Science Student Questions

Showing: All Grades / Science (1377 questions)

• by Anurag Patra · Class 8

  A wooden block of weight 10 N is placed on a table. If the area of the base of the block is 0.2 m², what is the pressure exerted by the block on the table?

  Science Force and Pressure thumb_up 0 people 9 answers check_circle 56%
• by AKSH PALIWAL · Class 9

  Value of Gravitational Acceleration = _______

  Science Gravitation thumb_up 0 people 11 answers check_circle 91%
• by AKSH PALIWAL · Class 9

  Force = _______

  Science Force and Laws of Motion thumb_up 0 people 9 answers check_circle 100%
• by AKSH PALIWAL · Class 9

  Sound is a type of ________ wave.

  Science Sound thumb_up 1 people 15 answers check_circle 67%
• by ISHIKA GARG · Class 1

  What is incorrect about octopus from the following options?

  Science Animals thumb_up 2 people 28 answers check_circle 61%
• by ISHIKA GARG · Class 1

  Which of the following will pollute the air around us

  Science Air thumb_up 0 people 26 answers check_circle 96%
• by ISHIKA GARG · Class 1

  What is the other name for zebra crossing?

  Science Safety Rules thumb_up 0 people 30 answers check_circle 73%
• by ISHIKA GARG · Class 1

  Birds are able to fly while we humans can't fly. This is because the birds have less weight than humans. Why is their weight less?

  Science Animals thumb_up 4 people 64 answers check_circle 64%
• by ADWIT KUMAR · Class 3

  Which animal has 4 legs and a beak like a duck ?

  Science Animals thumb_up 0 people 16 answers check_circle 69%
• by Anurag Patra · Class 8

  A rectangular wooden block has a weight of 40 N. Its dimensions are 20 cm x 10 cm x 5 cm. The block is placed on a table in two different ways: Position A: Lying on its widest face (20 cm x 10 cm). Position B: Standing on its narrowest face (10 cm x 5 cm). What is the higher of the two pressures exerted by the block on the table?

  Science Force and Pressure thumb_up 0 people 14 answers check_circle 50%
• by Content User · Class 9

  Consider the following statements and choose the correct option: (1) The mass of 15 moles of H2 is 30 g. (2) The number of moles present in 128 g of O2 is 4.

  Science Matter in Our Surroundings thumb_up 1 people 13 answers check_circle 38%
• by Content User · Class 2

  Which of the following options, when unscrambled, gives the names of the homes of a bird and a dog?

  Science Animals thumb_up 1 people 19 answers check_circle 68%
• by Content User · Class 4

  In research, it is proved that in old age one should take more quantity of proteins in the diet than any other group of food. Which of the following justifies this?

  Science Food and Digestion thumb_up 0 people 15 answers check_circle 67%
• by Content User · Class 5

  Read the following statements: (1) The muscles of the heart are voluntary muscles. (2) The ear lobes and lips do not have bones. (3) The spinal cord along with the brain forms the main part of the nervous system. (4) The elbow and knee have ball and socket joint. Which of the above statements is/are incorrect?

  Science Human Body and Health thumb_up 3 people 21 answers check_circle 48%
• by ARTI MEHTA · Class 6

  Consider the following statements: (1) The formation of dew is a physical change. (2) The explosion of bombs is an endothermic process. (3) Dissolution of common salt can be reversed by heating. Which of the above statements is/are correct?

  Science Changes Around Us thumb_up 1 people 16 answers check_circle 94%
• by Content User · Class 7

  An iron ball at 49 °C is dropped in a beaker containing water at 409.19 K. Identify the correct statement regarding the heat flow.

  Science Heat thumb_up 2 people 16 answers check_circle 69%
• by Content User · Class 8

  A sharp knife enables us to cut through things more easily because __________________.

  Science Force and Pressure thumb_up 0 people 11 answers check_circle 82%