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

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

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

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

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