Class 7th Science
Biology
![Food: Where Does It Come From?](https://gyanchakra.co.in/wp-content/uploads/2023/02/Food.png)
Nutrition in Plants
Nutrition in Plants : The nutrients present in the food help living organisms to build their body and to grow and repair damaged parts of the body.
![Components of Food](https://gyanchakra.co.in/wp-content/uploads/2023/02/diet.png)
Nutrition in Animals
Nutrition in Animals : Animals get their food from plants, either directly by eating plants or indirectly by eating animals that eat plants.
![Fibre to Fabric](https://gyanchakra.co.in/wp-content/uploads/2023/02/fabric.png)
Fibre to Fabric
Fibre to Fabric : Selective breeding: This is a process of selecting parents so that the offspring can inherit selected set of special characters.
![Sorting Materials and Groups](https://gyanchakra.co.in/wp-content/uploads/2023/02/learning.png)
Weather, Climate and Adaptations of Animals to Climate
Weather : The weather of a place is the day-to-day conditions of the atmosphere with respect to the temperature, humidity, rainfall, wind speed etc
![Separation of Substances](https://gyanchakra.co.in/wp-content/uploads/2023/02/separate.png)
Soil
Soil : A process termed weathering results in the formation of soil. Weathering is the disintegration and decomposition of rocks and minerals over a period.
![Changes Around Us](https://gyanchakra.co.in/wp-content/uploads/2023/02/renewable.png)
Respiration in Organisms
Respiration in Organisms : A process in living organisms involving the production of energy, typically with the intake of oxygen and release of carbon dioxide
![Getting to Know Plants](https://gyanchakra.co.in/wp-content/uploads/2023/02/plant.png)
Transportation in Animals and Plants
Transportation in Animals and Plants : The circulatory system is defined as the system which moves blood, oxygen and nutrients through the body.
![Body Movement](https://gyanchakra.co.in/wp-content/uploads/2023/02/therapy.png)
Reproduction in Plants
Reproduction in Plants : The production of new individuals from parents is known as reproduction. Plants reproduce sexually as well as asexually.
![The Living Organisms and Their Surroundings](https://gyanchakra.co.in/wp-content/uploads/2023/02/liver.png)
Water: A Precious Resource
Water: A Precious Resource : Physical processes such as evaporation, condensation, precipitation and infiltration occur continuously one after the other
- Mock Test
- Sectional Test
- Advance Test
- Previous Year Test
![](https://gyanchakra.co.in/wp-content/uploads/2023/02/20827908_Stressed_millennial_guy_studying_before_college_exams__1_-removebg-preview.png)
![Motion and Measurement of Distances](https://gyanchakra.co.in/wp-content/uploads/2023/02/animation.png)
Wastewater Story
Wastewater Story : Water is used for a variety of purposes in our everyday life. When used, this water becomes adulterated and is called waste water.
Chemistry
![Food: Where Does It Come From?](https://gyanchakra.co.in/wp-content/uploads/2023/02/Food.png)
Acids, Bases and Salts
Acids, Bases and Salts : An indicator is a substance which illustrates the presence of a chemical substance by changing colour.
![Components of Food](https://gyanchakra.co.in/wp-content/uploads/2023/02/diet.png)
Physical and Chemical Changes
Physical and Chemical Changes : In a physical change, the changes are temporary and can be easily reversed to form the original substance.
Physic
![Food: Where Does It Come From?](https://gyanchakra.co.in/wp-content/uploads/2023/02/Food.png)
Heat
Heat : Heat is a form of energy. We can feel heat by the sense of touch. This form of energy can be transferred between two objects with varying temperatures.
![Components of Food](https://gyanchakra.co.in/wp-content/uploads/2023/02/diet.png)
Winds, Storms and Cyclones
Winds, Storms and Cyclones : When we pour some fresh water over a heated can which contains boiling water, then it is observed that shape can gets distorted.
![Fibre to Fabric](https://gyanchakra.co.in/wp-content/uploads/2023/02/fabric.png)
Motion and Time
Motion and Time : Motion refers to the change in the position of an object with respect to time. There are two states of an object:
![Food: Where Does It Come From?](https://gyanchakra.co.in/wp-content/uploads/2023/02/Food.png)
Electric Current and its Effects
Electric Current and its Effects : The flow of charges through a circuit is called electric current. The SI unit of electric current is ampere and donated by A.
![Components of Food](https://gyanchakra.co.in/wp-content/uploads/2023/02/diet.png)
Light
Light : Light is defined as a radiation which is visible to the human eye. The natural source of light on the Earth is the Sun.