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Why do some objects feel colder when in reality they are the same temperature?

In this video pedestrians in a park are asked why a hard drive and a book sitting at the same temperature have a different temperature feel to them.  The hard drive feels colder than the book.  He then takes an aluminum plate and a plastic plate to see which plate melts ice quickly.  Even though the aluminum plate feels colder, it melts the ice quickly.  This is a good experiment to try with your students.

Be Proud of your Name with Fractions

I use this elementary math activity to reinforce the concept of fractions of items.  In this case, the items or objects are the letters in their name.  First students will write their first and last names inside a decorative border.  Next, they count how many letters total, how many vowels and consonants their names contain, and how many letters are the same as the first letter in their names. They will then create fractions based on their answers. This is also an activity to subtly or not so subtly build self-esteem.

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