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
Identify the missing parts P and Q correctly in the given flow chart: Fiber → P → Q
Q.2
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.3
Given below are a set of phenomena: 1. Folding the paper into an aeroplane. 2. Melting of ice candy. 3. Wet clothes to dry clothes 4. Dissolving sugar in water
What is the basis of the given grouping?
Q.4
Which among the following pairs are not irreversible changes? 1. Dissolution 2. Rusted iron nails 3. Baking a potato 4. Freezing water
Q.5
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.6
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.7
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.8
Which of the following is a behavioural adaptation?
A cactus storing water in its stem
A bird migrating to warmer climates in winter
A plant developing thorns for protection
A fish having streamlined body shape
Q.9
Three students gave the following statements during a classroom discussion. This is what they said: David: The motion of a vibrating tuning fork exhibits periodic motion. Nora: The blades of the fan is said to move in a rotatory motion. James: The length of the footsteps is the same for different people. Which student(s) made incorrect statement(s)?
Q.10
Separating mixtures is a scientific process in which two or more substances are separated which were once together. Separating mixtures is useful in many different ways. Identify the example of the way by which mixtures are separated to remove undesirable components:
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
a
Q.2
a
Q.3
c
Q.4
c
Q.5
b
Q.6
b
Q.7
d
Q.8
b
Q.9
c
Q.10
a
Answers to Sample Questions from CREST Olympiads:
Q.1 : a | Q.2 : a | Q.3 : c | Q.4 : c | Q.5 : b | Q.6 : b | Q.7 : d | Q.8 : b | Q.9 : c | Q.10 : a
