10 Million nematodes
Nematodes
Grubs are killing my grass. I don't want to put poison into the ground. What can I do?
There are tiny roundworms called beneficial nematodes. They can kill destructive so...
Math and Science
Genres
Grade
Pottytalk
I'm trying to be more savy about wasting our resources. I have really old fashioned toilets and I'm trying to figure out if I should invest in saving water. Can you help me?
For...
Figuring planting dates
It's time to get ready to plant my garden again. But here in Boston we have to start our seeds indoors to give them a head start before we can put plants outside. How should I fi...
Kilauea's lava flow
[caption id="attachment_15749" align="aligncenter" width="500"] Halema‘uma‘u Lights the Morning Sky - Photo taken from the overlook by the Volcano House on January 30, 2014 - NPS photo[/caption]
Th...
Ebola updated
Ebola has continued to gain strength and devastate regions of West Africa. WHO (World Health Organization) updates their data frequently and the progress and lack of control of...
Cost of light bulbs - updated!
Algebra
Number Sense
Math and Science
Math and Social Studies
Ratio and Proportion
Data and probability
There's a lot of misinformation out there about the cost to consumers of CFL and LED bulbs and the savings in energy and money that could be realized.
Let your students "do the math" and realiz...
My teacher says this stream is parabolic. Is he correct?
Instead of asking students to just believe what you've said, why not ask them to verify your assertions? Students plot the points of the stream, perhaps map them with an equation generated b...
Snow Days
Here is a picture from a recent snowfall at my house. How Much Snow Did I Get?
Have students make an estimate. Ask them for a guess that is probably a little to...
It sure is cold out ... or is it?
Students ponder the relationship between place latitudes and average January temperatures while they try to discover a correlation. Is this a linear or near linear relationship? … averaging, mis...
Cholera in Haiti
On January 12th of 2010, there was a tremendous, 7.0 magnitude, earthquake in Haiti. Hundreds of thousands of people were killed or injured and a million people became homeless. Then on November 5th...