Week 11

 Lab: Looking at sand through a microscope

(Excused absence from class)

Archimedes Law: W(air)/(W(air)-W(water))

1. Sand in water

Characteristics:

- Colors: Brown, Green, White, and Clear

- Size: Varying sizes

- Appearance: Shiny

2. Dessert

- Colors: Pink, Tan, Gray, White, and Orange

- Size: Similar Size

Appearance: Very nice to look at! Looks like Himalayan Salt

3. Volcano

- Colors: Brown and Black

- Size: Most are about the same size some pieces are bigger than others

- Appearance: Pieces reflect the light

4. Beach Sand

- Colors: White, Pink, and Clear

- Size: Different sizes

- Appearance: Sizes vary

5. Hawaii Sand

- Colors: Clear, White, Black, Brown, and Green

- Size: Sizes vary

- Appearance: Speckled

6. Sand with Rock in it

- Color: Orange, Pink, and White

- Size: Similar Sizes

- Appearance: Very textured and round. The rock looks like many sand pieces smashed together

Characteristics of Sand:

Sand and water- polished, smooth, and similar size

Sand and glaciers- polished, smooth, irregular size

Sand and wind- opaque, frosted, pitted, and fine grained