Hey Soon to be Teenagers... Time to Rethink Geek.... He's Changing the World!

Thanks, Derek! Check this out everyone....

Derek shared this video with me and I thought it was spectacular. Imagine being able to convert salt water into fresh water without using the enormous amount of energy needed today.  Thanks for sharing, Derek!

Elodea Lab

From the cell webquest and the onion and cheek cell labs you've learned a few fundamental differences between plant and animal cells. Both plant and animal cells have a cell membrane, but only the plant cell also has a cell wall. In the elodea lab you can clearly see the structure and function of each. The process you will see is called plasmolysis - you'll do some further reading on it in the lab. Plasmolysis in action!

Lab Part Three:

Upload the video to your blog

Go to this link and click on the diffusion/osmosis basic principal. Read about diffusion and osmosis.

Then click on the plasmolysis animation.  Watch the animation carefully. On your video blog post, explain what happened, using the following questions as a guide.

1. What happens to the cells as the salt water flows under the cover slip?

2. Why does this happen?

3.    Why didn’t the outer boundary of the cell collapse?

4. Why do plants wilt when there is not enough water?

Water Project Reflection

FIELD TRIP REMINDERS

SCROLL through the slideshow for our field trip reminders.  Do NOT forget a water bottle!!  If you need a reminder of your group and bus number - click here

2014 sungei reminder powerpoint from sinnes

SUNGEI BULOH SIGN UPS

Click on the image to sign up for your hike of choice

WEBQUEST

Today in class we're going to be 'questing' for information about cells.

Click on the cell picture to take you to the quest.  MAKE A COPY  of the document and put it in the dropbox before you begin. Fill out the document as you go along.

TAKE A BREAK - SUPER COOL RAT TRICKS!

Thanks Mr. Olsen - super cool HS science teacher - for sharing this video!