Science Week 1 Term 3

Today for science we are doing work on water cycle bags.

THE WATER CYCLE EXPERIMENT

Bag 1: Normal Water cycle

Bag 2: Water cycle with CO2 added: like Oceans in climate change

Bag 3: Water cycle with ice added: like Antarctica in climate change

Material:

1. Water/soda water  
2.  bag
3.  food colouring
4. vivid
5. sand
6.  litmus paper

Steps:

1.  Get vivid and bag from teacher.
2. draw water cycle on bag and label it .
3. get one cup of soda water or water and put in water.
4. add two drops of food colouring.
5. in bag 2 put litmus paper.
6. hang bag up on the window.

Two Images:

Findings:

	The Water Cycle: Bag 1	CO2 Water Cycle: Bag 2 Acid	Desert Water Cycle Bag 3
Does it cycle?	Yes	Yes	YES!
Amount of Water	2	2	2!
Acidity	1	3	1

Key: Water and acidity amount: 1 = none 

2 = small 

3 = large 

Comments 

1.Bag 1 cycled 

2.Bag 1 had a small amount of cycle                       

3.Bag 1 had no acidity

4.Bag 2 cycled
5.Bag 2 had a small amount of cycle

6.Bag 2 had lots of acidity

7.Bag 3 cycled
8.Bag 3 had a small amount of cycle

9.Bag 3 had no acidity

Conclusion 

Bag 1 had a little bit of water and cycle and had no acidity. Bag 2 had a little bit of water and cycle and had lots of acidity. Bag 3 had a little bit of water and cycle and had no acidity. 

Definition of ACIDIFICATION: process of becoming acid

2 Pictures:

 how it affects the water cycle.   CORRODES CORAL AND SHELLFISH 

DEFORESTATION meaning: clearing trees

2 Pictures:

 how it affects the water cycle. People burn the wood and it turns into carbon dioxide

ICE CAP MELT Definition: Ice melts

Picture:

Diagram of how it affects the water cycle.

WATER VAPOUR Definition: EVAPORATED water

Picture:

Diagram of how it affects the water cycle.