Help your child excel in the Science Olympiad with the Class 10 sample paper. It's a great tool to practise important topics and understand the exam structure.
Download the free PDF to help your child prepare confidently and perform their best.
>> Join CREST Olympiads WhatsApp Channel for latest updates. Sample PDF of CREST Science Olympiad for Class 10:
If your web browser doesn't have a PDF Plugin. Instead you can Click here to download the PDF
Section 1: Chemical Reactions and Equations, Acids, Bases and Salts, Metals and Non-metals, Carbon and its Compounds, Periodic Classification of Elements, Life Processes, Reproduction in Organisms, Heredity and Evolution, Light-Reflection and Refraction, Human Eye and Colourful World, Electricity, Magnetic Effects of Electric Current, Sources of Energy, Our Environment and its Management.
Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1
| Q.1 | Q.2 | Q.3 | Q.4 | Q.5 | Q.6 | Q.7 | Q.8 | Q.9 | Q.10 |
Q.1 |
Fill in the blank: When Ca(NO3)2 is heated, it gives CaO, NO2(g) and O2(g). The correct number of moles of Ca(NO3)2, CaO, NO2(g) and O2(g) are present in the reaction are respectively _________. |
|||
Q.2 |
Which of the following metals cannot be refined by electrolytic refining? (i) Au |
|||
Q.3 |
Label A, B, C and D in the following diagram: ![]() |
|||
Q.4 |
Identify the phenomenon by which a new set of the population is formed from the change in the frequency of some genes: |
|||
Q.5 |
Match the entries of Column I with those of Column II:
|
|||||||||||||||||||||||
Q.6 |
What happens when 1 mole of ethyne undergoes complete combustion? |
|||
Q.7 |
Why shouldn't we light a candle in a closed room with people? |
|||
Q.8 |
In the following question, an assertion and a reason are given. Choose the correct option: Assertion: According to Döbereiner's, a group of three similar elements arranged in their increasing atomic weights show that the atomic weight of middle is equal to the arithmetic mean of the other two elements. Reason: Atomic weight is equal to one-twelfth of the mass of a carbon atom. |
|||
Q.9 |
Refer to the given diagram and select the incorrect option regarding X and Y: ![]() |
|||
Q.10 |
If I1 is the first ionization potential, I2 is the second ionization potential, I3 is the third ionization potential and I4 is the fourth ionization potential of an element, then which of the following has the least value? |
|||
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1 : b | Q.2 : d | Q.3 : a | Q.4 : a | Q.5 : a | Q.6 : c | Q.7 : d | Q.8 : b | Q.9 : a | Q.10 : a