Results

This YouTube video describes  what recurring decimals are, and how to write them as fractions.

This video explores what recurring decimals are and how to write them as fractions.

This YouTube video explains how river basins are formed.

Outcomes:

• Determine if a liquid is acidic, basic, or neutral
• Place acids or bases in relative order
• Describe on a molecular scale, with illustrations, how the water equilibrium varies with pH
• Determine concentration of hydroxide, hydronium and water at a given pH
• Relate liquid color to pH
• Predict (qualitatively and quantitatively) how dilution and volume will affect the pH and concentration of hydroxide, hydronium and water

Even though molecules, proteins, viruses, and cells are all tiny, there are significant size differences between them. The diameter of a water molecule is roughly 0.28 nanometers. The diameter of the protein hemoglobin is roughly 5 nanometers. The diameter of the HIV virus is roughly 120 nanometers. A red blood cell is 6-8 micrometers.

Skeletons support and protect our bodies. Bugs have exoskeletons outside their bodies, while humans have endoskeletons inside. Our bones are in axial (skull, ribcage, spine) and appendicular (arms, legs) groups. Bone marrow makes blood cells; more specifically, red marrow makes blood and yellow marrow stores fat. 

This is an online activity providing you with exercises in sorting decimals from least to greatest.

The phases of Meiosis.

This YouTube documentary highlights the ecological and socio-economic importance of the Tana River Basin in Kenya.

Defining and comparing tension, weight, friction and normal forces using free body diagrams.