Flowers

From http://www.peakdistrict-nationalpark.info/place/haymeadows/flowers.html

Which type of flower has experiences the greatest percentage loss?

Which type has experienced the lowest percentage loss?

Which type of flower is most common?

Another Supernova

From http://www.astro.princeton.edu/~clark/SNBkgd.html

Compare this supernova light curve to yesterday's. What similarities and differences do you notice?

Come up with some ideas to explain any differences?

Supernova Light Curve

From http://lcogt.net/en/education/activity/plotting-supernova-light-curves

At time 1, what was the magnitude of the supernova?

At what time is the peak of the supernova.

Magnitude is inversely related to brightness (for example magnitude 15 is brighter than magnitude 18). What is the maximum brightness of this supernova?

Ice in the Arctic

 From http://news.bbc.co.uk/2/hi/science/nature/7303385.stm

In February of 1985 what percentage of ice in the arctic was 6 or more years old?

In February of 2007 what percentage of ice in the arctic was 6 or more years old?

In February of 1985 what percentage of ice in the arctic was less than a year old?

In February of 2007 what percentage of ice in the arctic was less than a year old?

What do you think this change means?

Learning Retention

From http://www.outdoorclassroom.org/train.htm

What method leads to the highest learning retention?

Which method is least effective?

How much do people remember from discussion groups?

Returning to College

From http://www.aicuo.edu/Graphs%20-%20Comparison%20with%20publics.html

Are students more likely to return to an independent or public college?

In what years were there increases in student retention?

Teacher Retention

From http://www.tsbvi.edu/Outreach/course/chapter1/section3.1.html

What percentage of teachers keep teaching after 1 year? After 5?

What percentage have left after 3 years?