Hexadecimal coloring
Probably most of us have heard of and even used hexadecimal color codes. Don't you wonder why their number descriptions really make sense?
In this activity we first ask students to color in o...
Math and Science
Genres
Grade
Extreme weather 2020
Because of climate change, we've been having too many extreme weather events. There have been unusual droughts and heat in the West, an increased number of hurricanes, severe flooding, and high ...
How much water should you be drinking?
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 ...
Gonna be a Leap Year
By George C. Baxley
This year we will add the 29th of February to our year? Why do we do that? How can you tell? What if we didn't add a day every 4 years?
Stud...
Can this possibly be True?
Could this possibly be true? What is reasonable? How do you check? Do you believe everything that you hear or read? Do you fact-check?
While considering the veracity of this statement s...
Temperature change (Discussion Prompts)
Note: This is not intended as a comprehensive activity with solutions. Instead, it serves as a discussion prompt. Have fun!
It's been a crazy winter of extremes through much o...
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...
Cicada swarmaggedon
Most of the life cycle of the Magicicada Septendecim is spent underground. Then at 17 year intervals, these cicadas emerge from the ground, climb deciduous trees, molt into a...
Cruising
There have been a lot of cruise ship mishaps and disasters this year. While these are in the news, let your students consider how these floating cities manage their resources and which of their need...
Happy 14th B'ak'tun!
Luckily, we’ve passed 12/21/2012 and the world is still here and we’ve made it into the start of the next Mayan calendar cycle ... the next B’ak’tun.
The ancient Mayans had an interesting...