# CREST Olympiads - CSO PDF Sample Papers for Class 9

Resources:

Class 9 sample paper & practice questions for CREST Science Olympiad (CSO) level 1 are given below. Syllabus for level 1 is also mentioned for these exams. You can refer these sample paper & quiz for preparing for the CSO exam. Q.1 Q.2 Q.3 Q.4 Q.5 Q.6 Q.7 Q.8 Q.9 Q.10
 Q.1 What happens to a substance when the space between its particles is decreased? a) The volume of the substance increases. b) The volume of the substance decreases. c) The mass of the substance increases. d) The mass of the substance decreases.
 Q.2 What is the next number in the following sequence? 2, 5, 10, 17, 26, ? a) 40 b) 37 c) 32 d) 30
 Q.3 If the resultant of applied forces is equal to zero, then what force does it resemble? a) Unbalanced force b) Balanced force c) Both a and b d) None of the above
 Q.4 What is the minimum distance between two consecutive crest called? a) Amplitude b) Wavelength c) Frequency d) Wave pulse
 Q.5 What happens when salt dissolved in water is heated? a) There is an increase in the boiling point. b) There is no change in the boiling point. c) There is a decrease in the boiling point. d) All of the above
 Q.6 Which of the following technique is used to separate dirt particles from clothes in a washing machine? a) Magnetic separation b) Filtration c) Evaporation d) Centrifugation
 Q.7 Which of the following will diffuse faster than the others? a) Water b) Petrol c) Perfume d) Milk
 Q.8 Fill in the blank: The atom becomes ____________, when it gains an electron. a) negatively charged b) positively charged c) remains neutral d) Can't say
 Q.9 A student finds that as he blows air into a balloon, it becomes bigger. What inference can he make from this? a) Air is a gas b) Air has mass c) Air is matter d) Air occupies space
 Q.10 The rectangular components of a force are applied to move a body. One of the components is 30 N. What should be the other component to obtain a resultant force of 50 N? a) 30 N b) 40 N c) 50 N d) 90 N Sample PDF of CREST Olympiads - CREST Science Olympiad (CSO) PDF Sample Papers for Class 9: