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December 21, 2020 - Great conjunction

Algebra Number Sense Geometry Science Current events
Right now, just after sunset, in the southwest sky, you can check out the planets of Jupiter and Saturn as they get closer and closer to each other. They are millions of miles apart but they app...

How much water should you be drinking?

Algebra Science Food Ratio and Proportion
 As we are outdoors more and temperatures are rising, it might be a good time to look at hydration. A healthy requirement for fluids can't really be the same for everyone.  Surely the amount...

More eruptions on Hawai'i's Kilauea

Algebra Geometry Science Current events Ratio and Proportion
The Volcano Kilauea is continuing to spew molten lava and ash on the island of Hawai'i. This volcano is on the tip of the southern most Hawaiian Island. Is that significant? In this activit...

Giant iceberg breaks off from Antarctica

Science Current events Ratio and Proportion Probability and Statistics
       The crack in Antarctica's Larson C ice shelf has been growing for years (2017).  Has the speed of the rift's growth stayed about the same? increased? dec...

Saving Water Bottles

Algebra Science Social Studies
In my grocery store they now have these new water bottle refilling stations. You can simply refill your own container with water instead of buying a six-pack of bottled water....

Measuring sea level

Algebra Number Sense Geometry Science Ratio and Proportion Probability and Statistics
What does this gizmo do? We've given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose must be. Then we've...

Pottytalk

Algebra Number Sense Science
  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...

Kilauea's lava flow

Number Sense Geometry Science
[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] The v...

It sure is cold out ... or is it?

Algebra Number Sense Science Probability and Statistics
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...

Parabolic Pee

Algebra Science
Mr. Mark's new little baby can make some amazingly tall streams.   Give your class a little chuckle as you introduce them to parabolic motion with this very short analysis of Mr. Mark's baby's...
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