# CREST Olympiads - CSO PDF Sample Papers for Class 8

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Class 8 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 Which of the following has the highest calorific value? a) Petrol b) Natural gas c) Coke d) Kerosene
 Q.2 Which of the following statements is correct? a) Repulsion is a sure test of friction b) Repulsion is a sure test of electrification. c) Repulsion is a sure test of conduction. d) Repulsion is a sure test of induction.
 Q.3 Spot the odd one out. a) Street b) Freeway c) Interstate d) Expressway
 Q.4 Which unit is used to measure the loudness of sound? a) m/s b) hertz c) Decibel d) Newton
 Q.5 Of the four choices, choose the picture that would go in the empty box so that the two bottom pictures are related in the same way as the top two are related. a) b) c) d)
 Q.6 On what factors does the frequency of sound depend in wind instruments? a) The length of the air column b) The breadth of the air column c) The force with which the wind is blown d) All of the above
 Q.7 Which of the following is a property of thermosetting plastic? a) Flame resistant b) Non-corrosive c) Mouldable d) All of the above
 Q.8 Cans used for storing food are electroplated. What is the material used for electroplating? a) Chrome onto tin b) Iron onto tin c) Tin onto iron d) Chrome onto iron
 Q.9 What happens when electric current is made to flow through a conductor? a) Some amount of electrical energy is converted into heat energy. b) Some amount of electrical energy is converted into mechanical energy. c) Some amount of mechanical energy is converted into electrical energy. d) Some amount of heat energy is converted into electrical energy.
 Q.10 Which of the following is called the master gland of the human body? a) Thyroid b) Adrenal c) Islets of langerhans d) Pituitary

Sample PDF of CREST Olympiads - CREST Science Olympiad (CSO) PDF Sample Papers for Class 8: