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VR Tour For Std. 5 Ch. 7: Experiments with Water

What's Included in Virtual tour of this chapter

This chapter will guide us on what kind of substances float or sink in water. Heavy things sink in water while light things float on the surface of the water. Further in the chapter, we will understand what’s heavier water or humans? Well, you must be wondering that the answer is obvious, Humans are of course heavier. But you are wrong. You will discover the reason how humans can float on the surface of the water in Virtual tour 2. We will also learn about the substances which can be dissolved in water and which do not dissolve. Dissolving means when two substances get properly mixed in water whether solid or liquid.

Virtual tour 1 A concept about- What floats, what sinks

Virtual tour 1: A concept about- What floats, what sinks?

Today we will visit a bank of the river to understand which substances sink or float on the surface of the water. We love throwing pebbles in the water whenever we are at the riverside or lakeside. But, after throwing the pebble you cannot see it on the surface of the water. This is because the stone is heavier than water means it is more dense. Similarly, if you throw a lightweight substance i.e less dense than water, it will float.

Virtual tour 2 Dead sea

Virtual tour 2: Dead sea

We will learn about how humans can float on the surface of the water in the Dead Sea. Is that so strange? Today, in this virtual tour we will discover the reason for the same. Whenever water is heavier than the object, the object floats on the surface of the water. We will get more clarity in the concept with an experiment of salt, water, and lemon.

Virtual tour 3 Water Solubility

Virtual tour 3: Water Solubility

We will identify the soluble substance and the insoluble substance. Substances that can be dissolved in water are called soluble substances. The substances that can’t be dissolved in the water are called Insoluble substances. We will learn the same concept while performing an experiment with salt, sand, chalk powder, and oil.