Tiwari Academy Discussion

Bahgvanti

Asked: November 24, 2020In: Class 7 Science

Take three test-tubes. Fill each of each with water. Label them A, B and C. Keep a snail in test-tube A, a water plant in test-tube B and in C, keep snail and plant both. Which test-tube would have the highest concentration of CO₂?

NCERT Solutions for Class 7 Science Chapter 10 Important NCERT Questions 7th Chapter 10 Gravitation NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 4

Bahgvanti

Asked: November 24, 2020In: Class 7 Science

Why do we often sneeze when we inhale a lot of dust-laden air?

NCERT Solutions for Class 7 Science Chapter 10 Important NCERT Questions 7th Chapter 10 Gravitation NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 3

Bahgvanti

Asked: November 24, 2020In: Class 7 Science

List the similarities and differences between aerobic and anaerobic respiration.

NCERT Solutions for Class 7 Science Chapter 10 Important NCERT Questions 7th Chapter 10 Gravitation NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 2

Bahgvanti

Asked: November 24, 2020In: Class 7 Science

Why does an athlete breathe faster and deeper than usual after finishing the race?

NCERT Solutions for Class 7 Science Chapter 10 Important NCERT Questions 7th Chapter 10 Gravitation NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 1

Rudra Rustagi

Asked: October 28, 2020In: Class 9

What do you mean by acceleration due to gravity?

NCERT Solutions for Class 9 Science Chapter 10 Important NCERT Questions Gravitation NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-136 Questions No-2

Rudra Rustagi

Asked: October 28, 2020In: Class 9

What are the differences between the mass of an object and its weight?

NCERT Solutions for Class 9 Science Chapter 10 Important NCERT Questions Gravitation NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-138 Questions No-1

Rudra Rustagi

Asked: October 28, 2020In: Class 9

Why is the weight of an object on the moon one-sixth its weight on the earth?

NCERT Solutions for Class 9 Science Chapter 10 Important NCERT Questions Gravitation NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-138 Questions No-2

Rudra Rustagi

Asked: October 28, 2020In: Class 9

Why is it difficult to hold a school bag having a strap made of a thin and strong string?

NCERT Solutions for Class 9 Science Chapter 10 Important NCERT Questions Gravitation NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-138 Questions No-1

Rudra Rustagi

Asked: October 28, 2020In: Class 9

What do you mean by buoyancy?

NCERT Solutions for Class 9 Science Chapter 10 Important NCERT Questions Gravitation NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-138 Questions No-2

Rudra Rustagi

Asked: October 28, 2020In: Class 9

Why does an object float or sink when placed on the surface of water?

NCERT Solutions for Class 9 Science Chapter 10 Important NCERT Questions Gravitation NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-138 Questions No-3

Take three test-tubes. Fill each of each with water. Label them A, B and C. Keep a snail in test-tube A, a water plant in test-tube B and in C, keep snail and plant both. Which test-tube would have the highest concentration of CO₂?

Why do we often sneeze when we inhale a lot of dust-laden air?

List the similarities and differences between aerobic and anaerobic respiration.

Why does an athlete breathe faster and deeper than usual after finishing the race?

What do you mean by acceleration due to gravity?

What are the differences between the mass of an object and its weight?

Why is the weight of an object on the moon one-sixth its weight on the earth?

Why is it difficult to hold a school bag having a strap made of a thin and strong string?

What do you mean by buoyancy?

Why does an object float or sink when placed on the surface of water?

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