1. W ARM UP 02-27-14 Question: How do you calculate acceleration using our ramps? Answer: A = Vf – Vi / t (Speed B – Speed A) / time AB Goal: I will use the motion sensors to learn about change in speed.

2. E LEMENT OF THE DAY 66 – Dysprosium – Dy Dysprosium’s name comes from the Greek word that means “hard to get at” Dysprosium is a minor element in the alloy terfenol. It is also a minor element in neodymium magnets, and it is in certain light bulbs as dysprosium iodide, but there aren’t many primary uses for it.

3. E LEMENT OF THE DAY 67 – Holmium – Ho Holmium is used in MRI machines to strengthen and concentrate magnetic fields. Holmium is also used in laser surgery.

4. A GENDA / HW - Warm up - How fast am I moving? - Describing velocity - Tonight’s HW - Pg CC-DD - Ch 4 test Tuesday