Meluhia (Class 7) Science annual plan (Sreeja)

June

Acids, Bases and Salts

  • Acids and Bases
  • Natural indicators around us
  • Neutralization

Students should know the following as a learning outcome
- acids, bases and neutral chemicals.
- different types of indicators to differentiate among them.
- idea about neutralisation reaction.
- natural indicators in the household.

Soil

  • Life in soil
  • Soil profile
  • Soil types
  • Properties of soil
  • Moisture in soil
  • Absorption of water by soil
  • Soil and crops

Students should know the following as a learning outcome
- the importance of soil for life on the earth
- different types of soil
- crops growing in different soils
- nutrients in the soil

July

Motion and Time

  • Speed
  • Measurement of time
  • Measurement of speed
  • Distance time graph

Students should know the following as a learning outcome
- the need for a frame of reference.
- difference between motion and rest.
- periodic motion in our life.
- need for a graph.

Nutrition in plants

  • Photosynthesis
  • Other modes of nutrition in Plants
  • Saprotrophs
  • How Nutrients are Replenished in the Soil

Students should know the following as a learning outcome
- importance of nutrition.
- photosynthesis.
- importance of photosynthesis in CO2 and O2 exchange in nature.
- difference between autotrophs and heterotrophs.
- nutrition in parasites and saprophytes.

August

Physical and Chemical Changes

  • Physical Changes
  • Chemical Changes

Students should know the following as a learning outcome
- what is physical change and chemical change
- what is rusting
- how to prevent metals from rusting
- what is crystallization

Nutrition in Animals

  • Digestion in Humans
  • Digestion in Grass Eating Animals
  • Feeding and Digestion in Amoeba

Students should know the following as a learning outcome
- why animals are called heterotrophs
- the digestive system: different parts of it, enzymes secreted, and how those enzymes help in the digestion of the nutrients.
- nutrition in grass eating animals.
- nutrition in amoeba.

September

Light

  • Rectilinear propagation
  • Reflection of light
  • Lateral inversion
  • Spherical mirrors
  • Images formed with lenses

Students should know the following as a learning outcome
- light as energy.
- rectilinear propagation of light.
- reflection.
- mirrors, lenses, prisms.
- real image, virtual image.
- magnification.
- component colors of white light.

Fibre to Fabric

  • Wool
  • Silk

Students should know the following as a learning outcome
- what are sources of fiber.
- what are the processes involved in the preparation of wool.
- life cycle of silkworm.
- silk extraction.
- silk fibers are proteins.

October

Electric Current and its Effects

  • Symbols of electric components
  • Heating effect of electric current
  • Magnetic effect of electric current
  • Electromagnet
  • Electric bell

Students should know the following as a learning outcome
- need for a circuit diagram.
- what is a battery.
- heating effect of electric current and its uses.
- how safety fuse works.
- what is electromagnets.

November

Heat

  • Hot and Cold
  • Measuring temperature
  • Laboratory thermometer
  • Transfer of heat
  • Kinds of clothes we wear in summer and winter

Students should know the following as a learning outcome
- heat and temperature.
- different thermometers.
- different ways of heat flow.
- conductors and insulators.
- why we use different clothes for different seasons.

Weather and Climate

  • Weather
  • Climate
  • Climate and adaptation

Students should know the following as a learning outcome
- what is weather.
- how does the sun affects the changes in weather.
- different climatic conditions on the earth.
- how the earth's climate is responsible for life on our earth.
- adaptations to climate.

December

Respiration in Organisms

  • Need for respiration.
  • Mechanism.
  • Breathing in animals.
  • Breathing underwater.

Students should know the following as a learning outcome
- what is respiration.
- what is aerobic respiration and anaerobic respiration.
- respiration in plants and animals.
- human respiratory system.

Januaury

Winds,Storms and Cyclones

  • Air exerts pressure.
  • Winds and air pressure.
  • Air expands on heating.
  • Thunderstorms and cyclones.
  • Destruction caused by cyclone.
  • Effective safety measures.

Students should know the following as a learning outcome
- atmosphere.
- properties of the gaseous state.
- different constituents of the air.
- air pressure and wind.
- how wind aids rainfall.
- how wind currents are generated due to uneven heating on the earth.
- what is a cyclone and how its formed.

Transportation in Animals and Plants

  • Circulatory system.
  • Excretion in animals.
  • Transport of substance in plants.

Students should know the following as a learning outcome
- what is circulatory system and what is it consists of.
- pumping action of heart.
- what blood consists of.
- what is excretory system.
- circulatory system in plants.
- why transpiration is called 'necessary evil' in plants.

February

Forests: Our Lifeline

  • Forest ecosystem.
  • Deforestation.
  • Reforestation.

Students should know the following as a learning outcome
- forest as an ecosystem.
- need for forests.
- deforestation - causes and effects.
- necessity of reforestation.

Waste water Story

  • What is sewage.
  • Waste water treatment plan(WWTP).
  • Better housekeeping practices.
  • Sanitation and diseases.
  • Alternative arrangements for sewage disposal.
  • Sanitation at public places.

Students should know the following as a learning outcome
- what is sewage and how it becomes pollutant.
- waste water treatment.
- how can we produce bio gas from sewage.

March

Reproduction in Plants

  • Modes of reproduction.
  • Sexual reproduction.
  • Fruits and seed formation.
  • Seed dispersal.

Students should know the following as a learning outcome
- what is reproduction.
- what are the two method of reproduction in plants.
- different parts of the flower.
- what is pollination.
- what is fertilization.
- what is seed dispersal.

Water: A Precious Resource

  • Forms of water.
  • Groundwater.
  • Depletion of water table.
  • Distribution of water.
  • Water management.
  • Effect of water scarcity on plants.

Students should know the following as a learning outcome
- different states of water.
- what is water cycle.
- how human interaction affects the water cycle.

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