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
What is common between the following symptoms? Poor vision, loss of vision in darkness and sometimes complete loss of vision
Q.2
In the following question, an assertion and a reason are given. Choose the correct option: Assertion: Primary cells can be recharged but secondary cells cannot be recharged. Reason: Chemical reactions involved in primary cells are irreversible and in secondary cells, they are reversible.
Q.3
Molly tried to look at a toy bike with red light through an object but he could only see a faint red light, not the toy bike. Thus, we can conclude by saying that the object is a ________________.
Q.4
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.5
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.6
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.7
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.8
Given below is the picture of elbow joint and joint at the wrist. Identify the correct difference between these two joints:
Q.9
Which among the following pairs are not irreversible changes? 1. Dissolution 2. Rusted iron nails 3. Baking a potato 4. Freezing water
Q.10
Observe the figure below and complete the following sentence: This distance-time graph indicates that ______________________.
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
a
Q.2
d
Q.3
d
Q.4
b
Q.5
a
Q.6
b
Q.7
b
Q.8
d
Q.9
c
Q.10
a
Answers to Sample Questions from CREST Olympiads:
Q.1 : a | Q.2 : d | Q.3 : d | Q.4 : b | Q.5 : a | Q.6 : b | Q.7 : b | Q.8 : d | Q.9 : c | Q.10 : a
