Today in class, students were asked to draw a force diagram for the drawing shown on the right. The drawing shows a block on a ramp with a “wall” holding it back. The question that...

A recent discussion on the NSTA physics teacher list, the question of “order of operations” came up. In math, the order of operations defines which operations (addition, subtraction, multiplication, etc.) one performs first. A writer...

After a couple of hand-graphs, my students use their TI 83/84 calculator for graphing. We set the calculators so they give an “R squared” correlation, which we often use to help determine which regression type...

In my physical science class this week, I realized the textbook was introducing the structure of the atom and positive and negative charges, but not answering addressing the clear question that follows the presented information...

This weekend, while attending a Model United Nations convention with my MUN students, I got to talking with a few colleagues and discussing how people become teachers. Here are the basic steps to becoming certified...

The second draft of the Next Generation Science Standards were released this week. You can find them all here: www.nextgenscience.org/next-generation-science-standards You can search them here: www.nextgenscience.org/search-standards-dci I have exported pages containing all DCI Arranged Standards...

Last week I posted a survey of online grading practices. I announced the survey through several email lists I participate in [1], as well as on my Facebook “wall”. The survey was open for five...

If you teach at a middle school or high school, please take a couple minutes to answer this survey. I will post results here in mid-December 2012. (Apologies for the multiple scroll bars.) I’ve reached...

Grading tends to be the biggest time consuming task for teachers. For those teachers who want students to complete lab write-ups that truly reflect discover and learning, providing feedback on labs can be an even...

Watch the following video, the try to answer the questions below it: What is happening to the truck and the carts when the carts start following off the truck? What causes the carts to fall...