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 among the following pairs are not irreversible changes? 1. Dissolution 2. Rusted iron nails 3. Baking a potato 4. Freezing water
Q.2
State whether the following statements are true or false: 1. If the source of light is closer to the object, a smaller shadow is formed than when the source of light is far from the object. 2. The ground, walls of the rooms, a building, or other such surfaces act as a screen for the shadows you observe in everyday life.
Q.3
State whether the following statements are true or false: 1. Fog appearing on a cold winter morning is due to condensation.
2. Evaporation takes place from all open surfaces of water bodies so water vapour gets continuously added to the air.
3. A glass containing ice has water droplets around it. We can conclude that the glass of ice is not so strong hence water goes through the glass and settles outside.
Q.4
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.5
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.6
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.7
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.8
Identify the missing parts P and Q correctly in the given flow chart: Fiber → P → Q
Q.9
Two students were discussing the motion and this is what they said: Ana: The needle of a sewing machine undergoes circular motion. Jack: Motion of a body thrown upward at an angle is rectilinear. Choose the correct option regarding the above two statements:
Q.10
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 ________________.
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
c
Q.2
b
Q.3
b
Q.4
b
Q.5
c
Q.6
a
Q.7
b
Q.8
a
Q.9
d
Q.10
d
Answers to Sample Questions from CREST Olympiads:
Q.1 : c | Q.2 : b | Q.3 : b | Q.4 : b | Q.5 : c | Q.6 : a | Q.7 : b | Q.8 : a | Q.9 : d | Q.10 : d
