Experimento

IRON DRINKING

Many elements of the periodic table are essential for the survival of people. Iron is a metal we need in small amounts and is present in many fruits.

Skills to be developed:Monitor, analyze and conclude based on evidence.

Purpose:

Check the presence of iron in some fruit juices

problems:

Iron is present in many breaths, but not so obvious

Research Question:How do you check the presence of iron in the fruit?
                                It darkens the color of fruit juice

|MATERIALS|
|3 tea bags natural. |¼ cup apple juice. |
|1 literof hot water. |1 bottle of clear glass. |
|¼ cup pineapple juice. |5 transparentplastic cups. |
|¼ cup green grape juice. |1 spoon. |
|¼ cup plumjuice. |2 napkins. |

procedure:

1) Make a thick solution of tea. To do this, place the three tea bagsin natural clear glass jar and fill with hot water. Let stand for one hour.

2) Place each type of juice into a clear glass different

3) Add 4 teaspoons at room temperature in each glass andstir. Dry the spoon to stir finish each type of juice.

4) Vessel left standing for 20 minutes without shake

5) Carefully lift each glass and watch your bottom line. Look for small dark particlesthat fall to the bottom of the container. Record your observations in the table.

6) Vessel left standing for two hours. Then carefully lift each one again to look dark particles in the background....