil or stamen) of a flower makes pollen, which is needed to form seeds.
6. Wind, water, and animals such as insects move (seeds or pollen) from the stamens to the
pistils.
7. Brightly colored (pistils or petals ) attract birds, bees and other insects to a flower
8. In organisms that are similar, such as trees, the smaller kinds usually have (shorter or
longer) life spans than the larger kinds
9. For flowering plants, the life span begins when a seed (germinates or sets pollen).
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Study Guide B Ch 2
How Are Offspring Like Their Parents?
Main Idea. Living things resemble their parents because they inherit
their parents’ traits. Some living things look different when they are
young and grow to resemble their parents.
Write answers to the questions on the lines below.
1. What are traits?
_____________________________________________________________________
2. Why do parents and offspring usually resemble each other?
_____________________________________________________________________
3. What is an inherited trait?
_____________________________________________________________________
4. Why do offspring sometimes look slightly different from their parents?
_____________________________________________________________________
5. Do tadpoles look like adult frogs before metamorphosis?
_____________________________________________________________________
Write TRUE or FALSE for the statements below.
_________ 6. Birds, fish, reptiles and amphibians lay eggs.
_________ 7. Many insects change form four times, which is an incomplete
metamorphosis.
_________ 8. The egg hatches into a wormlike form called a pupa.
_________ 9. Some insects go through a three stage life cycle.
_________10. In general, larger animals have shorter life spans than smaller animals of
the same kind.
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Ch 3 REVIEW and TEST PREP P. A84
Vocabulary
adult
Complete each sentence with a term from the box.
egg
embryo
germinate
inherit
metamorphosis
nymph
trait
larva
life cycle
life span
1. Every seed contains a/an __________ in a protective coat.
2. The process in which some organisms change form during
different stages of life called ____________.
3. The series of stages of that occur in the lifetime of an organism is
called a/an ________________.
4. A feature or characteristic of a living thing is a/an ___________.
5. The second stage in complete metamorphosis is a/an__________.
6. An organism that is fully grown is called a/an ___________.
7. The second stage in incomplete metamorphosis is a/an_______.
8. When a plant begins to grow from a seed, it is said to________.
9. Because an elephant lives longer than a mouse, the elephant is
said to have a longer ____________.
10.The first stage in the life cycle of most animals is the _________.
Test Prep
Circle the letter of the best answer choice.
11. Female adult birds , fish, reptiles, and
insects _________.
A. germinate
B. lay eggs
c. have the same life span
D. give birth to live young
13. Because young organisms inherit traits,
they ___________.
A. always resemble their parents at birth
B. never resemble their parents at birth
C. never grow up to resemble their parents
D. often grow up to resemble their parents
12. Wind, water, and animals can all move
________________ to a flowers’ pistil.
A. stamens
B. pollen
C. roots
D. leaves
14. A flower’s pollen is made in the ______.
A. petals
B. pupa
C. pistil
D. stamen
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Science
Grade 4
CH 3 Notes for TEST
NAME ____________
Complete and study these notes for the test.
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Offspring may ___________ traits from their parents during reproduction.
A feature or characteristic of a living thing is called _______.
The ______is the second stage in the life cycle of an insect that goes through incomplete
metamorphosis.
The ______ is a wormlike form and the second stage of complete metamorphosis.
The process in which some organisms change form during different stages of life is called
_________________.
For most animals, an ________ is the first stage in its life cycle.
A _________ is the length of time it takes an organism to complete its life cycle.
A series of stages that occur during the lifetime of a living thing is a ________________.
Seeds _____________ when they begin to grow into a new plant.
The ______________ is the earliest stage of development.
A tadpole looks like its parents after it goes through _________________.
Organisms with two parents inherit traits from___________________.
When mammals reproduce, their young are ____________________.
Birds, fish, reptiles, and amphibians _______________.
Brightly colored ___________ attract birds, bees, and other insects to a flower.
The __________ of a flower makes pollen.
Wind, water, and animals such as insects move _________ from stamens to the pistils.
An offspring develops into an ___________, or a fully grown, mature organism.
Complete metamorphosis involves an insect changing _________________-.
___________________ involves a three stage change.
Metamorphosis
Complete
Incomplete
Nymph
Adult
Egg
Egg
Adult
Larva
Pupa
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