Experiment 4
Do You Have a Leaky Toilet?

Topic: Water Conservation
Grades: K-3
Subjects: Science in Personal and Social Perspectives

Question: Is your toilet wasting water?

Materials: 

• a grown up helper

• food coloring 

• a toilet

Procedure:

1. Have a grown up help you take the lid off the toilet tank.

2. Put about 10 drops of red food coloring into the tank.

3. Wait 15 minutes.

4. Check the toilet bowl for and red coloring.

*make sure no one uses the toilet while you are doing this experiment

Conclusion: 

1. If the water in the toilet bowl is red how did it get red?

2. That's right; you have a leak. Tell your grown up helper that you have a leak.

Note: If your toilet is broken and runs all the time it can waste 50 gallons of water a day without even flushing.