PS AR RS P3L1 Living Things WS

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Topic: LIVING THINGS I (LESSON 1)

Rocket Science | Primary 3

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Primary 3: Rocket Science

LESSON OUTLINE
• Notes
• Activity 1: Hands-on Activity
• Activity 2: MCQs
• Activity 3: Open-ended Questions
• Activity 4: Fun Facts

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Primary 3: Rocket Science

LIVING THINGS – NOTES

What is classification? How do we show the classification of
• Placing things in different groups things?

based on their similarities. • Tables

• For example: By shape.

SHAPES

CIRCLE TRIANGLE

APPLES FRUITS BANANAS
ORANGES

Why do we classify things? • Diagrams
• Tohelp us see things on a simpler
SHAPES
way and understand diversity
around us. CIRCLES TRIANGLES

How do we classify things?
• Things can be classified based on

their common characteristics.
• For example: size, shape, colour.
• When we classify things, we look for

their similarities and differences.
• We can place things with the same

characteristics in the same group.

FRUITS

APPLES ORANGES GRAPES

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Primary 3: Rocket Science

LIVING THINGS – NOTES
Everything we see around us can be classified into two groups: living and non-
living things.

Living Things Non-living Things

• Need air, food and water in order • Non-living things do not respond to
to stay alive. changes around them.

• Air: Oxygen to breathe. • Example: Balloons can increase in
size, but they do not grow as they
• If they do not have enough of need a person to fill them with air.
these, they will die.

• Living things reproduce to • Example: Computers and robots
ensure their species continue to operate on electricity and are
exist. programmed to respond to
instructions.

• Living things respond to changes
around them.

• Example: Birds fly away when
they hear a loud noise.

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Primary 3: Rocket Science

LIVING THINGS – NOTES
Everything we see around us can be classified into two groups: living and non-
living things.

Living Things Non-living Things
• Living things can grow. They can
• Non-Living things cannot grow.
increase in size and shape or
change in appearance. • Non-living things do not need food,
air or water to stay alive as they are
• Example: Chicks grow into not alive.
chickens.
• Non-living things do no reproduce.
• Non-living things do not respond to

changes around them.

• Some may be able to move or
change in shape or size, but they
cannot do it on their own.

• Example: Cars can move but they
need to be driven by people.

• Example: Caterpillars grow into 1 2
butterflies.

3

AR Model – Chick 4

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Primary 3: Rocket Science

LIVING THINGS – NOTES
Classifying Living Things
Things

Living Things Non-Living
Things

Animals Plants Fungi Bacteria

Type Description Examples
Animals Dog, Chicken, Fish,
Plant Feed on other living things Snake, Crab
Banana tree, Algae, Rose,
Fungi Make their own food, grow, Moss
reproduce, can move but cannot
Bacteria move from place to place Mushroom, mould

Feed on other living things, Lactobacillus, E.coli
cannot move from place to
place, reproduce

Feed on other living things, very
small, can only be seen with a
microscope

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Primary 3: Rocket Science

Activity 1 – Hands-on Activity: Classifying Objects
1. Find three pieces of stationery that are of different colours. Draw them

below and label their colours.

2. Find four objects around your house that are of different sizes. Classify
them in two groups according to size. Draw them in the space provided
below.

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Primary 3: Rocket Science

3. Find four objects of different shapes around your house. Draw and classify
them in two groups according to how similar they are in shape.

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Primary 3: Rocket Science

Activity 2 – MCQs

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Primary 3: Rocket Science

1. Which of the following is a living thing?

Tree Robot Balloon Basketball

(1) Tree
(2) Robot
(3) Balloon
(4) Basketball

()

2. Which of the following do living things need in order to survive? )

(1) Heat
(2) Food
(3) Wind
(4) Shelter

(

3. Which of the following do living things NOT need in order to survive? )

(1) Air
(2) Toys
(3) Food
(4) Water

(

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Primary 3: Rocket Science

4. Jacky recently found a pet kitten. It was very weak and did not move. He
fed it some cat food. After eating the food, it began walking around his
house.

What does this tell us about living things?

(1) They can grow.
(2) They can reproduce.
(3) They need food to survive.
(4) They need heat in order to survive.

()

5. Jim found a mouse and put it in a jar. He put an airtight lid on so the mouse
would not escape. He gave the mouse some food.

W hat does Jim need to do to make sure the mouse survives?

(1) Shine a light into the jar.
(2) Put another mouse into the jar.
(3) Put the jar next to a window.
(4) Poke holes in the jar lid so it has air to breathe.

( )

10

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Primary 3: Rocket Science

6. Which of the following is an example of a living thing responding to changes
around them?

Train Balloon Kite Snail
(
(1) A train moves along a track.
(2) A balloon inflates when it is blown.
(3) A kite floats in the air when it is windy.
(4) A snail hides in its shell when it is touched.

)

7. Joanna classified the food in her fridge into two groups.

AB

W hat do A and B stand for? ()
(1) Plants and Cereals
(2) Biscuits and Drinks 11
(3) Meat and Ice Cream
(4) Fruits and Vegetables

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Primary 3: Rocket Science

8. Mary had a chick and recorded its weight over four weeks in the table
below.

Age Weight
1 week 200g
2 weeks 400g
3 weeks 700g
4 weeks 900g

What characteristic of living things does this show? ( )
(1) Living things can grow. ( )
(2) Living things can reproduce.
(3) Living things eat food to survive.
(4) Living things need water to survive.

9. Which of the following is a characteristic of all living things?
(1) They can reproduce.
(2) They can all make noise.
(3) They need oxygen to survive.
(4) They can all move from place to place.

12

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Primary 3: Rocket Science

10. Four friends saw an elephant at the zoo and said the following:
Farhan: The elephant is a living thing as it can move on its own.
Kirsten: The rock is not a living thing as it cannot grow.
Geetha: The plant is not a living thing as it cannot move around.
Amos: The elephant is a living thing as it can respond to changes in its
environment.

Elephant Rock Plant
()
Whose statement is W RONG?

(1) Farhan
(2) Kirsten
(3) Geetha
(4) Amos

13

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Primary 3: Rocket Science

Activity 3 – Open-ended Questions
1. Alex found a bird's nest in a bush near his house. He observed two eggs in

the nest.

A few weeks later, he observed two hatchlings in the nest. [1]
(a) State two characteristics of living things shown here

(b) A few weeks later, Alex noticed the hatchlings had grown [1]
much larger and were able to fly from the nest.

Aside from the ability to move from place to place, what characteristic
of living things did Alex observe?

14

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Primary 3: Rocket Science

2. Ajay found the following a grasshopper and a robot and placed them on his
table.

(a) Ajay noticed that the robot could move and thus, was a living thing. Is [1]
Ajay correct?

(b) Give a reason for your answer. [1]

(c) Ajay placed a blade of grass in the tank with the grasshopperand [1]
noticed that it had disappeared by the next day. What could have
happened to the blade of grass? What characteristic of living things
does this show?

15

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Primary 3: Rocket Science

Activity 4 – Fun Fact Video: Echinoderms and Sponges

https://www.youtube.com/watch?v=YvRCOWYQ6Rk

Discussion Questions

Some living things look like non-living things. Some examples
include sponges, sea cucumbers and starfish.

1. Do you think sponges are living things? Why or why not?
2. W hat characteristics do sponges have that make them living

things?
3. W here do sponges live?
4. W hat do sponges eat?

16

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