'Medium size particles' diaporamas de présentation

391 views • 27 slides

361 views • 27 slides

Soil and the Ecosystem

Soil and the Ecosystem. Why is soil important?. Soil determines which plants can grow in an area. Plants are the foundation of the food chain and determines what other animals can live in an area Gives us our minerals. What is soil?.

429 views • 14 slides

Colloids

Colloids. Solutions. Have small particles (ions or molecules) Are transparent Do not separate Cannot be filtered Do not scatter light. Colloids. Have medium size particles Cannot be filtered Separated with semipermeable membranes Scatter light (Tyndall effect). Colloids.

530 views • 10 slides