Activities for Tweens There are 141 items.

• New

  Earth's Magnetic Field

  Patrons learn about Earth's magnetic field and the animals that use magnetic homing (detecting patterns in Earth's magnetic field to find their way over long distances) by creating a "turtle" and a magnetic map of its habitat.
  
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  Age Group 

  • Family
  • Upper Elementary
  • Tweens (9-12)
  • Teens

  Time to Complete Activity 

  • 40 minutes to 1 hour

  Cost associated with Activity Materials 

  • $10-$20

  Difficulty Level (by content) 

  • Easy
• New

  Flood!

  Patrons learn about how different types of soil have different capacities for retaining water, and some can result in flooding problems, by testing three different soil samples (sand, potting soil, and clay)
  
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  Age Group 

  • Family
  • Upper Elementary
  • Tweens (9-12)
  • Teens

  Time to Complete Activity 

  • 10-20 minutes
  • 20-40 minutes
  • 40 minutes to 1 hour

  Cost associated with Activity Materials 

  • $10-$20

  Difficulty Level (by content) 

  • Easy
• New

  Fossil Formation

  Patrons discover how fossils are formed by creating their own fossils out of bread and gummy candy fish
  
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  Age Group 

  • Family
  • Upper Elementary
  • Tweens (9-12)

  Time to Complete Activity 

  • 20-40 minutes
  • 40 minutes to 1 hour
  • Long Duration (days to months)

  Cost associated with Activity Materials 

  • $10-$20

  Difficulty Level (by content) 

  • Easy
• New

  Freddy the Fish

  In this role playing activity, patrons learn about river habitats and the effects of pollution on river animals
  
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  Age Group 

  • Family
  • Upper Elementary
  • Tweens (9-12)

  Time to Complete Activity 

  • 20-40 minutes
  • 40 minutes to 1 hour

  Cost associated with Activity Materials 

  • $1-$5

  Difficulty Level (by content) 

  • Easy
• New

  Glacier Slide

  This activity demonstrates how glacial movement carves the landscape and leaves behind evidence such as moraines, erratics, and U-shaped valleys
  
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  Age Group 

  • Family
  • Upper Elementary
  • Tweens (9-12)
  • Teens

  Time to Complete Activity 

  • 40 minutes to 1 hour
  • 1-2 hours

  Cost associated with Activity Materials 

  • $0 ("found" items)

  Difficulty Level (by content) 

  • Medium
• New

  Anomaly Adventures: Through the Eyes of a Computer

  Patrons compare images to find the differences to learn about the process of "anomaly detection," and how scientists use this process to explore the Universe and study our own planet
  
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  Age Group 

  • Family
  • Early Elementary
  • Upper Elementary
  • Tweens (9-12)
  • Teens
  • Adults

  Time to Complete Activity 

  • 10-20 minutes
  • 20-40 minutes

  Cost associated with Activity Materials 

  • $0 ("found" items)

  Difficulty Level (by content) 

  • Medium
• New

  Space Forts: Exploring Computer Processing Systems

  Patrons learn about parallel and serial processing computer systems by racing the clock to build a fort with stackable blocks
  
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  Age Group 

  • Family
  • Early Elementary
  • Upper Elementary
  • Tweens (9-12)

  Time to Complete Activity 

  • 10-20 minutes
  • 20-40 minutes

  Cost associated with Activity Materials 

  • $10-$20

  Difficulty Level (by content) 

  • Medium
• New

  Smelly Balloons

  Explore scented balloons to discover how your nose can detect molecules too small to see.
  
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  How-to Video

  Age Group 

  • Family
  • Pre-K
  • Early Elementary
  • Upper Elementary
  • Tweens (9-12)
  • Teens
  • Adults

  Time to Complete Activity 

  • 10-20 minutes

  Cost associated with Activity Materials 

  • $5-$10

  Difficulty Level (by content) 

  • Medium
• New

  Rover Designs: Coding with Art

  Participants explore computer programming by "coding" one another to build space designs using uniform blocks, such as Keva Planks
  
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  Age Group 

  • Family
  • Upper Elementary
  • Tweens (9-12)
  • Teens

  Time to Complete Activity 

  • 40 minutes to 1 hour

  Cost associated with Activity Materials 

  • $10-$20

  Difficulty Level (by content) 

  • Rocket Scientist