P3 Science Hblt3 W2 Lifecycle
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Transcript of P3 Science Hblt3 W2 Lifecycle
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Day 1 : Monday (30 mins)
P3 HBL Term 3Week 2
Life Cycles Part 1
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Look at the pictures below….
What do the pictures tell you?
Before After
A dead community. No continuity of life.
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Look at the pictures below….
What do these pictures tell you?
A community of life. Reproduction takes place.
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Below are pictures of some animals….
Spectacled Cormorant
Dodo Dire Wolf
Dinosaurs
Ichthyosaur
Archaeopteryx
Sabre-Toothed "Tiger"
Thylacine
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A life cycle is like….
A bicycle wheel
What are some words you can think of to describe the bicycle wheel?
Smooth
Ongoing
Continual
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A life cycle resembles….A wheel divided into stages.
Rotation of earth
Recycle materials
Communication
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Where do young come from?
Is it from the egg first OR… the adult animal?
Cassowary eggCassowary
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Where do young come from?
Young comes from fertilised eggs!!!
Moth Chicken
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Where do young come from?
Young hatch from eggs
Young was given birth alive from mother’s womb with placenta
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Activity 1 - Life cycle“The life cycle of an organism stops once it grows into an adult.”
Is the sentence true or false?
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Activity 2 – Life CycleFarmer Dylan placed some hens and cockerels together in Pen A. In Pen B, he kept only hens. Several days later, he noticed that the hens in both pens have laid eggs. A few weeks later, he noticed that the eggs in Pen A have hatched into eggs but not those in Pen B.
Explain to Farmer Dylan why this has happened.
How long does Farmer Dylan have to wait for the egg to hatch?
If Farmer Dylan wanted to rear eggs for eating only, what must he do?
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Day 2 : Tuesday (60 mins)
P3 HBL Term 2 Week 2
Life Cycles Part 2
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Life CyclesAnimals
ChickenInsects
CockroachButterflyMosquitoMealworm Beetle
AmphibiansFrogs
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Life CyclesAmphibians
Frogs
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Frog Eggs
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Frog Eggs
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Frog Eggs
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Tadpoles - Young
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Tadpoles - Young
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Tadpoles - Young
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Tadpoles - Young
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Tadpoles - Young
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Kermit the Frog
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Frog Lifecycle6 to 21days
to hatch
12 to 16
weeks
eggs
youngadult
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Animals
Chicken
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Chicken - Eggs
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Chicken - Eggs
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Chicken - Eggs
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Chick - Young
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Chicken - Adult
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Chicken Lifecycle
21 daysto hatch
eggs
youngadult
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InsectsInsects
CockroachButterflyMosquitoMealworm Beetle
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Mealworm - Eggs
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Mealworm Larvae
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moulted skin ~ 14 moulted skin ~ 14 timestimes
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Mealworm Pupae
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Mealworm Beetles
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Mealworm Lifecycle
1 weekto hatch
weeksto
months6 to 3odays
3o to 60
days
eggs
pupa
larvaadult
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YUMMY!
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Butterfly Egg
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Butterfly Larva - Caterpillar
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Caterpillar Moulting
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preparing to...
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Butterfly Pupae
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ButterflyEmergin
g
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Butterfly
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Cockroach Egg Case
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Cockroach Nymphs
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Adult Cockroach
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Cockroaches! ARGGHH!
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Cockroach Lifecycle
6 - 7 weeksto hatch
eggs
youngadult
9 - 13 months to hatch
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Mosquito - Eggs
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Mosquito - Larvae
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Mosquito Pupae
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Emerging Mosquito
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Mosquito - Adult
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Mosquito Lifecycle24 to 48to hatch
7 to 10days
eggs
pupa
larvaadult
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Activity 1 - Challenge
Choose an animal that you have learnt from the slides. Find out new
information about the animal, such as the number of stages in its life
cycle, the things it needs to survive, and some other interesting facts
about your animal.
Present these information on a chart/poster.
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Day 3 : Thursday (30 mins)
P3 HBL Term 2 Week 2
Life Cycles Part 3
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Activity 1Rabbit , mosquito , parrot , butterfly , duck , man ,
chicken , tiger , moth, frog, dragonfly, mealworm, ants, bear
Classify these animals into three groups according to their life cycles. egg
Adult
Young
egg
Adult larva
pupa
Adult young
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Activity 2• Read I- Science Textbook (Cycles)
Chapter 1
Pg 2 to 11
• Complete I – Science Workbook (Cycles)
Pg 1 to 7
Acknowledgement: httb://w3weshare.moe.edu.sg