To stay healthy, the human body needs a mix of proper nutrition, clean water, fresh air, rest, exercise and cleanliness. Nutrients support body functions, water keeps us hydrated and air provides oxygen. Physical activity strengthens muscles and immunity, while hygiene protects against germs. TheseRead more
To stay healthy, the human body needs a mix of proper nutrition, clean water, fresh air, rest, exercise and cleanliness. Nutrients support body functions, water keeps us hydrated and air provides oxygen. Physical activity strengthens muscles and immunity, while hygiene protects against germs. These elements work together to keep the body strong, active and disease-free. Understanding this balance is important for both everyday health and long-term well-being.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
Medicines help by killing or stopping harmful bacteria and viruses that cause infections. Antibiotics, antivirals and antifungal drugs treat various illnesses. Vaccines prepare the body’s immune system to recognize and destroy harmful microbes before they can cause sickness. They provide long-term pRead more
Medicines help by killing or stopping harmful bacteria and viruses that cause infections. Antibiotics, antivirals and antifungal drugs treat various illnesses. Vaccines prepare the body’s immune system to recognize and destroy harmful microbes before they can cause sickness. They provide long-term protection and prevent serious outbreaks. Together, medicines and vaccines form a powerful defense system that helps humans stay healthy, recover quickly and avoid dangerous diseases.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
The heating effect of electric current is the principle behind many household devices. When electric current flows through a resistor, it produces heat. This is used in devices like electric irons, room heaters, toasters, ovens and geysers. The controlled use of this heat helps in cooking food, heatRead more
The heating effect of electric current is the principle behind many household devices. When electric current flows through a resistor, it produces heat. This is used in devices like electric irons, room heaters, toasters, ovens and geysers. The controlled use of this heat helps in cooking food, heating water, warming rooms and drying clothes. It’s a practical example of how scientific principles are used in daily life to make tasks easier and more efficient.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
When electric current flows through a wire, it produces a magnetic field. This magnetic effect is used in machines to create movement. Electric motors in fans, washing machines and vehicles use this principle. It also works in loudspeakers, buzzers and transformers. The magnetic field interacts withRead more
When electric current flows through a wire, it produces a magnetic field. This magnetic effect is used in machines to create movement. Electric motors in fans, washing machines and vehicles use this principle. It also works in loudspeakers, buzzers and transformers. The magnetic field interacts with parts inside the machine to generate motion or sound. This connection between electricity and magnetism helps power many devices that are essential in everyday life and industry.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
Electricity is closely related to forces because it can create motion through electric and magnetic effects. For example, when electric current flows through a wire, it creates a magnetic field that can push or pull objects. This force is used in motors, fans and magnets. Studying how electricity prRead more
Electricity is closely related to forces because it can create motion through electric and magnetic effects. For example, when electric current flows through a wire, it creates a magnetic field that can push or pull objects. This force is used in motors, fans and magnets. Studying how electricity produces heat and magnetic force helps scientists understand how objects move, how machines operate and how energy is converted into useful work. It links directly to the broader study of forces.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
What are the key elements that help the human body stay healthy?
To stay healthy, the human body needs a mix of proper nutrition, clean water, fresh air, rest, exercise and cleanliness. Nutrients support body functions, water keeps us hydrated and air provides oxygen. Physical activity strengthens muscles and immunity, while hygiene protects against germs. TheseRead more
To stay healthy, the human body needs a mix of proper nutrition, clean water, fresh air, rest, exercise and cleanliness. Nutrients support body functions, water keeps us hydrated and air provides oxygen. Physical activity strengthens muscles and immunity, while hygiene protects against germs. These elements work together to keep the body strong, active and disease-free. Understanding this balance is important for both everyday health and long-term well-being.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessWhat role do medicines and vaccines play in fighting infections?
Medicines help by killing or stopping harmful bacteria and viruses that cause infections. Antibiotics, antivirals and antifungal drugs treat various illnesses. Vaccines prepare the body’s immune system to recognize and destroy harmful microbes before they can cause sickness. They provide long-term pRead more
Medicines help by killing or stopping harmful bacteria and viruses that cause infections. Antibiotics, antivirals and antifungal drugs treat various illnesses. Vaccines prepare the body’s immune system to recognize and destroy harmful microbes before they can cause sickness. They provide long-term protection and prevent serious outbreaks. Together, medicines and vaccines form a powerful defense system that helps humans stay healthy, recover quickly and avoid dangerous diseases.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessHow does the heating effect of electric current help us?
The heating effect of electric current is the principle behind many household devices. When electric current flows through a resistor, it produces heat. This is used in devices like electric irons, room heaters, toasters, ovens and geysers. The controlled use of this heat helps in cooking food, heatRead more
The heating effect of electric current is the principle behind many household devices. When electric current flows through a resistor, it produces heat. This is used in devices like electric irons, room heaters, toasters, ovens and geysers. The controlled use of this heat helps in cooking food, heating water, warming rooms and drying clothes. It’s a practical example of how scientific principles are used in daily life to make tasks easier and more efficient.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessHow does the magnetic effect of electric current help machines work?
When electric current flows through a wire, it produces a magnetic field. This magnetic effect is used in machines to create movement. Electric motors in fans, washing machines and vehicles use this principle. It also works in loudspeakers, buzzers and transformers. The magnetic field interacts withRead more
When electric current flows through a wire, it produces a magnetic field. This magnetic effect is used in machines to create movement. Electric motors in fans, washing machines and vehicles use this principle. It also works in loudspeakers, buzzers and transformers. The magnetic field interacts with parts inside the machine to generate motion or sound. This connection between electricity and magnetism helps power many devices that are essential in everyday life and industry.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessWhat is the connection between electricity and the study of forces?
Electricity is closely related to forces because it can create motion through electric and magnetic effects. For example, when electric current flows through a wire, it creates a magnetic field that can push or pull objects. This force is used in motors, fans and magnets. Studying how electricity prRead more
Electricity is closely related to forces because it can create motion through electric and magnetic effects. For example, when electric current flows through a wire, it creates a magnetic field that can push or pull objects. This force is used in motors, fans and magnets. Studying how electricity produces heat and magnetic force helps scientists understand how objects move, how machines operate and how energy is converted into useful work. It links directly to the broader study of forces.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See less