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
Milk turns sour when kept outside for a long time. What kind of change does it depict?
Q.2
Which of the following pairs are wrongly classified? M: Nitrogen - Takes up four-fifths of the air space N: Oxygen - End product of photosynthesis O: Carbon dioxide - Production by factories P: Smoke - Produced by plants
Q.3
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.4
Which of the following statement is INCORRECT related to nutrients present in food? A. There is no loss in vitamins if fruits and vegetables are washed after peeling or cutting them. B. The skins of many fruits are rich in many nutrients. C. Cooking kills most of the nutrients present in foods. D. Rice and pulses will lose their vitamins and minerals if they are repeatedly washed.
Q.5
Which among the following pairs are not irreversible changes? 1. Dissolution 2. Rusted iron nails 3. Baking a potato 4. Freezing water
Q.6
Identify the missing parts P and Q correctly in the given flow chart: Fiber → P → Q
Q.7
Read the statements given below and select the correct option: Statement 1 - When the size of the foreign particle is too small to be picked by hand or when the quantity is too large, sieving is used for separating substances. Statement 2 - Separating bran from flour is done by sieving.
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 energy conversions that take place in a torch: 1. Chemical → electrical → light 2. Electrical → chemical → light 3. Electrical → heat → chemical 4. Light → chemical → electrical
Q.10
Which of the following method will Sarah use at home to separate husks, small stones and earthy materials from a bowl full of pulses?
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
a
Q.2
c
Q.3
d
Q.4
a
Q.5
c
Q.6
a
Q.7
c
Q.8
b
Q.9
a
Q.10
b
Answers to Sample Questions from CREST Olympiads:
Q.1 : a | Q.2 : c | Q.3 : d | Q.4 : a | Q.5 : c | Q.6 : a | Q.7 : c | Q.8 : b | Q.9 : a | Q.10 : b
