Test if your sense of smell is as strong as a shark´s

 Materials:

• 3 large drinking glasses
• measuring cup
• water
• perfume (essential oils, such as lavender, work well also)
• marker

Procedure:

1. Label the glasses 

2. Fill the glasses with 2 cups of water.

3. In the glass marked ¨10 drops¨place 10 drops of perfume.  Repeat with the other glasses (5 drops and 1 drop).

4. Swirl them around to mix the water and the perfume.

5. Now smell each glass.

Analysis:

Which has the strongest smell?