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Winter Solstice 2023
Winter Solstice 2023

It is really dark out now. Why is that? Students appreciate how their latitude effects the darkness of their late afternoon location as they study the earth's tilt...

Number Sense Geometry 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 4–HS
Total lunar eclipse
Total lunar eclipse

On the morning of November 8, 2022, many of us will be able to see the last full lunar eclipse until March 2025. Luckily, many of us will...

Geometry Math and Science Grades 3–HS
Inflation and the cost of gasoline
Inflation and the cost of gasoline

In 1980, one gallon of gasoline costs $1.22. Today's prices are a lot higher. Is that because the price has gone up or because in 1980 you could...

Algebra Number Sense Grades 4–6
Do teams that spend a lot win a lot?
Do teams that spend a lot win a lot?

In this activity students compare team wins with team salaries in the four major North American sports ... the NBA, NFL, MLB and NHL. Students use data from...

Algebra Number Sense Grades 5–HS
Hurricanes, Typhoons, and Cyclones
Hurricanes, Typhoons, and Cyclones

Graphic from http://lagoon-inside.com [ This week Hurricane Fiona caused major damage to Puerto Rico, the Dominican Republic and the Caribbean, This is the season for increased cyclonic activity...

Algebra Number Sense Grades 6–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 5–HS
What is Artemis 1 and when will it launch?
What is Artemis 1 and when will it launch?

Credit: (NASA/Joel Kowsky) 50 years ago we landed on the moon. We've established a space station and flown astronauts and guests to live there. Private industries have created...

Number Sense Geometry Grades 4–HS
Hexadecimal coloring
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...

Number Sense Geometry Grades 4–HS
Gauss and our star of stars
Gauss and our star of stars

How many stars are in this image and how did you count them? For Adventurer members we have a teaching suggestions and our solution sheet.

Number Sense Geometry Grades 2–6
Why isn't the World Cup happening now?
Why isn't the World Cup happening now?

The World Cup Finals is only played every 4 years but isn't it always in June? The World Cup Finals 2022 will be played in Qatar from November...

Algebra Number Sense Grades 5–HS
The odds of horse race betting
The odds of horse race betting

Rich Strike surprised everyone at the Kentucky Derby horse race in early May by moving from 18 th place at the half-way mark (out of 20 horses) to...

Algebra Number Sense Grades 4–HS