Science Year Four: 2013

Worksheet 4 Answers

Worksheet 4

1. basic needs
2. food , water

3. stay healthy

4. air

5. shelter

Worksheet 3 Answers

Worksheet 3

1. i= food ii= water
2. i= Humans need food to help them grow and stay healthy.

ii= Humans need water to stay healthy/ to maintain our body temperature/ for excretion.

3. Humans will die

Worksheet 2 Answers

Worksheet 2

1. bungalow
2. double storey house

3. flat
4. hut

5. long house

6. Kampong house

7. terrace house

8. igloo

9. tent

Worksheet 1 Answers

Worksheet 1

1. F 2. T 3. F 4. T 5. F

The Needs of a Plant (song for kids)

Worksheet 4

Worksheet 4

a) Write the correct answers in the boxes below by using the words given.

1. Animals have __________________.

2. __________________, __________________, air and shelter are the basic needs of animals.

3. Animals need to eat and drink to help them grow and to __________________.

4. Animals need __________________ to breathe.

5. Animals also need __________________ to protect themselves from danger, sun and rain.

shelter	water	air
stay healthy	food	basic needs

Worksheet 3

Worksheet 3

a) Write the answers below in the spaces provided.

The picture below shows an activity of Minah’s family.

1. Based on the picture above, name two of humans’ basic needs.

i. ________________ ii. ________________

2. Give a reason based on each answer given in (a).

i.__________________________________________________

ii.__________________________________________________

3. What will happen to humans if they cannot get the basic needs listed in (a)?
__________________________________________________

Plants Need Air

1. Plants need air to live.

2. Plants will absorb carbon dioxide in the air during photosynthesis, a process of making their own food.

3. Plants also nee oxygen all the time for respiration, even when the plants are making food.

More to Learn

Aquatic plants and animals can live in water because there is air in it.

Plants Need Sunlight

1. Plants can produce their own food.

2. Plants need sunlight together with carbon dioxide, water and air to make food during the process called photosynthesis.

3. Oxygen is given out during photosynthesis.

Bilingual corner

soil - tanah

carbon dioxide - karbon dioksida

photosynthesis - fotosintesis

oxygen - oksigen

Plants Need Water

1. Plants need water to survive.

2. Plants need water:

(a) to make its own food

(b) to control temperature

3. The roots of a plant absorb water from the soil and pass them to the rest of the plant.

4. Water keeps plants firm so that they will not wilt.

Animals Need Food

1. Animals need food to continue living.

2. Animals need food to grow, to stay healthy and to produce energy.

3. Animals cannot make their own food.

4. Animals can be grouped into three types according to the food they eat. They are herbivores, carnivores and omnivores.

More to Learn

Herbivores are animals that feed on plants only.

Examples are cows, elephants and snails.

Carnivores are animals that feed on other animals’ meat.

Examples are tigers, eagles and frogs.

Omnivores are animals that feed on both plants as well as animals’ meat.

Examples are bears, birds and chickens.

Bilingual corner

herbivore – herbivor

carnivore – karnivor

omnivore – omnivor

nest – sarang

cave – gua

holes – lubang

cage – sangkar

pen - reban

Animals Need Water

1. Just like humans, animals also need air to breathe during respiration.

2. Animals need oxygen to help them to produce energy from food.

(a) to control body temperature.

(b) to carry digestive food to various parts of the body.

Science Snippets

Animals can live without food for several days but will die without water within a few days

1. Just like humans, animals also need air to breathe during respiration.

2. Animals need oxygen to help them to produce energy from food.

Science Snippets

Animals can live without food for several days but will die without water within a few days.

Animals Need Shelter

1. Animals need shelter to protect tmeselves from danger, sun and rain.

2. There are different types or shelter for animals.

Types of shelters	Animals
Nest	Birds, ants, wasps
Cave	Bats, swallows
Hales	Earthworms, moles, rats
Cage	Birds, hamsters
Kennel	Dogs
Aquarium	Fishes, tortoises
Pen	Chickens, ducks, geese
Hive	Bees