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
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.2
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.3
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.4
Which of the following is/are NOT the characteristic feature(s) of the cotton ginning process?
Q.5
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
