WorksheetsG4 SciQ3Q1
Total questions: 76
Worksheet time: 41mins
What is reproduction?
The process of eating food
The process by which a living thing perpetuates its kind
The process of growing bigger
The process of breathing
What is a life cycle?
A circular path
A heart
A continuous process of change from birth to death
A stage of sleeping
What happens during fertilization?
A cell divides into two
A sperm cell unites with an egg cell
A baby is born
An embryo becomes a fetus
What is a zygote?
The last stage of human development
A type of cell found in plants
The first cell of a new individual
A stage after adolescence
A zygote develops into an ________.
At around how many weeks is an embryo called a fetus?
5 weeks
15 weeks
10 weeks
20 weeks
What happens to the embryo after 10 weeks?
What is the infancy stage?
From birth to one year old
From one to three years old
From three to eleven years old
From twelve to eighteen years old
During infancy, an infant is:
Independent and can walk
Ready for school
Totally dependent on parents or caregivers for all needs
Able to read and write
What is the first stage of the human life cycle?
Fetus
Infant
Toddler
Zygote
The toddler stage begins after:
Six months of infancy
One year of infancy
Two years of infancy
Three years of infancy
During the toddler stage, a child learns to:
Drive a car
Read long books
Walk, talk, and eat
Work for a living
The childhood stage spans from age:
1 to 5
3 to 11
5 to 10
10 to 15
During childhood, the child starts to:
Retire from work
Have babies
Learn to crawl
Enter school years
The adolescence stage begins at puberty, from age:
8 to 12
10 to 15
12 to 18
15 to 20
In females during adolescence, what physical change occurs?
Voice gets deeper
Shoulders become broader
Breast size increases and hips widen
Height decreases
In males during adolescence, what happens?
Hips widen
Breast size increases
They become shorter
Shoulders become broader and voice gets deeper
Adulthood is the stage when:
A person takes on mature responsibilities and works for a living
A person learns to walk
A person is born
A person learns to talk
How many main stages are in the human life cycle?
3
4
5
6
What are sex cells also known as?
Reproductive cells
Blood cells
Skin cells
Brain cells
Starts to walk and talk
(a)
learns how to read short stories
(a)
becomes capable of reproduction
(a)
cries when hungry or asking for food
(a)
starts to get conscious of his/her physical appearance
(a)
What is the period called when a dog embryo develops inside the mother's body?
Incubation period
Infancy
Gestation period
Metamorphosis
How long is the gestation period in dogs?
30 to 40 days
58 to 65 days
90 to 100 days
120 days
Animals like mammals, birds, reptiles, and fishes undergo a:
Complex life cycle
No life cycle
Reverse life cycle
Simple life cycle
In a simple life cycle, animals are either:
Fast or slow
Born alive or hatched from eggs
Big or small
Carnivores or herbivores
How many distinct stages are in a simple life cycle?
2
3
4
5
The three stages of a simple life cycle are:
Egg, pupa, adult
Larva, pupa, adult
Tadpole, froglet, frog
Embryo, young, adult
What is the incubation period?
The time a mother carries a baby inside her body
The time an animal eats
The time an animal sleeps
The time from when an egg is laid until it is hatched
In chickens, the incubation period lasts:
5 to 10 days
12 to 18 weeks
21 days
30 days
A young chicken is called a:
Chick
Hatchling
Pullet
Nestling
The life cycle of a chicken includes:
Egg, larva, pupa, chicken
Egg, tadpole, froglet, chicken
Egg, embryo, hatchling, chick, chicken
Egg, caterpillar, butterfly
What does metamorphosis mean?
Distinct changes in body shape and appearance
A sleeping pattern
A type of food
A way of moving
The word metamorphosis comes from Greek words meaning:
"Fast" and "slow"
"Big" and "small"
"Life" and "death"
"Change" and "form"
Which animal goes through complete metamorphosis?
Bird
Dog
Frog
Cat
How many stages are in complete metamorphosis?
The four stages of complete metamorphosis are:
Egg, young, teenager, adult
Baby, child, teen, adult
Embryo, young, adolescent, adult
Egg, larva, pupa, adult
What stage of the butterfly life cycle is shown in the image with a green and black striped worm-like creature?
Adult
Egg
Larva (caterpillar)
Pupa
What is a butterfly larva called?
Caterpillar
Maggot
Grub
Nymph
During the larva stage, a caterpillar:
Flies around
Lays eggs
Feeds and grows, shedding its skin several times
Stays completely still
How long does the larval stage of a butterfly last?
A few days
One year
8 months
About three weeks
What is a butterfly pupa also called?
During the pupa stage:
The caterpillar eats a lot
The caterpillar rests while its tissues are broken down and replaced
The butterfly emerges immediately
The caterpillar learns to fly
Where does a butterfly lay its eggs?
On the underside of a leaf
On the ground
In water
In a nest
A frog egg is described as:
Hard-shelled
Covered in fur
Made of wood
Jellylike
Where do frog eggs hatch?
On land
In trees
In ponds or swamps
In nests
A tadpole breathes through its:
Lungs
Skin
Gills
Mouth
What does a tadpole use to swim?
Its long tail
Fins
Its legs
Wings
As a tadpole grows, what develops first?
What happens to a tadpole's tail as it becomes a frog?
It grows longer
It becomes colorful
It disappears
It splits in two
What is a young frog called?
Tadpole
Froglet
Toadlet
Kerokerokeroppi
What does an adult frog feed on?
Insects
Plants
Smaller frogs
Rocks
An adult frog lives:
Both in water and on land
Only in water
Only on land
In trees only
An adult frog breathes through its:
Gills
Lungs
Tail
Scales
What is the correct sequence of events in the life cycle of a frog?
Adult → tadpole → egg → froglet
Tadpole → adult → egg
Froglet → adult → egg → tadpole
Egg → tadpole → froglet → adult
A grasshopper goes through:
Complete metamorphosis
Incomplete metamorphosis
No metamorphosis
Reverse metamorphosis
How many stages are in incomplete metamorphosis?
What stages does a grasshopper go through?
Egg, larva, adult
Egg, pupa, adult
Egg, nymph, adult
Egg, caterpillar, adult
What is a nymph?
An adult insect
A young grasshopper that looks like a smaller adult
An egg stage
A type of butterfly
A nymph has _____ instead of wings:
Feathers
Scales
Wing pads
Antenna
Which animal has the LONGEST list of stages in its life cycle?
Dog (simple life cycle)
Grasshopper (incomplete metamorphosis)
Butterfly (complete metamorphosis)
All have the same number
What is the main difference between complete and incomplete metamorphosis?
Complete has 4 stages; incomplete has 3 stages
Complete happens in water; incomplete on land
There is no difference
Complete is faster than incomplete
Which animals undergo complete metamorphosis?
Dogs and cats
Chickens and birds
Snakes and lizards
Frogs, butterflies, and mosquitoes
The correct order of chicken life cycle stages is:
Egg → embryo → hatchling → chick → chicken
Chick → egg → chicken → hatchling
Hatchling → egg → chick → chicken
Chicken → chick → egg → embryo
How do you differentiate the life cycle of a puppy and a frog?
Puppies have a simple life cycle; frogs have complex metamorphosis
Puppies undergo metamorphosis; frogs don't
Frogs have a simple life cycle; puppies have metamorphosis
They are exactly the same
Why do butterflies change so much as they grow?
For fun
They don't change much
These changes help them survive in their environments
To confuse predators only
Which of the following best explains why understanding life cycles is important?
It helps protect animals at their most vulnerable stages
It's required for tests
It has no real purpose
Only adults need to know this
The correct order for the butterfly life cycle is:
Egg → caterpillar → pupa → butterfly
Pupa → caterpillar → egg → butterfly
Butterfly → pupa → egg → caterpillar
Caterpillar → butterfly → egg → pupa
The correct order for the frog life cycle is:
Froglet → tadpole → egg → frog
Tadpole → froglet → egg → frog
Frog → egg → tadpole → froglet
Egg → tadpole → froglet → frog
Which statement about life cycles is TRUE?
Every living thing undergoes changes from birth to death
All animals have the same life cycle
Only insects have life cycles
Life cycles never involve reproduction
Cats, horses, snakes, and turtles undergo:
Complete metamorphosis
Incomplete metamorphosis
A simple life cycle
No life cycle
What happens during the gestation period?
An egg is incubated outside the body
A fertilized egg stays inside the mother's body and develops
An animal hibernates
An animal migrates
Which is NOT a stage in butterfly metamorphosis?
egg
tadpole
caterpillar (larva)
pupa
