Since Thursday class was such a disaster, I did not repeat it for today's class. Instead, students took out their guided note sheets and copied down the rest of the notes from the overhead. I explained things as we went.
Is mass the same as weight? NO! Mass is the amount of matter. It is a measure of the amount of inertia. Weight is the pull of gravity. An anvil in outer space is weightless, but it still has mass and still has inertia. It still could pack a wallop even though you could balance it on a finger tip.
After I finished, I put out the overheads and gave students the opportunity to copy down anything they had missed while the other students took a short break. During the break I handed out the Newton's 2nd Law worksheet and the supplemental activities for the 2nd Law Worksheet. I asked students to work on them at the same time since the supplemental activities helped them answer the questions for the worksheet.
I also told the students they would have a test on Newton's Laws next Thursday.
At first a couple of students really disrupted the class so I had them gather up their things and do the worksheets by themselves in another classroom. The rest of the class worked really well after those two left.
I collected both sheets at the end of the class.
Friday, December 12, 2008
Monday, December 8, 2008
Thursday, Dec 11, 2008 - Block 4A
Started by giving guided notes for Newton's 3 laws. Went over content objectives for Newton's 2nd Law and 3rd Law.
Explained the lab on rocket balloons. Students were to set up a string track across the room, blow up a balloon, attach pieces of straw to the balloon with Scotch tape, and then launch the balloon.
Students were to run trials with 25 pumps, 20, 15, 10, and 5, measure the distance, and plot distance vs number of pumps.
For part 2 of the lab, students were to repeat the lab, but this time keeping the number of pumps constant but taping pennies to the balloon. Students were to plot the distance vs number of pennies.
I demoed the lab and shot a balloon across the room. Students gathered kits with the string track, balloons, straws, and pennies. After 40 minutes, very few students had made a single successful launch. Students either didn't even try and just socialized, or had difficulties with the set-up. One of the pumps was defective and students seemed more intent on finding out how many pumps would cause the balloon to burst than in doing the lab. I called off the lab, discussed results I thought they might have gotten, and then showed the video on car crashes.
The class did not go well at all. Thought it would be fun but it just didn't work.
Informed students that there would be a test on Newton's Laws Wednesday of next week.
Explained the lab on rocket balloons. Students were to set up a string track across the room, blow up a balloon, attach pieces of straw to the balloon with Scotch tape, and then launch the balloon.
Students were to run trials with 25 pumps, 20, 15, 10, and 5, measure the distance, and plot distance vs number of pumps.
For part 2 of the lab, students were to repeat the lab, but this time keeping the number of pumps constant but taping pennies to the balloon. Students were to plot the distance vs number of pennies.
I demoed the lab and shot a balloon across the room. Students gathered kits with the string track, balloons, straws, and pennies. After 40 minutes, very few students had made a single successful launch. Students either didn't even try and just socialized, or had difficulties with the set-up. One of the pumps was defective and students seemed more intent on finding out how many pumps would cause the balloon to burst than in doing the lab. I called off the lab, discussed results I thought they might have gotten, and then showed the video on car crashes.
The class did not go well at all. Thought it would be fun but it just didn't work.
Informed students that there would be a test on Newton's Laws Wednesday of next week.
Wednesday, Dec 10, 2008 - Block 4B
Handed back and went over any questions on test.
Handed back reading assignment worksheets on Newton's Laws from Everyday Science Explained.
Go over worksheet.
1. Newton's First Law of Inertia - Law of Inertia.
2. What is meant by inertia?
Demo with railway tie and hammer.
Explain table cloth
Students try table cloth, pennies and quarters, Mr. Potato Head, Eggs
Demo with Intel Man and car.
Handed back reading assignment worksheets on Newton's Laws from Everyday Science Explained.
Go over worksheet.
1. Newton's First Law of Inertia - Law of Inertia.
2. What is meant by inertia?
Demo with railway tie and hammer.
Explain table cloth
Students try table cloth, pennies and quarters, Mr. Potato Head, Eggs
Demo with Intel Man and car.
Tuesday, Dec 9, 2008 - Block 4A
Handed back and went over any questions on test.
Handed back reading assignment worksheets on Newton's Laws from Everyday Science Explained.
Go over worksheet.
1. Newton's First Law of Inertia - Law of Inertia.
2. What is meant by inertia?
Demo with railway tie and hammer.
Explain table cloth
Students try table cloth, pennies and quarters, Mr. Potato Head, Eggs
Demo with Intel Man and car.
Handed back reading assignment worksheets on Newton's Laws from Everyday Science Explained.
Go over worksheet.
1. Newton's First Law of Inertia - Law of Inertia.
2. What is meant by inertia?
Demo with railway tie and hammer.
Explain table cloth
Students try table cloth, pennies and quarters, Mr. Potato Head, Eggs
Demo with Intel Man and car.
Monday, Dec 8, 2008 - Block 4B
Students took motion test.
When done, they handed in their test papers and picked up the reading assignment from Everyday Science Explained on Newton's 3 laws. They got books from the back of the classroom.
Students worked on the assignment individually until everyone was done with their tests. After that I allowed them to work quietly with another student.
Reading Assignment sheets were due by the end of the class.
When done, they handed in their test papers and picked up the reading assignment from Everyday Science Explained on Newton's 3 laws. They got books from the back of the classroom.
Students worked on the assignment individually until everyone was done with their tests. After that I allowed them to work quietly with another student.
Reading Assignment sheets were due by the end of the class.
Friday, December 5, 2008
Friday, Dec 5, 2008 - Block 4A
Students took motion test.
When done, they handed in their test papers and picked up the reading assignment from Everyday Science Explained on Newton's 3 laws. They got books from the back of the classroom.
Students worked on the assignment individually until everyone was done with their tests. After that I allowed them to work quietly with another student.
Reading Assignment sheets were due by the end of the class.
When done, they handed in their test papers and picked up the reading assignment from Everyday Science Explained on Newton's 3 laws. They got books from the back of the classroom.
Students worked on the assignment individually until everyone was done with their tests. After that I allowed them to work quietly with another student.
Reading Assignment sheets were due by the end of the class.
Thursday, December 4, 2008
Thursday, Dec 4, 2008 - Block 4B
Handed out Guided Note Packets for Chapter 8. Students copied from overhead through unbalanced forces.
Handed out review packet for test. Gave students most of the rest of the class to work on the packet. At the end of the class, went around class and wrote answers on board.
Test on Monday on motion and momentum.
Handed out review packet for test. Gave students most of the rest of the class to work on the packet. At the end of the class, went around class and wrote answers on board.
Test on Monday on motion and momentum.
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