Science Age 12 - 13

Food and Digestion

Importance of food

A good diet

The Digestive process

Role of digestive enzymes

Respiration

Respiration process

Respiratory system

Role of lungs

Difference between inhaled and exhaled air

Respiration in other plants and animals

Microbes and Disease

Micro organisms

Helpful microbes

Harmful microbes

Protection against diseases

Ecological Relationships

Animal classification

Plant classification

Interaction in a habitat

Adaptations

Size of population

Atoms and Elements

Elements

Charecteristics of elements

Materials we get from elements

Reaction between atoms of elements

Compounds and Mixtures

Compounds and elements

Chemical reactions of compounds

Mixtures

Separation of air

Rocks and Weathering

Composition of rocks

Weathering of rocks

Sediments and layers

The Rock cycle

Sedimentary rocks

Metamorphic rocks

Igneous rocks

Rock cycle

Magnets and Electromagnets

Properties of Magnets

How to make or stop magnetism

Magnetic field

Electricity and Magnetism

Electromagnets

Light

The Path of light

How does light help us to see things

Reflection of light

Formation of images

Bending of light and spectrum

Sound and Hearing

Types of sounds

Path of sound through Solid, Liquid and Gas

How do we hear sounds?

Noise

Heating and Cooling

Temperature

Heating and Cooling

Change of materials due to heating or cooling

Reduction of energy waste

Change of state