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
Plants do not move from one place to another in search of food and shelter. Some plants like Mimosa (Touch-me-not) show leaf movements, A sunflower always faces the sun.
From the above paragraph what can be concluded?
Q.3
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.4
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.5
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.6
Answer the following question and choose the correct option: In which direction does the bar magnet come to rest when suspended freely?
Q.7
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.8
State the reason why glass windows appear hazy if not wiped off properly:
Q.9
What is common between the following symptoms? Poor vision, loss of vision in darkness and sometimes complete loss of vision
Q.10
Emma inflated a balloon and kept it out in the sun. After some time, what will happen to the balloon?
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
a
Q.2
d
Q.3
d
Q.4
a
Q.5
b
Q.6
a
Q.7
d
Q.8
b
Q.9
a
Q.10
c
Answers to Sample Questions from CREST Olympiads:
Q.1 : a | Q.2 : d | Q.3 : d | Q.4 : a | Q.5 : b | Q.6 : a | Q.7 : d | Q.8 : b | Q.9 : a | Q.10 : c
