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
Two classmates were having a classroom discussion about the air around us. This is what they said:
Student 1: When we blow onto a hot cup of tea, the warm air from our mouth mixes with the tea, making it even warmer. Student 2: Without blowing air from our mouth we can cool the hot fried rice by spreading it over on a plate.
Choose the correct option related to the above two statements.
Q.2
Following is a list of few objects. Classify them correctly under the headings shown in the figure below: 1. Clear glass 2. Cement 3. Butter paper 4. Air 5. Frosted glass 6. Bag
Q.3
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.4
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.5
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.6
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?
Q.7
Consider the following statements and choose the correct option: Statement 1: When separating a mixture of saltwater (solution), filtration method is employed to obtain pure salt from the solution. Statement 2: Fractional distillation is employed to separate a mixture of iron filings and powdered sugar (sucrose).
Q.8
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.9
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.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
b
Q.2
d
Q.3
b
Q.4
c
Q.5
a
Q.6
c
Q.7
d
Q.8
d
Q.9
b
Q.10
a
Answers to Sample Questions from CREST Olympiads:
Q.1 : b | Q.2 : d | Q.3 : b | Q.4 : c | Q.5 : a | Q.6 : c | Q.7 : d | Q.8 : d | Q.9 : b | Q.10 : a
