Section 1: Motion and Measurement of Distances, Light, Shadows and Reflections, Electricity and Circuits, Fun with Magnets, Our Environment, Sorting and Separation of Materials, Changes Around Us, Living Organisms and Their Surroundings, Food and its Components, Fibre to Fabric.
Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1
Consider the following statements and choose the correct option: Statement 1: When separating a mixture of saltwater (solution), filtration method is employed to obtain pure salt from the solution. Statement 2: Fractional distillation is employed to separate a mixture of iron filings and powdered sugar (sucrose).
Q.2
Robert was discussing fibres and fabrics with his classmate Shane and this is what they said: Robert: Polyester burns slowly and does not shrink. It is always self-extinguishing. It leaves no ash but its black smoke and fume are hazardous. Shane: Silk is a protein fibre which burns slowly and curls away from the flame. It is self-extinguishing. It gives out little or no smoke and the fume has no hazard. Choose the correct option related to the two statements:
Q.3
Identify the missing parts P and Q correctly in the given flow chart: Fiber → P → Q
Q.4
What is common between the following symptoms? Poor vision, loss of vision in darkness and sometimes complete loss of vision
Q.5
Given below are two groups of materials namely group X and group Y: Group X - Iron, cobalt and nickel Group Y - Wood, rubber and stainless steel
On what basis have they been grouped?
Q.6
Given below are two groups of substances: Group 1: Hay, Cow dung, Fruit peel, Twigs Group 2: Glass, Batteries, Plastic box, Electronic waste On what basis has these two grouping been done?
Q.7
The picture below is that of a compass. Which of the following metal is used to make the needle of a compass? 1. Gold 2. Iron 3. Silver 4. Steel
Q.8
Given below are two groups of fibres namely I and II: Group I - Cotton, Jute, hemp Group II - Polyester, Nylon, Acrylic On what basis have these fibres been grouped?
Q.9
Spot the process that can be used to separate each of the following: 1. Cashews from mixture of almonds and cashewnuts 2. Sugar crystals from a mixture of red lentils 3. Small stones from a mixture of pulses. 4. Cut and cubed apples from a bowl of fruit salad.
Q.10
Given below are pictures of some objects. Identify the similarity between them:
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
d
Q.2
d
Q.3
a
Q.4
a
Q.5
b
Q.6
d
Q.7
b
Q.8
b
Q.9
b
Q.10
a
Answers to Sample Questions from CREST Olympiads:
Q.1 : d | Q.2 : d | Q.3 : a | Q.4 : a | Q.5 : b | Q.6 : d | Q.7 : b | Q.8 : b | Q.9 : b | Q.10 : a
