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How much pee is in your pool (Updated)
How much pee is in your pool (Updated)

How much pee is in your pool? 🏊🏊 After chlorination, it has been hard to measure the quantity of pollutants in pool water. A Canadian chemist, Xing-Fang Li,...

Number Sense Geometry Grades 4–7
Earth Day Actions for Our Planet (April 22)
Earth Day Actions for Our Planet (April 22)

We have 16 activities that you could use for Earth Day! April 22nd is Earth Day. Help your students become activists for our planet? We have 16 activities...

Algebra Number Sense Grades 5–HS
Monarch's are flying south again
Monarch's are flying south again

In mid-August and early September, the Monarch butterflies begin their annual migration south to more moderate climates to hibernate and overwinter. It is an incredibly long migration and...

Algebra Math and Science Grades 4–HS
What do you know about the Hawaiian islands?
What do you know about the Hawaiian islands?

We’ve been watching news about the extreme wild fires, draught and winds that have devastated parts of the Hawaiian Islands. Let your students explore Hawaii and better understand...

Algebra Number Sense Grades 4–8
Wildfires and particulate matter
Wildfires and particulate matter

Wildfires in Canada have been spreading dangerous smoke pollution throughout much of North America. What is a dangerous size of particles per cubic meter (PM)? How tiny is...

Algebra Number Sense Grades 5–HS
Summer Solstice, the longest day
Summer Solstice, the longest day

Sunrise on the summer solstice at Stonehenge June 21st, at 10:57 am EDT, the Earth's North Pole will be tilted as far towards the Sun as it will...

Algebra Science Grades 6–HS
What is an atmospheric river(AR)?
What is an atmospheric river(AR)?

North America from space. Elements furnished by NASA - https://www.noaa.gov/stories/what-are-atmospheric-rivers How are they ranked? Students become familiar with this weather phenomena and learn how the different ARs are...

Algebra Math and Science Grades 5–HS
Wind chill
Wind chill

The weather forecasters tell us what the wind chill temperature will feel like. How do they figure out that number? In this activity students use the National Weather...

Algebra Number Sense Grades 5–HS
How much caffeine are you consuming?
How much caffeine are you consuming?

Did you know that there is an amount of caffeine that is too much for the growing brain of a teenager? We did some research and have asked...

Algebra Number Sense Grades 6–HS
Death Valley, CA - How hot was it?
Death Valley, CA - How hot was it?

This picture may have been Photoshopped and not be a true representation. We blacked out the Fahrenheit reading of this temperature sign at the Death Valley Visitor Center....

Algebra Number Sense Grades 6–HS
Steepness and fall hiking
Steepness and fall hiking

Fall is a beautiful time of year for hiking. Many students will be walking in the woods and mountains to enjoy the colorful leaves and the cool weather...

Algebra Number Sense Grades 7–HS
The new R-naught number
The new R-naught number

There's a number used to quantify how fast a virus will spread, the R-naught number. As the coronavirus spread though out the world, we saw how the threat...

Algebra Number Sense Grades 5–HS