1. Lesson 1: Water Observations
Chapter 2
Lesson 1: Water Observations
5th Grade Science

2. Activity – Water Percentage
Question – How much of the Earth is Salt Water
Hypothesis –
Supplies – 2 x 100ml cup large syringe eyedropper
Procedure –
Conclusion –

3. What are Water Ecosystems? P.3
¾ of the Earth’s surface is covered by water!
97% of Earth’s water is salty ocean water
Water depth file

5. Surface Tension
Water is made up of tiny particles that are attracted to each other
Surface Tension – Where water meets the air and the particles attract very strongly

6. Activity – Surface Tension
Question – How many drops of water can you place on a penny before it overflows?
Hypothesis –
Supplies – penny eyedropper
Procedure –
Conclusion –
Drops