The majority of pupils are concerned about their grades. This is due to their habit of being spoon-fed and expecting everything to be delivered to them on a plate. However, in this situation, students must study a wide range of topics and disciplines while preparing for the Science Olympiad, which helps them to recognize the need of having good study habits as well as the reality that the school curriculum is not as comprehensive as they expected. This website offers information on the National Science Olympiad and Science Class 2 Chapter 7: Rocks, Air, and Water.
Science Class 2 Chapter 7: Air, Water and Rocks
The environment provides natural resources such as air and water. Rocks, on the other hand, are thought to be the foundation of a dynamic planet. In other terms, a rock is a complicated substance that helps to construct a mountain.
We’ll discuss about Air, Water, and Rocks with Class 2 pupils.
Air
We are surrounded by air, and we require it to survive. We can feel the air even though we cannot see it.
- If the air is moving, we call it a wind.
- A breeze is described as air moving slowly.
- Storms develop when the air moves quickly.
- Air may be used to dry clothing, fill balloons, fly a kite, and fill tubes, among other things.
Water
Water is an additional resource that humans, animals, as well as other living things require. It is essential for our survival and growth. The principal source of water is rain. It contaminates ponds, rivers, oceans, and seas, among other things. Water that seeps into the earth is referred to as underground water.
Tube wells as well as hand pumps provide easy access to the subsurface water. It, however, does not have a definite form. Furthermore, water covers 71% of the earth’s crust.
Rocks
A rock is indeed a solid material that has no chemical elements. It is made up of two or even more minerals. Quartzite, Travertine, Sandstone, Limestone, as well as other rocks are examples of rocks.
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