Objects Around Us

Topics

Food: Where Does It Come From?
- Food Variety
- Ingredients of Food
- Plant Sources
- Plant as Food (Plant Product)
- Animal Sources
- Animal Products used as Food
- Classification of Animal
- Food and Its Types
Science
Components of Food
- Food and Its Types
- What Do Different Food Items Contain?
- Test for Carbohydrates/Starch
- Test for Protein
- Test for Fats
- Nutrients and Nutrition
- Component of Food
- Carbohydrates
- Fats (Lipids)
- Proteins
- Vitamin and Minerals
- Component of Food: Minerals
- A Balanced Diet
- Obesity and Its Prevention
- Deficiency Diseases
- Diseases Due to Deficiency of Vitamin
- Diseases Due to Deficiency of Minerals
Sorting Materials into Groups
Fibre to Fabric
- Fabrics
- Fibre
- Plant Fibres: Cotton
- Plant Fibre: Jute Fibre
- Fibre to Yarn to Fabric
- History of Clothing Material
Separation of Substances
- Mixture
- Types of Mixtures
- Separation of Mixtures
- Methods of Separation
- Handpicking Method
- Threshing Method
- Winnowing Method
- Sieving Method
- Sedimentation Method
- Decantation Method
- Filtration Method
- Evaporation Method
- Simple Distillation Method
- Solution
- Water - a Universal Solvent
- Components of Solutions
- Different Types of Solutions
- Saturated Solutions
Getting to Know Plants
- Plant Forms and Functions
- Classification of Plants
- Stem
- The Structure of a Plant
- Photosynthesis: Food-Making Process in Plants
- Process of Photosynthesis
- Transpiration
- Root
- Types of Root
- Flower
- Structure of a Bisexual Flower
Body Movements
- Human Body and Its Movements
- Joints and Its Classification
- Human Skeleton System
- The Human Skeleton: Appendicular Skeleton
- The Human Skeleton: Axial Skeleton
- Bone and Its Types
- Muscles and Its Types
- Muscular System
- Movement in Different Animals
Changes Around Us
- Changes-Physical and Chemical
- Classification of Change: Reversible and Irreversible Changes
- Classification of Change: Desirable and Undesirable Changes
- Classification of Change: Natural and Man-made Changes
- Classification of Change: Periodic and Non-periodic Changes
- Classification of Change: Slow and Fast Changes
- Classification of Change: Physical Changes
- Chemical Reaction
- Effect of Heat on Solid, Liquid and Gases
The Living Organisms - Characteristics and Habitats
Motion and Measurement of Distances
- Story of Transport
- Measurements
- Unit and Its Types
- Unit Systems
- International System of Units (Si System)
- Devices for Measuring Length
- Measuring the Length of a Curved Line
- Motion and Rest
- Types of Motion
- Multiple Motion
Light, Shadows and Reflections
Electricity and Circuits
- Electricity
- Electric cell
- A Bulb Connected to an Electric Cell
- Electric Circuit
- Electric Switch
- Conductors and Insulators
Fun with Magnets
- Magnet
- Uses of Magnets
- Discovery of Magnets
- Classification of Magnets
- Magnetic and Non-magnetic Materials
- Magnetic Pole
- Finding Directions with a Magnet
- Making a Magnet
- Magnetic Properties
- Demagnetization of a Magnet
Air Around Us
- Air Around Us
- Composition and Components of Air
- Importance of Air
- How is the Oxygen in the Atmosphere Replaced?
Water
- Water: Our Lifeline
- Importance of Water
- Where Do We Get Water From?
- Biogeochemical Cycle
- Water Cycle
- Drought (Famine)
- Water Management (Conservation of Water)
- Fresh Water Management
Garbage In, Garbage Out
- Waste and Its Categories
- Disposal of Waste Water
- Solid Waste Management
- Vermicomposting
- Waste Separation Exercise
- Recycling of Paper
- Man-made Fibre: Plastics
- Harmful Effects of Plastics
- Recycling of Plastic

Substances and Objects

Objects have a definite shape and are made of parts that are put together in a certain way. Substances are the materials used to make objects, such as wood, metal, or plastic.

Example:

A table (object) is made from wood (substance).
A spoon (object) is made from metal (substance).

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Related QuestionsVIEW ALL [9]

Give scientific reason.

We must observe the economy in the use of materials.

Take a small cotton ball and place it in a tumbler/ bowl filled with water. Observe it for atleast 10 minutes. Will it float or sink in water and why?

On a bright sunny day, Shikha was playing hide and seek with her brother. She hid herself behind a glass door. Do you think her brother will be able to locate her. If yes, why? If no, why not?

Pick five objects from the word box given as Figure which are opaque and would sink in water.

O	S	T	P	L	E
A	T	L	E	E	R
C	O	I	N	A	A
O	N	K	C	F	S
A	E	E	I	W	E
L	L	Y	L	R	R

An iron nail is kept in each of the following liquids. In which case would it lose its shine and appear dull?

Mixtures of red chilli powder in water, butter in water, petrol in water, and honey in water were given to Radha, Sudha, Sofia and Raveena, respectively. Whose mixture is in solution form?

Match the objects given below with the materials from which they could be made. Remember, an object could be made from more than one material and a given material could be used for making many objects.

Objects	Materials
Book	Glass
Tumbler	Wood
Chair	Paper
Toy	Leather
Shoes	Plastics

Which among the following are commonly used for making a safety pin?

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Topics

Food: Where Does It Come From?

Science

Components of Food

Sorting Materials into Groups

Fibre to Fabric

Separation of Substances

Getting to Know Plants

Body Movements

Changes Around Us

The Living Organisms - Characteristics and Habitats

Motion and Measurement of Distances

Light, Shadows and Reflections

Electricity and Circuits

Fun with Magnets

Air Around Us

Water

Garbage In, Garbage Out

Substances and Objects

Related QuestionsVIEW ALL [9]

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