2 more videos

Here are two more videos for you to consider.
The Story of Stuff asks you to think a bit more about the effects of your actions upon the earth and its ecosystems, both direct and indirect.



Severn Suzuki is the daughter of David Suzuki. When she was 12 years old she spoke at the 1992 UN Climate Change conference about making changes.

Food chains and webs links

Food Chains

Food Webs

4 x 100 Relay Videos

Here's some videos showing the 4x100 relay.
For the last one you can fast forward to about 2:20 for the race.

This week's POTW

Give it a try

This week's POTW

Here it is.

Subtracting Fractions

Try out this activity to practice subtracting fractions.

POTW

Here's this week's problem. Do you remember what a prime number is?