tags: Earth day

tags: Earth day
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Cost of light bulbs (Updated)

Math and Social Studies Ratio and Proportion
With incandescent and halogen bulbs banned since 2023, students compare CFL, LED, and Smart LED bulbs, calculate energy use in kilowatt-hours, and determine which bulb is the better deal over time.&nb...

Earth Day Actions for Our Planet (April 22)

Algebra Number Sense Geometry Math and Science
 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...

Giant iceberg breaks off from Antarctica

Math and Science Current events Ratio and Proportion Data and probability
       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...

Giant iceberg

Number Sense Geometry Math and Science Ratio and Proportion Data and probability
    Ferryland, Newfoundland. JODY MARTIN / REUTERS  This giant iceberg drifted past Ferryland, Newfoundland in 2017.  It's hard to tell how large it actually is, but...

What's my angle?

Geometry Math and Science
 I'm going to help save the planet by adding solar panels to my roof!Should I tilt the panels on my roof to more accurately aim towards the Sun?If so, at what angle should I use?Should I be able ...

Cost of light bulbs

Algebra Number Sense Math and Science Math and Social Studies Ratio and Proportion Data and probability
 This activity has been updated (2026). See the new activity here:https://www.yummymath.com/post/light-bulb-cost-comparison/ There's a lot of misinformation out there about the cost to consu...

The Blue Marble

Geometry Math and Science Holidays and Annual Events
  April 22nd is Earth Day. Use this activity to demonstrate the various mappings of our 3-d Earth to a 2-d piece of paper. Students compare maps with this famous photo and check to see which...

Methane math

Algebra Number Sense Math and Science Math and Social Studies Math and Food
   Updated!  Carbon dioxide and methane are our two most prevalent human-contributed greenhouse gases.  This holstein cow is one of many huge contributors to our methane produ...
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