A Parametric Heart
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In this updated activity, students will explore parametric equations to graph a heart shape using sine and cosine functions. Begin with the starter activity to set the stage (o...
Geometry
Genres
Grade
It's almost summer now
How much water do you have to drink? In this activity student develop formulas for calculating their water needs, learn about the effects of too lit...
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 that...
Autumnal Equinox 2023
Updated for 2023!
Saturday, September 23, 2023 at 06:50 UTC (2:50 am EST),
will be the Autumnal Equinox. It is the time of year when an imaginary plane would pass through both the Earth...
Throwing Up
This year, Buffalo, New York, has had more than 100 inches of snow this winter. We imagine that the height of the tunnel to people's homes is getting pretty high. It's hard to shovel new snow wh...
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 our ...
What can you tell about a snowflake?
As a snowflake falls from the sky, its crystal grows according to the humidity and temperatures of the air that it passes through. In this activity, students interpret a graphic that clari...
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 outside. Let them combine what they ...
Tree for Springtime
Here in the Northeast, flowers are blooming and trees are leafing out.
We thought the creation of a tree that grows before your eyes might be akin to what is going on all around us.
What d...
December 21, 2020 - Great conjunction
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...