science and geography 4 - booklet - worldarcstudio :::...
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4 ■ Mammals
ReinforcementName Date
Worksheet
1
RememberMammals are vertebrates. They breathe through their lungs. They areviviparous, and nurse their young with milk. Their skin is usually covered with fur or hair.
1. Circle eight words related to mammals. Use the words to complete the sentences.
MAMMALS
Mammals have a spinal column. They are .
They breathe through their .
They skin is covered with hair or .
They give birth to live young. They are .
They nurse their young with .
They move about using their .
Some swim using or fly using .
J L M B W S A O W I NB V I V I P A R O U SR K L A N V Z C R H DE H K M G O N Y F U RS P B T S F I N S I XK L J F N U T O S N RV E R T E B R A T E SX G V L W D G J A Q PV S A F L U N G S S R
vertebrates
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5■ Vertebrates
ReinforcementName Date
Worksheet
2
Remember
Fish, amphibians, reptiles and birds are also vertebrates.
1. Match the characteristics with the vertebrate group/groups.
2. Answer the questions.
• In which vertebrate group are the young different from the adults?
• In which vertebrate group are the limbs fins?
REPTILES
FISH
MAMMALS
BIRDS
AMPHIBIANS
Skin covered with fur/hair
Lay eggs
Give birth to live young
Breathe though lungs
Skin covered with feathers
Skin covered with scales
Breathe through gills
Bare skin
Young called tadpolesSCIE
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6 ■ Invertebrates
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ReinforcementWorksheet
1
Name
ReinforcementName Date
Worksheet
3
1. Make correct sentences. Circle and write.
2. Color the insect: head - blue, thorax - green, abdomen - red. Label the antenna,wing, and leg.
Remember
Invertebrates do not have a spinal column. There are many differentgroups. Some of the most important are worms, mollusks and insects.
• Worms have long, bodies and legs.
• Molluscs have hard
bodies and a shell.
hard many
nosoft
Worms have long, soft bodies...
soft scales.
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7■ Types of Biomes
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4
Grasslands
Deserts
Coniferous Forest
Deciduous Forest
Tundra
Rainforests
They have heavy rainfall throughout theyear and 70% of the plants are trees.
Remember
A biome is a large area with a particular range of plants and animals that areadapted to survive in the climatic and geographic ecosystems within a biome.
1. Match the biomes with their characteristics.
2. Answer the questions.
• Which biomes receive the most rainfall?
• Which biomes receive the least rainfall?
They have a hot dry season and a warm wetseason. There is more tall grass than trees.
Temperatures are extreme and there is verylittle rainfall. They are the driest of all biomes.
Winters are long and cold and summers areshort. There is little rainfall. It is difficult forplants to grow.
They are the most populated of all biomes.They have a warm and cold season withmedium rainfall all year. The soil is fertile.
They have a cool climate with medium rainfall.The plant life is mainly evergreen trees.
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8 ■ Survival in a Biome
ReinforcementWorksheet
5
Name Date
Remember
In order for animals to survive they must gain energy by eating other livingthings in the biome. This feeding relationship is known as a food chain.
1. Label and draw to complete the diagram.
primary consumer producer carnivore
secondary consumer herbivore
eagle
squirrel
tree – acorns
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9■ Reacting to the Environment
ReinforcementName Date
Worksheet
6
1. Number the sequence. Write the sentences in the correct order.
Remember
Reacting is a process carried out by the sense organs, the nervoussystem and the musculoskeletal system.
The eyes receive theimage of the traffic light.
The legs move and thegirl crosses the street.
The brain transmitsorders to the legs.
The brain decides to cross the street.
The optic nerve sendsinformation to the brain.
1
5
4
3
2
1 The eyes receive the image of the traffic light.
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10 ■ The Musculoskeletal System
ReinforcementName Date
Worksheet
7
Remember
The musculoskeletal system is made up of the skeleton and muscles.Bones are connected at joints. Muscles move bones.
1. Use the words to complete the word map.
2. Look and answer the questions.
the skeleton muscles the muscular system tendons bones
is made up of is made up of
joined by
The musculoskeletal system
is made up of
• What muscle contracts
when we bend our arm? .• What muscle relaxes
when we bend our arm? .• What muscle contracts
when we stretch our arm? .• What muscle relaxes
when we stretch our arm? .
biceps
triceps
biceps
triceps
The skeleton
BicepsSCIE
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■ Nutrition
ReinforcementName Date
Worksheet
8
Remember
Nutrition is the process of ingesting food, extracting important nutrientsand expelling waste. Nutrition includes the digestive process, breathing,circulation and excretion.
1. Which processes are part of nutrition? Decide and write.
• Watching TV. • The heart beating.• Eating an apple. • Having children.• Breathing. • Digesting food.
2. Match the column with the pictures.
Group 4. Fruit and vegetables
Give us energy
Group 3. Rice,pasta, bread,sugar and cakes
Have nutrients to help us grow
Group 2. Meat,fish and eggs
Provide nutrients,like calcium
Group 5. Oil and butter
Provide vitamins
Group 1. Milk anddairy products
Give us energy
Eating an apple.
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12 ■ The Digestive Process
ReinforcementName Date
Worksheet
9
1. Make correct sentences. Circle and write.
Remember
The digestive process enables us to obtain nutrients from the food we eat.There are two phases: digestion and absorption.
• Digestion begins in the mouth , where food is chewed and mixed with saliva.
In the stomach, food is mixed with gastric juices and forms a thick liquid.
This liquid passes into the small intestine.
•Nutrition
ends in the small intestine and then absorption
takes place.
•Nutrients
form in the large intestine and are passed out through the anus.
stomach
mouth
gastric juices
saliva
Digestion
Feces pancreas.
nutrition
Digestion begins in the mouth.
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13■ The Digestive, Respiratory, Circulatory and Excretory Systems
systemsystem
system
ReinforcementName Date
Worksheet
10
Remember
Nutrition includes the digestive, respiratory, circulatory, and excretorysystems.
1. Label and complete the diagrams.
esophagus stomach liver pancreas intestine anus heartblood vessel lung trachea bronchi kidney bladder
system
esophagus
Digestive
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