5th EVS NCERT Chapter 7
- View Book
- Multiple Choice Questions
- Fill in the blanks
- Summary
- Question Answers
- DIY
- Real World Examples
Loading MCQs…
Score: 0
Loading Fill in the Blanks…
– What floats and sinks
Summary: Objects float or sink in water based on their density and shape.
– Floating and sinking experiments with various objects
Summary: Observing and analyzing the behavior of different objects in water to understand the concepts of buoyancy.
– Dissolving substances in water
Summary: Exploring the process of dissolving different substances in water and observing the outcomes.
– Density and buoyancy
Summary: Understanding how the density of an object affects its ability to float or sink in water.
– The Dead Sea and its high salt content
Summary: Learning about the extremely salty water of the Dead Sea and its unique properties.
– Dandi March and salt making
Summary: Understanding the historical significance of the Dandi March and the traditional method of salt production from sea water.
– Observational experiments with water
Summary: Engaging in hands-on experiments to observe and learn about the behavior of various substances in water.
What would happen if Ayesha put a puffed puri in a bowl of water? Would it sink or float?
It would float on water.
What would happen if you put a steel plate on water? Would it sink or float? What would happen to a spoon?
The steel plate would sink in water. The spoon would also sink.
Would the cap of a plastic bottle sink or float on water?
The cap of a plastic bottle would float on water.
Why does a wooden boat float in water but a needle sinks?
A wooden boat floats because it is less dense than water, while a needle sinks because it is denser than water.
Describe the behavior of aluminium foil when spread out and when pressed tightly into a ball in water.
Aluminium foil floats when spread out and sinks when pressed tightly into a ball. This may happen due to differences in shape and density of the foil.
Loading DIYs…
Loading Real-World Examples…