My Living World: Class 4 Science (DAV)
The DAV Class 4 Science book, My Living World, made easy: your body, plants and animals. Each lesson follows your textbook, with pictures, activities and questions.
My Body: Where Does Your Food Go?
Chapter 1
Chapter 1 · Start here
My Body: Where Does Your Food Go?
Follow a bite of food through your body, learn about your teeth, and find out how to eat well and keep food clean.
Sprint 1
Organs Inside Your Body
The parts of your body you can see and can't see, and how they work together to digest food.
Sprint 2
Your Teeth
You get two sets of teeth. Four kinds of teeth do four different jobs.
Sprint 3
Taking Care Of Teeth
Seven ways to keep your teeth healthy, and the right way to brush.
Sprint 4
Tongue And Saliva
Your tongue tastes and moves food, and saliva starts to change it.
Sprint 5
Stomach And Small Intestine
Food is partly digested in the stomach and finished in the small intestine.
Sprint 6
Large Intestine And Eating Habits
The large intestine takes out water and removes waste. Plus good habits for eating.
Sprint 7
Fresh And Clean Food
Why we wash fruits and vegetables, and why we don't eat food that is cut, left open or stale.
Sprint 8
Review: My Body
Answer the chapter's questions, and remember the whole path of food.
Roots Under The Ground
Chapter 2
Chapter 2 · Start here
Roots Under The Ground
The part of a plant you can't see: what roots do, and why plants need them.
Sprint 9
Parts Of A Plant
Recall the plant parts from the previous class and place the root among them as the part this chapter is about.
Sprint 10
Two Types Of Roots
Tell a tap root from a fibrous root by its shape, and know which plants have which.
Sprint 11
What Roots Do
Know the two main functions of every root, and meet the first of the special ones.
Sprint 12
Roots With Special Jobs
Meet the roots that hold a plant up from above the ground or come out of the mud to breathe, and learn the name the chapter gives them all.
Sprint 13
Chapter Review: Plants
Answer the chapter's written questions and hold the two root types and the special roots together.
Why Plants Make Flowers
Chapter 3
Chapter 3 · Start here
Why Plants Make Flowers
Flowers are not just pretty, and fruits are not just sweet. Find out what they are really for.
Sprint 14
Flowers And Buds
See that flowers vary in colour, scent, shape and size, and that every one of them started as a bud.
Sprint 15
Flowers In Every Season
Know which flowers the chapter names for summer and for winter, and what the term seasonal means.
Sprint 16
What We Use Flowers For
Move from flowers as things to look at to flowers as things we smell, eat, take as medicine, dye cloth with and decorate with.
Sprint 17
Fruits And Their Seeds
Know what a fruit holds and does, sort fruits by how many seeds they carry, and name the fruits of each season.
Sprint 18
More Ways We Use Fruits
Recognise fruits in the forms we do not call fruit: dried, cooked as vegetables, and made into pickles and jams.
Sprint 19
Chapter Review: Flowers And Fruits
Answer the chapter's written questions and hold the uses of flowers and fruits together.
Plants Live Everywhere
Chapter 4
Chapter 4 · Start here
Plants Live Everywhere
How plants live in snow, in desert sand and at the bottom of a pond.
Sprint 20
Where Plants Grow
Sort plants by the place they grow in, and learn the word for the ones that grow on land.
Sprint 21
Trees Of Hills And Plains
Tell hill trees from plains trees by shape and leaf, and know why the hill shape works where it does.
Sprint 22
Plants Of Hot And Marshy Places
Know what evergreen means in this chapter, and why a plant standing in mud needs roots above the water.
Sprint 23
Plants Of The Desert
See how a cactus solves the water problem, and hold all five land habitats together before moving to water.
Sprint 24
Plants That Live In Water
Sort water plants three ways: floating freely, fixed to the pond bed, and living fully underwater.
Sprint 25
How Farmers Grow Plants
Follow a field from ploughing to crop, and know why weeds are pulled out of it.
Sprint 26
Chapter Review: Plants Around Us
Hold the eight plant groups against one another and answer the chapter's written questions.
Why Birds Have No Teeth
Chapter 5
Chapter 5 · Start here
Why Birds Have No Teeth
Every bird has a beak, and no two are the same. Find out how each beak suits what the bird eats.
Sprint 27
Birds And Their Food
Establish the chapter's one big rule: the shape of a bird's beak and claws follows the food it eats.
Sprint 28
Beaks That Crush And Tear
Tell apart the three beak shapes for hard seeds, for nuts and fruits, and for flesh.
Sprint 29
Beaks That Chisel And Probe
Know the two beak shapes for reaching food that is hidden, inside wood and inside flowers or holes.
Sprint 30
Beaks That Sift And Stick
Finish the seven beak types with the two strangest, one that strains mud and one that is sticky inside.
Sprint 31
Claws And Birds Of Prey
Open the second half of the chapter: what a claw is, what it is used for, and the first of the six kinds.
Sprint 32
Perching And Swimming Birds
Compare feet built to grip a branch with feet built to push water.
Sprint 33
Wading And Scratching Birds
Compare feet that keep a bird on top of mud with feet that dig into the ground.
Sprint 34
Climbing Birds And Bird Watchers
Finish the six claw types and close the chapter with the idea that beak and foot both follow the bird's way of living.
Sprint 35
Chapter Review: Beaks And Claws
Hold seven beak types and six claw types apart, and answer the chapter's written questions.
The Largest Group Of Animals
Chapter 6
Chapter 6 · Start here
The Largest Group Of Animals
Insects, the biggest group of animals, and why they're worth a closer look.
Sprint 36
What Makes An Insect
Give the student a test they can apply: count the legs, look for the wings.
Sprint 37
Insects And Flowers
Show that an insect visiting a flower is doing the plant a service without meaning to.
Sprint 38
Insects That Help Us
Follow two insects from what they do in nature to what reaches our homes: honey and silk.
Sprint 39
Lac And Lady Bird Beetle
Finish the useful insects with one that makes a material and one that protects crops.
Sprint 40
Flies And Mosquitoes
Distinguish two ways an insect spreads disease: germs carried on the outside, and germs carried in blood.
Sprint 41
Fleas And Stinging Insects
Finish the harmful insects with the wingless biters and the ones that sting.
Sprint 42
Spiders And Staying Safe
Apply the six-leg test to the creature most often mistaken for an insect, then close with how we keep harmful insects away.
Sprint 43
Chapter Review: Insects
Hold the useful insects apart from the harmful ones and answer the chapter's written questions.