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# The material world

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• Añadir fotos.
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• Poner fotos!!!!
• Imágenes OJO Y MICROSCOPIO
• IMAGEN, PLANTA Y CELULA
• ### The material world

1. 1. The Material World 2˚ ESO BIL Science Presentation by Liannette Bellido October 2010
2. 2. Matter • Matter is anything that occupies space and can be measured. Examples: water, rocks, animals, and plants.
3. 3. TRUE OR FALSE? Everything around us is made of matter. TRUE
4. 4. Properties of matter • Matter has three properties: •DIMENSION •INERTIA •GRAVITATION
5. 5. Properties of matter • Matter has dimensions, that means that two pieces of matter cannot occupy the same space. Example: Two persons cannot sit in the same chair.
6. 6. • Intertia is the resistance of mass to a change in its state of motion. • Inertia is the way in which we measure mass. If a body has double the mass of another, it has double the inertia too. For example: The Inertia of a car is BIGGER than that of a shopping cart because the car has more mass. Properties of matter
7. 7. Wich one is easier to move? A shopping cart A car The Inertia of a shopping cart is smaller than that of a car.
8. 8. • Gravitation is the attraction between two objects. • Is the force responsible of the fall of objects, the movements of planets, and the existance of tides. Properties of matter
9. 9. • Gravitation is another way in which we measure mass. For example: the mass of Jupiter is 310 times BIGGER than the mass of Earth.That means that Jupiter has more gravitation than Earth.
10. 10. • Mass is related to the amount of matter. • Can be measured according to the inertia and gravity of the matter. • The Mass of an object remains the same always at any place. • Weight is the force which a given mass feels due to gravitation. Mass and Weight are NOT the same! All About Mass
11. 11. If you go to the Moon, what changes? Your weight or your mass? The mass always stays the same. Your weight changes!
12. 12. • Density is the relationship between the mass and volume of a body. • Density= Mass/Volume All About Density A body can be BIG but have less mass. A body can be small but have more mass.
13. 13. Bodies and systems of matter • The objects that surround us and have definite limits are called bodies of matter. Example: A rock. • Things with limits that are not precise are called systems of matter Example: A forest.
14. 14. Wich object has definite limits? Wich object has limits that are not precise? A tennis ball has definite limits. That means that it is a body of matter. A beach has limits that are not precise. That means that it is a system of matter.
15. 15. Observing the material word • There are two scales in wich the material world is observe. – Macroscopic observation: Can be percieved by our senses without the help of instruments. – Microscopic observation: Cannot be percived by our senses without the help of instruments.
16. 16. Wich one is Macroscopic? Wich one is Microscopic? Macroscopic Microscopic A plant A cell
17. 17. Matter has present originates Dimensions Inertia Gravitation depends on Mass characterized by Volume are related by Density