Elementary science unit plan - Essay Example

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Elementary science unit plan

displaced or pushed aside by an article weigh up more as compared to the object or article itself, the water is capable of holding the object up on its surface. The object floats.
5. Explain with an example, take an aluminum foil and make a boat. Float this boat on the surface of water. It pushes greater amount of water because of its large surface area and therefore the aluminum boat floats. At the same time explain displacement of water by the aluminum boat.
6. Explain the fundamental of surface area of the foil. Now crumple the foil to reduce the surface area. When this crumpled aluminum ball is placed in water it displaces less water as compared to its weight and therefore the crumpled aluminum ball sinks.
The main objective is to make the students understand that matter is made up of molecules. Generalization and representational aspects enable students to communicate scientifically with their immediate environment and relate objects which can float and which cannot float.
5. Explain the concept that when boat and other objects which float, are placed in water they push aside enough water to generate a force that keeps the objects on the surface of water and thus the objects such as boats float.
10. Explain the concept why things float? Perform a simple experiment with the help of saltwater or fresh water to explain which is more buoyant? In any way, addition of salt in water affects the buoyancy of water? This could be performed by taking two containers, one with normal water (label as Normal Water) and other with salt water (Label as Salt Water). Place one-one egg in each of the containers.
11. Ask the students to observe carefully. Explain the fundamental that by adding salt the density of water increased. Salt water is denser as compared to the normal water. As soon as eggs are placed in the jars containing normal water and salt water, the egg in the normal water sinks while egg in the saline water floats. This is because of the density of water. ...Show more

Summary

Standard 1 science from mathematics, science and technology empowers students to be acquainted with and apply scientific fundamentals, concepts and theories pertaining to the physical setting and living environment and identify the historical development of ideas in…
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Elementary science unit plan essay example
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