8 grade science

- This is a representative list of topics covered in our Grade 8 Science program - however all programs will be customized for the individual studen..

Question: SI unit of acceleration is __________. 1. 2. 3. 4. Answer: ..

Question: What will happen to the force of gravitation between two objects A and B if the distance between them is reduced to half? Answer: Let d be the distance between the two objects A and B of mass m 1 and m 2 respectively, The force between A and B when distance between them is..

Question: The structural formula of 2-butene is _________. 1. CH 3 - CH = C = CH 2 2. 3. CH 3 = CH - CH 2 - CH 3 4. CH 3 - CH = CH - CH 3 Answer: ..

Question: A stone is dropped from a cliff. Its speed after it has fallen 100 m is 1. 9.8 m/s 2. 44.2 m/s 3. 19.6 m/s 4. 98 m/s Answer: ..

Calculate the gram molecules present in 45 g of wat..

Question: Give some example of class amphibia. Answer: Rana (frog), Bufo (toad), Hyla (tree frog) and Necturus are some examples of class amphibia..

Question: Why does a passenger standing in a bus move forward when the brakes are applied? Answer: A passenger standing in a bus move forward when the brakes are applied due to inertia of motion..

Question: Why is variation not possible in mitotic division of cells? Answer: In mitosis, the cell divides into two (each having the same number of cells as the mother cell) giving rise to two identical daughter cells. Hence, variation is not possible..

Question: At a certain organisation in India cross breeds such as Karan swiss, karan fries etc. have been developed. Which organisation is it? Where is it located? Answer: National Dairy Research Institute at Karnal, Haryana..