natural science 2 rr

There are five categories of worksheets: Reinforcement, Extension, Assessment, Investigate!. Reinforcement, Extension and Assessment worksheets There are Reinforcement, Extension and A

Natural Science

TEACHER’S RESOURCE BOOK

Natural Science 2 is a collective work, conceived, designed and created by the Primary Education department at Santillana, under the supervision

of Teresa Grence Ruiz

Natural Science

TEACHER’S RESOURCE BOOK

Nombre Fecha

Contents Introduction III Worksheets Reinforcement 6

Extension 24

Assessment 42

Investigate! 60

Science songs 69

Answer keys 78

The Natural Science 2 Teacher’s Resource Book provides a wide variety of photocopiable worksheets designed to broaden and reinforce the concepts covered in the Natural Science 2 Student’s Book and Natural Science 2 Teacher’s Book

The worksheets allow a flexible approach in the classroom Students in the same class can be given different worksheets according to their level: stronger students can expand on the material learnt in class, and students needing more support can use the worksheets to revise when necessary Students can also work together to complete the tasks with stronger peers Teachers with more contact hours can make use of the photocopiable materials as and when they need to They can be used for revision purposes, for extension practice,

as progress tests, for assessment or for homework There are five categories of worksheets:

Reinforcement, Extension, Assessment, Investigate! and Science songs The Answer keys are provided at the back of the book

Reinforcement, Extension

and Assessment worksheets

There are Reinforcement, Extension and

Assessment worksheets for each unit These

worksheets are a flexible tool which can be

used after the relevant sections of the

Student’s Book

Depending on the level of the students, they

can complete the worksheets with or without

consulting their Student’s Books, in the

classroom or at home.

There are nine double page Reinforcement

worksheets They are designed to provide

additional support for students in need of

further practice.

There are nine double page Extension

worksheets They can be used for fast

finishers or to further expand on the material

covered in class.

There are nine double page Assessment worksheets per unit These worksheets can be given to students once the unit has been completed, to evaluate progress

or as a revision test.

Assessment worksheets

Natural Science 2 Natural Science 2

6 Photocopiable material © 2015 Santillana Educación, S.L Photocopiable material © 2015 Santillana Educación, S.L 7

REINFORCEMENT REINFORCEMENT 1 We are all different 1

We are all different

We are all different 1

1 Colour the main parts of the body.

2 Look at the girl and classify the parts of the body.

head trunk limbs

limbs trunk head

blue yellow red

hair forehead

thorax abdomen

foot

chin arm hand leg

Maia

Clara Yang

1 Look at the children and write.

How are they different?

How are they similar?

2 How are they feeling? Match and write.

3 What makes you scared? Tick ( ✓ ).

sad happy angry

Natural Science 2 Natural Science 2

24 Photocopiable material © 2015 Santillana Educación, S.L Photocopiable material © 2015 Santillana Educación, S.L 25

1

1 We are all different

We are all different

We grow and change

Everybody grows up and changes

Our bodies change as we grow

Children grow very fast Adolescents grow more slowly At this stage there are more differences between boys and girls Adults do not grow more, but when they are old they get grey hair.

As we grow up we also become more experienced We learn new things all our lives.

1 Write T (true) or F (false).

Children grow fast

Adults grow very fast

Old people get grey hair

We learn new things when we are children and adults

2 Look at the picture above and write the stages.

adolescent old age adult

1 Look at the pictures of David How is he different today? Write.

2 How are they feeling? Draw the clowns’ faces.

3 Draw your friend and write.

David – 2 years old David – 10 years old David – 16 years old today

He’s happy He’s sad.

bab¥

1

1 We are all different

We are all different

ASSESSMENT ASSESSMENT

1 Read and circle.

We are all different / the same.

We all have different / the same physical features.

We all have different / the same rights.

We all have the right to go to school / have a lot of toys.

2 Match and write.

3 How are they feeling? Look and complete.

Thifi gir ifi ľelin@

∫¶caußæ s™æ ca>ª† swiµ.

Thifi bo¥ ifi ƒæelin@

∫¶caußæ

™æ wo> å footbal¬ matc™.

angry happy sad surprised

2 Read and complete the index card.

3 Put the people in order of age Write 1, 2, 3 and 4.

Science songs worksheets

There are seven Science songs worksheets to complement the songs recorded on the Class Audio CD The songs can

be used with these worksheets or played as background music while students work in class.

Answer keys

They are provided at the back of this Teacher’s Resource Book.

Investigate! worksheets

The nine Investigate! worksheets provide additional

opportunities for students to carry out simple investigative tasks

either in the classroom or at home

1 Choose the best answer Tick ( ✓ ).

the text is about…

fingers eyes fingerprints.

2 Write T (true) or F (false).

everybody has got the same fingerprints.

identical twins are completely identical.

the police use fingerprints a lot to identify people.

3 Experiment!

Put some ink on the tip of one of your fingers then, put your finger

on a piece of paper and press Look at your friend’s fingerprint.

are your fingerprints the same?

The police use fingerprints a lot Fingerprints help the police to identify people and solve crimes.

1 Do your friends look after their bodies?

Ask and write Yes or No.

Natural Science 2 Photocopiable material © 2015 Santillana Educación, S.L 69

Name Date

SCIENCE SONGS 12

The senses and movement

1 What does the song say? Tick ( ✓ ) or cross ( ✗ ).

Our bones help us move and turn

Our bones help us breathe

Our bones protect our organs

Our heart always beats

The heart is a great machine

2 Listen and answer.

What helps us breathe?

1 Colour the main parts of the body.

(Ss colour the head red, the trunk blue and the limbs yellow.)

2 Look at the girl and classify the parts

of the body.

head → hair, forehead, chin.

trunk → thorax, abdomen.

limbs → arm, hand, leg, foot.

Page 7

1 Look at the children and write.

Model Answer (M.A.):

different: Maia and Clara are girls Yang

is a boy Maia has got dark skin Yang and Clara have got light skin Etc.

similar: They are all children They have got hair / two eyes Etc.

2 How are they feeling? Match and write.

(Ss write in order: happy, angry, sad.)

3 What makes you scared? Tick (✓).

Open Answer (O.A.)

2 THE SENSES AND MOVEMENT Page 8

1 Look and write the sense they are using.

taste; sight; touch; hearing; smell.

2 What are bones like? Tick (✓).

Bones are hard and rigid.

3 Look at the skeleton and answer the questions.

The humerus, the ulna and the radius join together at the elbow.

The femur, the fibula and the tibia join together at the knee.

Page 9

1 Find and circle five muscles.

calf muscle; biceps; gluteus; abdominal;

(Ss correct the first sentence.):

You should wash your hands before you eat.

3NUTRITION Page 10

1 Choose the correct words to complete the sentences.

People need air, food and water to live.

To be healthy, we need to eat healthy food and breathe clean air.

2 Label the picture.

clockwise, from top left: nose; trachea;

lungs; mouth.

Answer keys REINFORCEMENT

Name Date

We are all different

1 Colour the main parts of the body.

foot

chin arm

hand leg

1 Look at the children and write.

How are they different?

How are they similar?

2 How are they feeling? Match and write.

3 What makes you scared? Tick ( ✓ ).

sad happy angry

Name Date

1 Look and write the sense they are using.

2 What are bones like? Tick ( ✓ ).

Bones are…

hard soft.

elastic rigid.

3 Look at the skeleton and answer the questions.

Which bones join together at the elbow?

Which bones join together at the knee?

Name Date

2REINFORCEMENT

The senses and movement

1

1 Find and circle five muscles.

2 Read and write T (true) or F (false).

Your muscles support and protect your body

Muscles cover your skeleton

Your joints connect your muscles to your bones

They are soft and elastic

They can stretch and contract

3 Unscramble the sentences Then, correct the false sentence.

should / your / before / You / wash / watch / hands / TV / you.

sleep / ten / every / hours / night / You / at least / should

use / when / should / You / suntan / it / is / cream / sunny / very.

Name Date

Nutrition

1 Choose the correct words to complete the sentences.

healthy fast air sweets food water dirty clean

Peop¬æ næe∂ , an∂

to liæ

To ∫¶ ™ealth¥, ∑¶ næe∂ to ea† foo∂ an∂ b®eat™æ ai®.

2 Label the picture.

3 Write T (true) or F (false) Then, correct the false sentence.

You breathe in air through your nose and your mouth

When you breathe in, your chest grows bigger

When you breathe in, you absorb oxygen

When you sleep, you don’t breathe

lungs mouth

trachea

nose

Name Date

Nutrition

1 Read and circle.

Food goes into your mouth / oesophagus You chew food with

your teeth / tongue Your hands / tongue helps mix the food with

water / saliva Then, food goes down your oesophagus / neck

and into your feet / stomach.

2 Look at the food pyramid and answer the questions.

Write three foods you should eat several times a week.

Write three foods you should only eat occasionally.

Write three foods you should eat every day.

Food you should

eat several times a week

Food you should

eat several

times a day

Food you should only eat occasionally

Name Date

Plants

1 Circle the living things.

2 Write the parts of the plant.

3 Read and match.

The roots are inside the fruits.

The stem transports the nutrients

around the plant.

The leaves fix the plant to the

ground

The seeds absorb sunlight and air.

Name Date

Plants

1 Read and match.

2 How do plants reproduce? Read and write 1, 2, 3 and 4.

1 A seed falls to the ground.

2 The seed germinates and a plant grows.

3 With water, sun and air, the plant grows and blooms.

4 The flowers produce fruit with seeds.

They have got long,

hard, thick stems,

grasses bushes trees

Name Date

5

Animals

1 Write T (true) or F (false)

Vertebrates have got an internal skeleton

Invertebrates have got an internal skeleton

3 Write the parts of the insect.

head body antenna leg wing

REINFORCEMENT

an†ennå

Name Date

Animals

1 What kind of animal is it? Tick ( ✓ ) the characteristics.

A cow is a vertebrate an invertebrate

It is viviparous oviparous

It has got hair feathers scales

It is a mammal a bird a fish an amphibian a reptile

An eagle is a vertebrate an invertebrate

It is viviparous oviparous

It has got fur feathers scales

It is a mammal a bird a fish an amphibian a reptile

2 How do amphibians reproduce? Look and write 1, 2, 3 and 4.

3 Which of these groups of animals are invertebrates? Colour.

mammals birds insects amphibians reptiles fish

Name Date

1 Where do these animals live? Match.

2 Read and write the words.

rocks pine trees eagle water grass

An ecosystem is made up of living things

A mountain ecosystem Non-living things

snow mountain

Living things

bushes deer fox

REINFORCEMENT

Name Date

1 Colour the living things in this ecosystem.

2 Look and tick ( ✓ ) the characteristics of this ecosystem Then, answer

the questions.

This is an aquatic ecosystem.

This is a terrestrial ecosystem.

This is salt water.

This is fresh water.

What living things are there in this ecosystem?

What non-living things are there in this ecosystem?

3 Read and match.

Living things depend on each other for food and form an ecosystem

Ecosystems

Name Date

Materials

1 Look and classify the materials.

2 Read and tick ( ✓ ) the correct option.

A resistant material…

can bend without breaking.

can support heavy weights.

An elastic material…

cannot stretch or break.

can stretch and return to its original shape.

A flexible material…

can bend without breaking.

breaks easily when we bend it.

7REINFORCEMENT

wool

plastic wood

paper

glass clay

natural materials

man-made materials

Name Date

Materials

1 What materials are these objects made of? Why? Write.

glass flexible rubber transparent cotton elastic

A w™æe¬ ifi ma∂æ øƒ ∫±caußæ i† ifi

A window ifi ma∂æ øƒ ∫±caußæ i† ifi

A T-shir†

.

2 Which object is heavier? Look and circle.

3 What do you use to measure things? Match Then, read and complete.

a ruler a jug of water scales

To measure the weight of an object we use

Name Date

1 Which force moves these types of transport? Use the colour key to circle.

blue The force of the wind

red The force of people

yellow The force of a motor

2 Look and tick ( ✓ )

Who is pulling the wheelbarrow?

Andrew Lina Peter Who is pushing the wheelbarrow?

Andrew Lina Peter.

Now, draw an arrow on the wheelbarrow to show the direction it

Name Date

Forces and energy

1 What types of energy can you see in this picture? Write.

electricity sunlight fuel

2 Look and match Then, write renewable or non-renewable.

petroleum sunlight wind

3 What sound does this instrument make? Read and tick ( ✓ ) two options.

It makes a loud sound It makes a soft sound.

It makes a high sound It makes a low sound.

Name Date

Machines

1 Look and write the names of the machines.

2 Match the jobs to the machines

firefighter cook scientist carpenter

pulley

spade

lawnmower

shears wagon

wheelbarrow

rake

Name Date

REINFORCEMENT

1 Write the name of a machine you use for each activity.

2 Which telephone is the oldest? Which is the most modern?

Write 1, 2 and 3.

3 What do we use the Internet for? Read and tick ( ✓ ).

For looking for information.

For travelling very fast.

For communicating with people

all over the world.

For watching films at home.

For printing.

For writing.

to communicate with a friend

to travel with your family

to cook

to clean the floor

to play a video game

to put out a fire

Name Date

1

We are all different

EXTENSION

We grow and change

Everybody grows up and changes

Our bodies change as we grow

Children grow very fast Adolescents

grow more slowly At this stage

there are more differences between

boys and girls Adults do not grow

more, but when they are old they

get grey hair.

As we grow up we also become

more experienced We learn new

things all our lives.

1 Write T (true) or F (false).

Children grow fast

Adults grow very fast

Old people get grey hair

We learn new things when we are children and adults

2 Look at the picture above and write the stages.

adolescent old age adult

bab¥

1 Look at the pictures of David How is he different today? Write.

2 How are they feeling? Draw the clowns’ faces.

3 Draw your friend and write.

David – 2 years old David – 10 years old David – 16 years old today

He’s happy He’s sad.

Name Date

2EXTENSION

Your skeleton

You cannot see your skeleton It is inside your body

But it is very important Your skeleton keeps your body in shape

It allows your body to move It helps you run and play.

Your skeleton is made up of

bones Bones are living things

They are hard on the outside and

soft on the inside They grow

and grow till you are twenty

years old.

You have 206 bones in your skeleton

You have 26 in each hand! Can you name

any bones?

The senses and movement

1 How many bones make up your skeleton?

2 Write T (true) or F (false).

Your skeleton helps you move

Bones are living things

They are soft on the inside

Bones grow till you are ten years old

There are 26 bones in your head

Name Date

2EXTENSION

The senses and movement

1 Look and answer the questions.

Which part of the body do the biceps move?

gluteus

calf muscles

Name Date

1

Nutrition

1 Answer the questions.

What does Henry need to live?

How many times does he breathe every day?

How many metres does Mark’s food travel?

What food does he like?

How old is Tommy?

How many teeth have adults got?

Our amazing bodies!

This is Henry He breathes in and out about 40,000

times every day He needs lots of oxygen to live!

This is Mark His food travels nine metres through his

digestive system His food takes about thirty hours to

pass all the way through his body He likes eating

fruit, but he doesn’t like eating vegetables.

This is Tommy He is six years old He has got twenty

milk teeth When he grows up he will have thirty-two

adult teeth Look! He has lost a milk tooth, so now

he has got nineteen.

Name Date

3EXTENSION

Nutrition

1

1 Look and complete the text.

Wæ al¬ næe∂ ai® to li√æ W™e> yo¤ b®eat™æ i>,

en†erfi you® bod¥ throug™ you®

an∂ T™æ ai® gøefi into you® bod¥ throug™ t™æ T™e>, t™æ ai® en†erfi you® W™e> yo¤ b®eat™æ ou†, yo¤ empt¥ you® lungfi.

2 Read and circle.

When you are born you have no / a lot of teeth In your first year, your

milk / adult teeth grow Your milk teeth begin to grow / fall out when

you are about six years old.

3 What is a healthy diet? Tick ( ✓ ).

We should only eat fruit and vegetables

and drink water.

We should eat all types of food.

breathe in breathe out

Name Date

4EXTENSION

Plants

1 Answer the questions.

What makes this park different?

What plants do people grow in these allotments?

What other plants can you grow in an allotment? Give three examples.

2 Circle the tools we can use in an allotment.

A city garden

There is a park near

my house There are

people grow different plants.

Some people prefer to grow flowers, like roses and carnations They look very pretty! Other people like to grow fruit and vegetables, like tomatoes, carrots and potatoes They taste delicious!

Name Date

4EXTENSION

Plants

1 Look and classify the plants.

trees

bushes

grasses

2 Complet the text.

3 Read and circle.

A fir tree keeps its leaves all year round

It is an evergreen / a deciduous plant.

An almond tree loses its leaves in autumn

It is an evergreen / a deciduous plant.

seeds fruits flowers

I> sprin@, gro∑ o> t™ổ

appơổ tđổổ I> sumàeđ, t™eƠ tur> into T™eđổ ađổ insi∂ổ t™ổ appơefi.

Name Date

EXTENSION

Animals

Amazing frogs and toads!

The goliath frog is the biggest frog in

the world It can grow as big as your

school bag! It lives in the rainforests

in Africa The goliath frog is an

endangered species.

One of the smallest frogs in the world

is the gold frog It is only about 1 cm

long It lives in Brazil It is a carnivore

and eats flies, ants and other insects.

Some frogs can jump very far

A sharp-nosed frog can jump

10 metres in three jumps!

Tree frogs have got sticky toes so they can climb trees easily.

Some toads change their skin colour to hide from predators One of these

is the oriental fire-bellied toad Its belly turns bright red when it is afraid, and it is very poisonous!

1 Read and match the sentences.

The goliath frog is very small.

The gold frog is in danger of extinction.

The sharp-nosed frog is very good at jumping.

Tree frogs is very big.

The oriental fire-bellied toad changes its skin colour.

Name Date

EXTENSION

Animals

1 Tick ( ✓ ) the characteristics of frogs.

They are vertebrates They are invertebrates.

They are viviparous They are oviparous.

They have got scales They have got bare skin.

They have got feathers They have got legs.

2 Circle the amphibian.

3 Compare frogs and newts Read, then circle the correct words.

A newt is a small amphibian

It has got a thin body and a long tail

It has got four short legs and bare skin.

A newt has got a thin / fat body.

A newt has got / hasn’t got a long tail

A frog has got a thin / fat body.

A frog has got / hasn’t got a tail.

newt

5

Name Date

EXTENSION

The Amazon rainforest

The Amazon rainforest is the

biggest rainforest in the world

It is in South America

The Amazon River goes through

it There are many species

of plants and animals that live

in this rainforest

Two of the biggest animals living

in the rainforest are the jaguar and the anaconda snake There are also millions

of insects.

There are more than 3,000 species of fish in the Amazon

River The most dangerous fish is the piranha It has got

very sharp teeth and is a carnivore It eats all kinds

of animals!

1 Answer the questions.

Where is the Amazon rainforest?

Name two animals living there.

What is the most dangerous fish in the Amazon River? Explain.

6

Ecosystems

Name Date

EXTENSION

1 Write T (true) or F (false) Then, correct the false sentence.

The Amazon rainforest is very big

The anaconda is one of the biggest animals living there

There are a lot of insects in the Amazon

Some of the fish in the Amazon River are carnivores

The Amazon rainforest is in North America

2 What are the differences between these two ecosystems?

Complete the sentences.

jungle snakes lizards desert monkeys scorpions

I> ồ ecosys†eà t™eđổ ađổ no† manƠ plantfi, bu† i> ồ ecosys†eà t™eđổ ađổ manƠ tđổefi an∂ bus™efi.

I> ồ ∂eòer† ecosys†eà ∑ả ca> fin∂ animalfi,

suc™ afi an∂ I> ồ jungơổ

ecosys†eà ∑ả ca> fin∂ animalfi, suc™ afi

6

Ecosystems

Name Date

1 Read and tick ( ✓ )

Paper is a natural material Paper is a man-made material.

It is easy to recycle paper It is difficult to recycle paper.

Recycling paper

We can make recycled paper at home.

First, tear some old paper into

small pieces and put it in a bowl

of water Then, use a mixer

to make paper purée.

Next, put the paper paste on a clean cloth and press it with the rolling pin again.

Then, put some of the purée on

a wooden frame with a net and

spread it out Press it with a

rolling pin.

Finally, put the piece of paper

to dry on a clothes line.

Materials

3 1

Name Date

Materials

1 What materials and tools do you need to make recycled paper? Write.

2 What are the properties of paper? Write.

3 Draw a recycling container for paper Then, circle the objects that

you can put in it.

4 Write T (true) or F (false).

Wood is a transparent material.

A wooden ball weighs the same as a paper ball of the same size.

A wooden ball has the same volume as

a metal ball of the same size.

Wood burns when its temperature increases.

Name Date

Forces and energy

Space travel

Over 50 years ago humans sent

the first spaceship into space.

Scientists have created many rockets

and spaceships to send humans to

the Moon and to distant planets.

Scientists need to find an energy

source for spaceships and satellites

when they are in space They now

use solar panels to get electricity

from sunlight Modern satellites

have solar panels so their systems

and computers work.

1 Read the text again and circle the correct words.

People travel to space in buses / spaceships.

Humans have travelled to the Moon / Sun.

Spaceships use solar / wind energy when they are in space.

Solar panels use water / sunlight to produce electricity.

2 Look at the picture of the satellite and write.

Earth two space Sun

Thifi sa†elli†æ ifi i> I† ifi going roun∂ t™æ I† hafi go† sola® pa>elfi

to @e† e>erg¥ froµ t™æ