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
Which of the following method will Sarah use at home to separate husks, small stones and earthy materials from a bowl full of pulses?
Q.2
Select the one from below that is different from the other three based on the types of motion: 1. Heart pumping blood 2. A racing car speeding on a race track 3. A rocking chair 4. Revolution of the moon around the earth
Q.3
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.4
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:
Q.5
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.6
Which of the following pairs are wrongly classified? P: Snakes and rats - Stay in burrows deep in the sand Q: Snow leopard - Long ears to hear movements of predators R: Mountain goats - Strong hooves for running up the rocky mountain slopes S: Frogs - Breathe through blowholes located on the upper parts of their heads
Q.7
How is toasting of bread different from melting of wax?
Q.8
What do the following suggest about all living things? 1. Flowers of some plants bloom only at night. 2. In some plants, flowers close after sunset. 3. In some plants like a mimosa, commonly known as ‘touch-me-not’, leaves close or fold when someone touches them. 4. A boy removes finger instantly after touching hot iron.
Q.9
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.10
While measuring the length of a pencil, the reading of the scale at one end was 4.2 cm and at the other end was 16.5 cm. What is the length of the pencil?
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
b
Q.2
b
Q.3
d
Q.4
a
Q.5
c
Q.6
c
Q.7
d
Q.8
b
Q.9
d
Q.10
c
Answers to Sample Questions from CREST Olympiads:
Q.1 : b | Q.2 : b | Q.3 : d | Q.4 : a | Q.5 : c | Q.6 : c | Q.7 : d | Q.8 : b | Q.9 : d | Q.10 : c
