Monday, March 17, 2008

7th Grade links for Activity Worksheet

7-1, use the following links to help you with the completion of the "museum visit" side of the worksheet. We are obviously not able to visit an actual museum today; however, the sites listed below will act as a virtual class trip. You are also free to explore other websites outside of the ones listed below. If you have questions, carefully re-read the instructions or ask a classmate for assistance. If you still have questions then ask the teacher. I will see you all Wednesday, Good Luck!
Mr. Z

Santa Barbara Museum of Natural History

Discover Life


Zoobooks Virtual Zoo

Classifying Life

The Open Door


If you have completed the worksheets then feel free to explore the following games!

Classification Matching Game

Memory matching game

Classification Bricks

Millionaire Game

8th Grade Webquest Electricity & Magnetism 3/18/08

Click here for web activity.

The answers can be recorded in a word document or on a separate sheet of paper.

Also do not forget that there are two assignments due tomorrow. The sketches and the reading assignment, which is on the board.

Be good.

Tuesday, March 11, 2008

The Electromagnet Webquest (Chapter 22)

Background Information
An electromagnet is a strong temporary magnet made by inserting an iron core into a wire coil and passing an electric current through the wire.

1. Go to: How Stuff Works

Study the content on the page and answer the following questions.

What is the basic idea behind an electromagnet?

What sort of things can you create with electromagnets?


2. Click Here , for the next page and answer the following questions.

What is the fundamental law of all magnets?

Compare and contrast a normal magnet and an electromagnet.


3. Click Here for the next page and answer the following questions.

An electromagnet starts with a _________________ (or some other

source of power) and a wire. What a battery produces is


Explain how an electron flows in an electromagnet.

What is the basis of an electromagnet?


4. Click Here for the next page and answer the following question.

Explain why the compass needle swings away from the north when placed near an electromagnet. What is affecting the compass?

Click Here for the next page and answer the following question.

Hypothesize how you can increase the magnetic field of an electromagnet. Explain why this method works.


5. Go to: Fossweb

Follow the links for electricity and magnetism until you get to the electromagnet game.

Read the instructions then start the game!

Fill in the following blanks with the values that enabled your magnet to lift all 75 shavings.

Wire Gauge___________ Wire Type___________ #of Winds_________

Power Supply: AC or DC #of Volts ___________

On a separate sheet of paper, invent a device that would make life easier and uses at least one electromagnet. Please include a labeled diagram and an explanation of your device.


Just for Fun!

Magnetism Flash Game

Magnetism II

Sunday, March 2, 2008

7th and 8th Grade Science Fair

Due Dates

Group / Project selection - 3/12

Project update (journal with observations, findings, and data) - 3/24

Science fair - 4/8

Science Fair Resources

Elmer's Science Fair Central

All Science Fair Projects

The Homework Spot

PBS - Dragonfly TV