This week we have learn how to calculate the density of an object.
To lern this we did two experiments: eventually all things fall into place and dense and light food.
- EVENTUALLY ALL THINGS FALL INTO PLACE.
METHODS
First we pour syrup, oil and alcohol in a beaker. Then we immerse a grape, a lentil, a cork, a fig, a peanut and a metal nut in the beaker to see in which layer each object fall. To take the objects out we use the tongs and we wrie the results and the conclusions in a paper.
CONCLUSIONS AND RESULTS
Oil is more dense than alcohol because it is in the middle, but is lighter than syrup, so syrup is in the bottom and it is the most dense. A peanut and a cork are lighter than alcohol becuse they float. A metal nut is more dense than syrup because it goes to the bottom. A grape, a lentil and a fig are more dense than oil but are lighter than syrup because they go to the bottom.
II. DENSE AND LIGHT FOODS
METHODS
solids -To calculate the determine mass we put the objects on the scale and we weight it. -To calculate the determine volume we fill up the cylinder jar of water and then, throw the objects inside. The quantity rises the volume.
liquids –To calculate the determine mass we weight the beaker and then we put the liquids and we weight again. Then we substract the both results. -To calculate the determine volume we fill up the cylinder jar of water and then, throw the objects inside. The quantity rises the volume.
gas -To calculate the determine mass we put it in a container and then we weight it. -To calculate the determine volume we have to know the volume of its container, because the volume of gas is the volume of its container.
THE DENSITY To calculate the density of a matter we take the results and divide the mass by the volume.
CONCLUSIONS AND RESULTS
In solids the moleculas have strong bonds so they have more matter in less space.
Blanca Lamolla Seró
